[JitDiff X64] [EgorBo] Remove more write-barriers

[MihuBot]

Job completed in 2 minutes 18 seconds (remote runner delay: 0 seconds).

Using arguments: -NoPRLink
Main commit: dotnet/runtime@8752339
PR commit: dotnet/runtime@ce67305

Diffs

Diffs

Found 106 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 46282464
Total bytes of diff: 46281610
Total bytes of delta: -854 (-0.00 % of base)
Total relative delta: -9.07
    diff is an improvement.
    relative diff is an improvement.


Top file regressions (bytes):
          24 : System.Memory.dasm (0.01 % of base)
           8 : System.Collections.Immutable.dasm (0.00 % of base)
           4 : System.Web.HttpUtility.dasm (0.02 % of base)
           1 : System.Security.Cryptography.Pkcs.dasm (0.00 % of base)

Top file improvements (bytes):
        -528 : System.Numerics.Tensors.dasm (-0.04 % of base)
        -193 : System.Net.Http.dasm (-0.02 % of base)
         -56 : System.Security.Cryptography.dasm (-0.00 % of base)
         -24 : System.Diagnostics.DiagnosticSource.dasm (-0.01 % of base)
         -21 : System.Private.CoreLib.dasm (-0.00 % of base)
         -17 : System.Net.Security.dasm (-0.01 % of base)
         -12 : System.Text.Json.dasm (-0.00 % of base)
         -12 : Microsoft.Extensions.Logging.dasm (-0.03 % of base)
         -11 : ILCompiler.Reflection.ReadyToRun.dasm (-0.00 % of base)
          -9 : System.Text.RegularExpressions.dasm (-0.00 % of base)
          -8 : System.Transactions.Local.dasm (-0.01 % of base)

15 total files with Code Size differences (11 improved, 4 regressed), 245 unchanged.

Top method regressions (bytes):
           6 (0.99 % of base) : System.Private.CoreLib.dasm - System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool (FullOpts)
           4 (0.82 % of base) : System.Web.HttpUtility.dasm - System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
           2 (0.33 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[byte](byref,byte):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.32 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[double](byref,double):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.34 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[int](byref,int):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.34 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[long](byref,long):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.32 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[short](byref,short):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.33 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[System.Numerics.Vector`1[float]](byref,System.Numerics.Vector`1[float]):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[byte](byref,byte):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.23 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[double](byref,double):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[int](byref,int):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[long](byref,long):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.21 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[short](byref,short):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[System.Numerics.Vector`1[float]](byref,System.Numerics.Vector`1[float]):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this (FullOpts)
           2 (0.42 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[double,System.Nullable`1[int]]:Remove(double,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[double,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[double,System.Nullable`1[int]]:this (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[int,System.Nullable`1[int]]:Remove(int,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[int,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[int,System.Nullable`1[int]]:this (FullOpts)
           2 (0.43 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[long,System.Nullable`1[int]]:Remove(long,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[long,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[long,System.Nullable`1[int]]:this (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[short,System.Nullable`1[int]]:Remove(short,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[short,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[short,System.Nullable`1[int]]:this (FullOpts)
           2 (0.35 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Nullable`1[int]]:Remove(System.__Canon,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           2 (0.39 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Nullable`1[int],System.Nullable`1[int]]:Remove(System.Nullable`1[int],System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.Nullable`1[int],System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Nullable`1[int],System.Nullable`1[int]]:this (FullOpts)
           2 (0.46 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.Numerics.Vector`1[float]]:Remove(System.Numerics.Vector`1[float],System.Collections.Generic.IEqualityComparer`1[System.Numerics.Vector`1[float]],byref):System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.Numerics.Vector`1[float]]:this (FullOpts)
           2 (0.51 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampTokenInfo:GetTimestampAuthorityName():System.Nullable`1[System.ReadOnlyMemory`1[byte]]:this (FullOpts)
           2 (0.89 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonObject:FindValue(System.Text.Json.Nodes.JsonNode):System.Nullable`1[System.Collections.Generic.KeyValuePair`2[System.String,System.Text.Json.Nodes.JsonNode]]:this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:GetNextSpan():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:GetNextSpan():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:GetNextSpan():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:GetNextSpan():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:GetNextSpan():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:AdvanceToEnd():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:GetNextSpan():this (FullOpts)
           1 (5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(byte):this (FullOpts)
           1 (5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(int):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[byte,long]:FromManaged(System.ReadOnlySpan`1[byte],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[double,long]:FromManaged(System.ReadOnlySpan`1[double],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[int,long]:FromManaged(System.ReadOnlySpan`1[int],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[long,long]:FromManaged(System.ReadOnlySpan`1[long],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[short,long]:FromManaged(System.ReadOnlySpan`1[short],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,long]:FromManaged(System.ReadOnlySpan`1[System.__Canon],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,nint]:FromManaged(System.ReadOnlySpan`1[System.__Canon],System.Span`1[nint]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.Nullable`1[int],long]:FromManaged(System.ReadOnlySpan`1[System.Nullable`1[int]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.Numerics.Vector`1[float],long]:FromManaged(System.ReadOnlySpan`1[System.Numerics.Vector`1[float]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[byte,long]:FromManaged(System.Span`1[byte],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[double,long]:FromManaged(System.Span`1[double],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[int,long]:FromManaged(System.Span`1[int],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[long,long]:FromManaged(System.Span`1[long],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[short,long]:FromManaged(System.Span`1[short],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,long]:FromManaged(System.Span`1[System.__Canon],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.Nullable`1[int],long]:FromManaged(System.Span`1[System.Nullable`1[int]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.Numerics.Vector`1[float],long]:FromManaged(System.Span`1[System.Numerics.Vector`1[float]],System.Span`1[long]):this (FullOpts)
           1 (7.14 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.TypeMapLazyDictionary+Utf16SharedBuffer:.ctor():this (FullOpts)

Top method improvements (bytes):
         -40 (-2.01 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:GetTags():System.Diagnostics.TagList:this (FullOpts)
         -40 (-2.25 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.MetricsHandler:InitializeCommonTags(System.Net.Http.HttpRequestMessage):System.Diagnostics.TagList:this (FullOpts)
         -33 (-1.60 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.SocketsHttpHandlerMetrics:RequestLeftQueue(System.Net.Http.HttpRequestMessage,System.Net.Http.HttpConnectionPool,System.TimeSpan,int):this (FullOpts)
         -32 (-2.87 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:IdleStateChanged(bool):this (FullOpts)
         -24 (-1.05 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.Activity:AddException(System.Exception,byref,System.DateTimeOffset):System.Diagnostics.Activity:this (FullOpts)
         -24 (-1.45 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.MetricsHandler:RequestStop(System.Net.Http.HttpRequestMessage,System.Net.Http.HttpResponseMessage,System.Exception,long,bool):this (FullOpts)
         -23 (-62.16 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this (FullOpts)
         -23 (-62.16 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this (FullOpts)
         -16 (-1.86 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:ConnectionClosed(long):this (FullOpts)
         -12 (-6.90 % of base) : Microsoft.Extensions.Logging.dasm - Microsoft.Extensions.Logging.Logger+LoggerDebugView:<get_Providers>g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[int]:get_Empty():System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[long]:get_Empty():System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[short]:get_Empty():System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
         -10 (-4.93 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.WebcilImageReader:GetWasmFunctionBody(int):System.Nullable`1[ILCompiler.Reflection.ReadyToRun.WebcilImageReader+WasmFunctionInfo]:this (FullOpts)
         -10 (-1.26 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodInvoker:InvokeWithFewArgs(System.Object,System.Span`1[System.Object]):System.Object:this (FullOpts)
          -9 (-5.81 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamPal:Renegotiate(byref,byref,System.Net.Security.SslAuthenticationOptions):System.Net.Security.ProtocolToken (FullOpts)
          -9 (-1.20 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create(System.Array):System.Numerics.Tensors.TensorShape (FullOpts)
          -9 (-42.86 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.CngKey:GetProperty(System.String,int):System.Security.Cryptography.CngProperty:this (FullOpts)
          -9 (-1.60 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.RegexNode:FindStartingLiteral():System.Nullable`1[System.Text.RegularExpressions.RegexNode+StartingLiteralData]:this (FullOpts)
          -8 (-1.18 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Numerics.Vector`1[float],System.Nullable`1[int]]:Remove(System.Numerics.Vector`1[float],System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.Numerics.Vector`1[float],System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Numerics.Vector`1[float],System.Nullable`1[int]]:this (FullOpts)
          -8 (-5.52 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HttpHeadersNonValidated:GetEnumerator():System.Net.Http.Headers.HttpHeadersNonValidated+Enumerator:this (FullOpts)
          -8 (-2.23 % of base) : System.Net.Security.dasm - System.Net.Security.SslStream:CreateShutdownToken():System.Net.Security.ProtocolToken:this (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.09 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.45 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.19 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-32.00 % of base) : System.Transactions.Local.dasm - System.Transactions.EnlistmentTraceIdentifier:get_Empty():System.Transactions.EnlistmentTraceIdentifier (FullOpts)
          -7 (-0.57 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create(System.Array,System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],byref):System.Numerics.Tensors.TensorShape (FullOpts)
          -6 (-1.41 % of base) : System.Private.CoreLib.dasm - System.IO.Enumeration.FileSystemEntry:Initialize(byref,Interop+Sys+DirectoryEntry,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],System.Span`1[char]):int (FullOpts)
          -6 (-0.79 % of base) : System.Private.CoreLib.dasm - System.Reflection.ConstructorInvoker:InvokeWithFewArgs(System.Span`1[System.Object]):System.Object:this (FullOpts)
          -6 (-0.54 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ReadMultiSegment():bool:this (FullOpts)
          -5 (-0.19 % of base) : System.Private.CoreLib.dasm - System.Reflection.CustomAttribute:AddCustomAttributes(byref,System.Reflection.RuntimeModule,int,System.RuntimeType,bool,System.RuntimeType+ListBuilder`1[System.Object]) (FullOpts)
          -5 (-0.35 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodBaseInvoker:InvokePropertySetter(System.Object,int,System.Reflection.Binder,System.Object,System.Globalization.CultureInfo):this (FullOpts)
          -5 (-0.26 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodBaseInvoker:InvokeWithOneArg(System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):System.Object:this (FullOpts)
          -5 (-0.30 % of base) : System.Private.CoreLib.dasm - System.Reflection.RuntimeMethodInfo:InvokePropertySetter(System.Object,int,System.Reflection.Binder,System.Object,System.Globalization.CultureInfo):this (FullOpts)
          -4 (-0.61 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ReadSingleSegment():bool:this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:ResetReader():this (FullOpts)
          -2 (-0.11 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:.ctor(System.Buffers.ReadOnlySequence`1[byte],bool,System.Text.Json.JsonReaderState):this (FullOpts)
          -2 (-0.67 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:.ctor(System.ReadOnlySpan`1[byte],bool,System.Text.Json.JsonReaderState):this (FullOpts)
          -1 (-0.27 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.CrossModuleInliningInfoSection:FindILBodyImportSection():ILCompiler.Reflection.ReadyToRun.ReadyToRunImportSection:this (FullOpts)
          -1 (-0.19 % of base) : System.Private.CoreLib.dasm - System.DateTimeParse:TryParseExactMultiple(System.ReadOnlySpan`1[char],System.String[],System.Globalization.DateTimeFormatInfo,int,byref):bool (FullOpts) (2 methods)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.DateTimeResult:SetBadFormatSpecifierFailure():this (FullOpts)
          -1 (-5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(int,int):this (FullOpts)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]]:Create():System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]] (FullOpts)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]]:Create():System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]] (FullOpts)
          -1 (-0.99 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.CryptoPoolLease:Return(int):this (FullOpts)

Top method regressions (percentages):
           1 (7.14 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.TypeMapLazyDictionary+Utf16SharedBuffer:.ctor():this (FullOpts)
           1 (5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(byte):this (FullOpts)
           1 (5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(int):this (FullOpts)
           6 (0.99 % of base) : System.Private.CoreLib.dasm - System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool (FullOpts)
           2 (0.89 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonObject:FindValue(System.Text.Json.Nodes.JsonNode):System.Nullable`1[System.Collections.Generic.KeyValuePair`2[System.String,System.Text.Json.Nodes.JsonNode]]:this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[byte,long]:FromManaged(System.ReadOnlySpan`1[byte],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[double,long]:FromManaged(System.ReadOnlySpan`1[double],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[int,long]:FromManaged(System.ReadOnlySpan`1[int],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[long,long]:FromManaged(System.ReadOnlySpan`1[long],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[short,long]:FromManaged(System.ReadOnlySpan`1[short],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,long]:FromManaged(System.ReadOnlySpan`1[System.__Canon],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,nint]:FromManaged(System.ReadOnlySpan`1[System.__Canon],System.Span`1[nint]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.Nullable`1[int],long]:FromManaged(System.ReadOnlySpan`1[System.Nullable`1[int]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.ReadOnlySpanMarshaller`2+ManagedToUnmanagedIn[System.Numerics.Vector`1[float],long]:FromManaged(System.ReadOnlySpan`1[System.Numerics.Vector`1[float]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[byte,long]:FromManaged(System.Span`1[byte],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[double,long]:FromManaged(System.Span`1[double],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[int,long]:FromManaged(System.Span`1[int],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[long,long]:FromManaged(System.Span`1[long],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[short,long]:FromManaged(System.Span`1[short],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.__Canon,long]:FromManaged(System.Span`1[System.__Canon],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.Nullable`1[int],long]:FromManaged(System.Span`1[System.Nullable`1[int]],System.Span`1[long]):this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Runtime.InteropServices.Marshalling.SpanMarshaller`2+ManagedToUnmanagedIn[System.Numerics.Vector`1[float],long]:FromManaged(System.Span`1[System.Numerics.Vector`1[float]],System.Span`1[long]):this (FullOpts)
           4 (0.82 % of base) : System.Web.HttpUtility.dasm - System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
           2 (0.51 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampTokenInfo:GetTimestampAuthorityName():System.Nullable`1[System.ReadOnlyMemory`1[byte]]:this (FullOpts)
           2 (0.46 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.Numerics.Vector`1[float]]:Remove(System.Numerics.Vector`1[float],System.Collections.Generic.IEqualityComparer`1[System.Numerics.Vector`1[float]],byref):System.Collections.Immutable.ImmutableHashSet`1+HashBucket[System.Numerics.Vector`1[float]]:this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:AdvanceToEnd():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:AdvanceToEnd():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:AdvanceToEnd():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:AdvanceToEnd():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:AdvanceToEnd():this (FullOpts)
           1 (0.46 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:AdvanceToEnd():this (FullOpts)
           2 (0.43 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[long,System.Nullable`1[int]]:Remove(long,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[long,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[long,System.Nullable`1[int]]:this (FullOpts)
           2 (0.42 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[double,System.Nullable`1[int]]:Remove(double,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[double,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[double,System.Nullable`1[int]]:this (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[int,System.Nullable`1[int]]:Remove(int,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[int,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[int,System.Nullable`1[int]]:this (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this (FullOpts)
           2 (0.40 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[short,System.Nullable`1[int]]:Remove(short,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[short,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[short,System.Nullable`1[int]]:this (FullOpts)
           2 (0.39 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Nullable`1[int],System.Nullable`1[int]]:Remove(System.Nullable`1[int],System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.Nullable`1[int],System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Nullable`1[int],System.Nullable`1[int]]:this (FullOpts)
           2 (0.35 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Nullable`1[int]]:Remove(System.__Canon,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.__Canon,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.__Canon,System.Nullable`1[int]]:this (FullOpts)
           2 (0.34 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[int](byref,int):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.34 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[long](byref,long):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.33 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[byte](byref,byte):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.33 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[System.Numerics.Vector`1[float]](byref,System.Numerics.Vector`1[float]):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.32 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[double](byref,double):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.32 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOf[short](byref,short):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.23 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[double](byref,double):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[System.Numerics.Vector`1[float]](byref,System.Numerics.Vector`1[float]):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[int](byref,int):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[long](byref,long):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.22 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[byte](byref,byte):System.Nullable`1[System.SequencePosition] (FullOpts)
           2 (0.21 % of base) : System.Memory.dasm - System.Buffers.BuffersExtensions:PositionOfMultiSegment[short](byref,short):System.Nullable`1[System.SequencePosition] (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:GetNextSpan():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:GetNextSpan():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:GetNextSpan():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:GetNextSpan():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:GetNextSpan():this (FullOpts)
           1 (0.13 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:GetNextSpan():this (FullOpts)

Top method improvements (percentages):
         -23 (-62.16 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this (FullOpts)
         -23 (-62.16 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this (FullOpts)
          -9 (-42.86 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.CngKey:GetProperty(System.String,int):System.Security.Cryptography.CngProperty:this (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[int]:get_Empty():System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[long]:get_Empty():System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[short]:get_Empty():System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]] (FullOpts)
         -12 (-33.33 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
          -8 (-32.00 % of base) : System.Transactions.Local.dasm - System.Transactions.EnlistmentTraceIdentifier:get_Empty():System.Transactions.EnlistmentTraceIdentifier (FullOpts)
         -12 (-6.90 % of base) : Microsoft.Extensions.Logging.dasm - Microsoft.Extensions.Logging.Logger+LoggerDebugView:<get_Providers>g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger] (FullOpts)
          -9 (-5.81 % of base) : System.Net.Security.dasm - System.Net.Security.SslStreamPal:Renegotiate(byref,byref,System.Net.Security.SslAuthenticationOptions):System.Net.Security.ProtocolToken (FullOpts)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.DateTimeResult:SetBadFormatSpecifierFailure():this (FullOpts)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]]:Create():System.Runtime.CompilerServices.AsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]] (FullOpts)
          -1 (-5.56 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]]:Create():System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[System.Numerics.Vector`1[float]] (FullOpts)
          -8 (-5.52 % of base) : System.Net.Http.dasm - System.Net.Http.Headers.HttpHeadersNonValidated:GetEnumerator():System.Net.Http.Headers.HttpHeadersNonValidated+Enumerator:this (FullOpts)
          -1 (-5.00 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse+TimeSpanToken:.ctor(int,int):this (FullOpts)
         -10 (-4.93 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.WebcilImageReader:GetWasmFunctionBody(int):System.Nullable`1[ILCompiler.Reflection.ReadyToRun.WebcilImageReader+WasmFunctionInfo]:this (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.62 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-4.19 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byte[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](double[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](int[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](long[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](short[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](System.__Canon[],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](System.Nullable`1[int][],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.49 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],int,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint]):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.45 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.36 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](byref,nint,System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[byte](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[double](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[int](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[long](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[short](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Nullable`1[int]](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.11 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.Numerics.Vector`1[float]](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-3.09 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create[System.__Canon](byref,nint,bool):System.Numerics.Tensors.TensorShape (FullOpts)
         -32 (-2.87 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:IdleStateChanged(bool):this (FullOpts)
         -40 (-2.25 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.MetricsHandler:InitializeCommonTags(System.Net.Http.HttpRequestMessage):System.Diagnostics.TagList:this (FullOpts)
          -8 (-2.23 % of base) : System.Net.Security.dasm - System.Net.Security.SslStream:CreateShutdownToken():System.Net.Security.ProtocolToken:this (FullOpts)
         -40 (-2.01 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:GetTags():System.Diagnostics.TagList:this (FullOpts)
         -16 (-1.86 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.ConnectionMetrics:ConnectionClosed(long):this (FullOpts)
          -9 (-1.60 % of base) : System.Text.RegularExpressions.dasm - System.Text.RegularExpressions.RegexNode:FindStartingLiteral():System.Nullable`1[System.Text.RegularExpressions.RegexNode+StartingLiteralData]:this (FullOpts)
         -33 (-1.60 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.SocketsHttpHandlerMetrics:RequestLeftQueue(System.Net.Http.HttpRequestMessage,System.Net.Http.HttpConnectionPool,System.TimeSpan,int):this (FullOpts)
         -24 (-1.45 % of base) : System.Net.Http.dasm - System.Net.Http.Metrics.MetricsHandler:RequestStop(System.Net.Http.HttpRequestMessage,System.Net.Http.HttpResponseMessage,System.Exception,long,bool):this (FullOpts)
          -6 (-1.41 % of base) : System.Private.CoreLib.dasm - System.IO.Enumeration.FileSystemEntry:Initialize(byref,Interop+Sys+DirectoryEntry,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char],System.Span`1[char]):int (FullOpts)
         -10 (-1.26 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodInvoker:InvokeWithFewArgs(System.Object,System.Span`1[System.Object]):System.Object:this (FullOpts)
          -9 (-1.20 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create(System.Array):System.Numerics.Tensors.TensorShape (FullOpts)
          -8 (-1.18 % of base) : System.Collections.Immutable.dasm - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Numerics.Vector`1[float],System.Nullable`1[int]]:Remove(System.Numerics.Vector`1[float],System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[System.Numerics.Vector`1[float],System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[System.Numerics.Vector`1[float],System.Nullable`1[int]]:this (FullOpts)
         -24 (-1.05 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.Activity:AddException(System.Exception,byref,System.DateTimeOffset):System.Diagnostics.Activity:this (FullOpts)
          -1 (-0.99 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.CryptoPoolLease:Return(int):this (FullOpts)
          -1 (-0.99 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.CryptoPoolLease:Return(int):this (FullOpts)
          -6 (-0.79 % of base) : System.Private.CoreLib.dasm - System.Reflection.ConstructorInvoker:InvokeWithFewArgs(System.Span`1[System.Object]):System.Object:this (FullOpts)
          -2 (-0.67 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:.ctor(System.ReadOnlySpan`1[byte],bool,System.Text.Json.JsonReaderState):this (FullOpts)
          -4 (-0.61 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ReadSingleSegment():bool:this (FullOpts)
          -7 (-0.57 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:Create(System.Array,System.ReadOnlySpan`1[int],System.ReadOnlySpan`1[nint],System.ReadOnlySpan`1[nint],byref):System.Numerics.Tensors.TensorShape (FullOpts)
          -6 (-0.54 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ReadMultiSegment():bool:this (FullOpts)
          -5 (-0.35 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodBaseInvoker:InvokePropertySetter(System.Object,int,System.Reflection.Binder,System.Object,System.Globalization.CultureInfo):this (FullOpts)
          -5 (-0.30 % of base) : System.Private.CoreLib.dasm - System.Reflection.RuntimeMethodInfo:InvokePropertySetter(System.Object,int,System.Reflection.Binder,System.Object,System.Globalization.CultureInfo):this (FullOpts)
          -1 (-0.27 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.CrossModuleInliningInfoSection:FindILBodyImportSection():ILCompiler.Reflection.ReadyToRun.ReadyToRunImportSection:this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[byte]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[double]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[int]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[long]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[short]:ResetReader():this (FullOpts)
          -2 (-0.27 % of base) : System.Memory.dasm - System.Buffers.SequenceReader`1[System.Numerics.Vector`1[float]]:ResetReader():this (FullOpts)
          -5 (-0.26 % of base) : System.Private.CoreLib.dasm - System.Reflection.MethodBaseInvoker:InvokeWithOneArg(System.Object,int,System.Reflection.Binder,System.Object[],System.Globalization.CultureInfo):System.Object:this (FullOpts)
          -5 (-0.19 % of base) : System.Private.CoreLib.dasm - System.Reflection.CustomAttribute:AddCustomAttributes(byref,System.Reflection.RuntimeModule,int,System.RuntimeType,bool,System.RuntimeType+ListBuilder`1[System.Object]) (FullOpts)
          -1 (-0.19 % of base) : System.Private.CoreLib.dasm - System.DateTimeParse:TryParseExactMultiple(System.ReadOnlySpan`1[char],System.String[],System.Globalization.DateTimeFormatInfo,int,byref):bool (FullOpts) (2 methods)

157 total methods with Code Size differences (101 improved, 56 regressed), 287114 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• jit-diffs-main.zip (158 MB)
• diff-frameworks.txt (66 KB)
• jit-diffs-pr.zip (158 MB)
• ShortDiffsRegressions.md (53 KB)
• LongDiffsRegressions.md (463 KB)
• ShortDiffsImprovements.md (32 KB)
• LongDiffsImprovements.md (354 KB)

[MihuBot]

Top method regressions

6 (0.99 % of base) - System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool

 ; Assembly listing for method System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 10 single block inlinees; 9 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op single-def <System.ReadOnlySpan`1[char]>
 ;  V01 arg1         [V01,T03] (  5,  5   )   byref  ->  r13         single-def
 ;  V02 arg2         [V02,T02] (  5,  4.50)   byref  ->  r14         single-def
 ;  V03 arg3         [V03,T04] (  5,  5   )   byref  ->  r12         single-def
 ;  V04 arg4         [V04,T05] (  4,  3.50)   byref  ->  [rbp-0x38]  single-def
 ;  V05 arg5         [V05,T22] (  2,  1.50)   byref  ->  [rbp+0x10]  single-def
 ;  V06 arg6         [V06,T13] (  3,  2   )   byref  ->  [rbp+0x18]  single-def
 ;  V07 arg7         [V07,T23] (  2,  1.50)   byref  ->  [rbp+0x20]  single-def
 ;  V08 arg8         [V08,T14] (  3,  2   )   byref  ->  [rbp+0x28]  single-def
 ;  V09 loc0         [V09    ] ( 27, 15.50)     int  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed ld-addr-op
 ;# V10 OutArgs      [V10    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V11 tmp1         [V11    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlySpan`1[char]>
 ;* V12 tmp2         [V12    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlySpan`1[char]>
 ;* V13 tmp3         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V14 tmp4         [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V15 tmp5         [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V16 tmp6         [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V17 tmp7         [V17    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V18 tmp8         [V18    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;* V19 tmp9         [V19    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;* V20 tmp10        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;  V21 tmp11        [V21,T11] (  3,  3   )     int  ->  rdi         "Span.get_Item index"
 ;* V22 tmp12        [V22    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V23 tmp13        [V23    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;* V24 tmp14        [V24    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;* V25 tmp15        [V25    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;  V26 tmp16        [V26,T12] (  3,  3   )     int  ->  rdi         "Span.get_Item index"
 ;* V27 tmp17        [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V28 tmp18        [V28    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;* V29 tmp19        [V29    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest "RetBuf for struct inline return candidates." <System.ReadOnlySpan`1[char]>
 ;  V30 tmp20        [V30,T01] ( 13,  8.50)   byref  ->  r15         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
 ;  V31 tmp21        [V31,T00] ( 17, 10.50)     int  ->  rbx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;  V32 tmp22        [V32,T15] (  2,  2   )   byref  ->  rax         "field V11._reference (fldOffset=0x0)" P-INDEP
 ;  V33 tmp23        [V33,T18] (  2,  2   )     int  ->  rdx         "field V11._length (fldOffset=0x8)" P-INDEP
 ;  V34 tmp24        [V34,T16] (  2,  2   )   byref  ->  rax         "field V12._reference (fldOffset=0x0)" P-INDEP
 ;  V35 tmp25        [V35,T19] (  2,  2   )     int  ->  rdx         "field V12._length (fldOffset=0x8)" P-INDEP
 ;* V36 tmp26        [V36    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V37 tmp27        [V37    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
 ;* V38 tmp28        [V38    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
 ;* V39 tmp29        [V39    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
 ;* V40 tmp30        [V40    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
 ;* V41 tmp31        [V41    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
 ;* V42 tmp32        [V42    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V16._reference (fldOffset=0x0)" P-INDEP
 ;* V43 tmp33        [V43    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
 ;* V44 tmp34        [V44    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V17._reference (fldOffset=0x0)" P-INDEP
 ;* V45 tmp35        [V45    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
 ;  V46 tmp36        [V46,T17] (  2,  2   )   byref  ->  rax         "field V18._reference (fldOffset=0x0)" P-INDEP
 ;  V47 tmp37        [V47,T20] (  2,  2   )     int  ->  rdx         "field V18._length (fldOffset=0x8)" P-INDEP
 ;  V48 tmp38        [V48,T24] (  2,  1   )   byref  ->  rax         "field V19._reference (fldOffset=0x0)" P-INDEP
 ;  V49 tmp39        [V49,T29] (  2,  1   )     int  ->  rdx         "field V19._length (fldOffset=0x8)" P-INDEP
 ;* V50 tmp40        [V50    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V20._reference (fldOffset=0x0)" P-INDEP
 ;* V51 tmp41        [V51    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
 ;* V52 tmp42        [V52    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V22._reference (fldOffset=0x0)" P-INDEP
 ;* V53 tmp43        [V53    ] (  0,  0   )     int  ->  zero-ref    "field V22._length (fldOffset=0x8)" P-INDEP
 ;  V54 tmp44        [V54,T25] (  2,  1   )   byref  ->  rax         "field V23._reference (fldOffset=0x0)" P-INDEP
 ;  V55 tmp45        [V55,T30] (  2,  1   )     int  ->  rdx         "field V23._length (fldOffset=0x8)" P-INDEP
 ;  V56 tmp46        [V56,T26] (  2,  1   )   byref  ->  rax         "field V24._reference (fldOffset=0x0)" P-INDEP
 ;  V57 tmp47        [V57,T31] (  2,  1   )     int  ->  rdx         "field V24._length (fldOffset=0x8)" P-INDEP
 ;* V58 tmp48        [V58    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V25._reference (fldOffset=0x0)" P-INDEP
 ;* V59 tmp49        [V59    ] (  0,  0   )     int  ->  zero-ref    "field V25._length (fldOffset=0x8)" P-INDEP
 ;* V60 tmp50        [V60    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V27._reference (fldOffset=0x0)" P-INDEP
 ;* V61 tmp51        [V61    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
 ;  V62 tmp52        [V62,T27] (  2,  1   )   byref  ->  rax         "field V28._reference (fldOffset=0x0)" P-INDEP
 ;  V63 tmp53        [V63,T32] (  2,  1   )     int  ->  rdx         "field V28._length (fldOffset=0x8)" P-INDEP
 ;  V64 tmp54        [V64,T28] (  2,  1   )   byref  ->  rax         "field V29._reference (fldOffset=0x0)" P-INDEP
 ;  V65 tmp55        [V65,T33] (  2,  1   )     int  ->  rdx         "field V29._length (fldOffset=0x8)" P-INDEP
 ;* V66 tmp56        [V66,T21] (  0,  0   )   byref  ->  zero-ref    single-def "Block morph LHS addr"
 ;  V67 tmp57        [V67,T06] (  3,  3   )   byref  ->  r12         single-def "Block morph LHS addr"
 ;  V68 tmp58        [V68,T07] (  3,  3   )   byref  ->  [rbp-0x40]  spill-single-def "Block morph LHS addr"
 ;  V69 tmp59        [V69,T08] (  3,  3   )   byref  ->  r12         single-def "Block morph LHS addr"
 ;  V70 tmp60        [V70,T09] (  3,  3   )   byref  ->  [rbp-0x48]  spill-single-def "Block morph LHS addr"
 ;  V71 tmp61        [V71,T10] (  3,  3   )   byref  ->  r12         single-def "Block morph LHS addr"
 ;
 ; Lcl frame size = 40
 
 G_M31680_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+0x50]
        mov      r15, rdi
        mov      ebx, esi
        mov      r13, rdx
        mov      r14, rcx
        mov      r12, r8
        mov      rax, r9
        mov      r9, bword ptr [rbp+0x10]
        mov      rcx, bword ptr [rbp+0x18]
        mov      r10, bword ptr [rbp+0x20]
        mov      r8, bword ptr [rbp+0x28]
 						;; size=52 bbWeight=1 PerfScore 12.25
 G_M31680_IG02:
-       xor      edi, edi
        mov      bword ptr [rbp-0x38], rax
-       mov      qword ptr [rax], rdi
-       mov      qword ptr [rax+0x08], rdi
-						;; size=13 bbWeight=1 PerfScore 3.25
-G_M31680_IG03:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [rax], xmm0
        mov      bword ptr [rbp+0x10], r9
-       mov      qword ptr [r9], rdi
-       mov      qword ptr [r9+0x08], rdi
-						;; size=11 bbWeight=1 PerfScore 3.00
-G_M31680_IG04:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r9], xmm0
        mov      bword ptr [rbp+0x18], rcx
-       mov      qword ptr [rcx], rdi
-       mov      qword ptr [rcx+0x08], rdi
-						;; size=11 bbWeight=1 PerfScore 3.00
-G_M31680_IG05:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [rcx], xmm0
        mov      bword ptr [rbp+0x20], r10
-       mov      qword ptr [r10], rdi
-       mov      qword ptr [r10+0x08], rdi
-						;; size=11 bbWeight=1 PerfScore 3.00
-G_M31680_IG06:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r10], xmm0
        mov      bword ptr [rbp+0x28], r8
-       mov      qword ptr [r8], rdi
-       mov      qword ptr [r8+0x08], rdi
-						;; size=11 bbWeight=1 PerfScore 3.00
-G_M31680_IG07:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r8], xmm0
+       xor      edi, edi
        mov      dword ptr [rbp-0x30], edi
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      r11, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixName(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [r11]System.TimeZoneInfo:TZif_ParsePosixName(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r13], rax
        mov      dword ptr [r13+0x08], edx
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixOffset(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rax]System.TimeZoneInfo:TZif_ParsePosixOffset(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r14], rax
        mov      dword ptr [r14+0x08], edx
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixName(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rax]System.TimeZoneInfo:TZif_ParsePosixName(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r12], rax
        mov      dword ptr [r12+0x08], edx
        cmp      dword ptr [r12+0x08], 0
-       je       G_M31680_IG11
-						;; size=103 bbWeight=1 PerfScore 22.75
-G_M31680_IG08:
+       je       G_M31680_IG06
+						;; size=168 bbWeight=1 PerfScore 34.67
+G_M31680_IG03:
        mov      r12, bword ptr [rbp-0x38]
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixOffset(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rax]System.TimeZoneInfo:TZif_ParsePosixOffset(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r12], rax
        mov      dword ptr [r12+0x08], edx
        cmp      dword ptr [rbp-0x30], ebx
-       jge      G_M31680_IG11
+       jge      G_M31680_IG06
        cmp      dword ptr [rbp-0x30], ebx
-       jae      G_M31680_IG16
+       jae      G_M31680_IG11
        mov      edi, dword ptr [rbp-0x30]
        cmp      word  ptr [r15+2*rdi], 44
-       jne      G_M31680_IG11
+       jne      G_M31680_IG06
        mov      edi, dword ptr [rbp-0x30]
        inc      edi
        mov      dword ptr [rbp-0x30], edi
-       xor      edi, edi
        mov      r12, bword ptr [rbp+0x18]
-       mov      qword ptr [r12], rdi
-       mov      qword ptr [r12+0x08], rdi
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r12], xmm0
        mov      rax, bword ptr [rbp+0x10]
        mov      bword ptr [rbp-0x40], rax
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rcx, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixDate(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rcx]System.TimeZoneInfo:TZif_ParsePosixDate(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      rdi, bword ptr [rbp-0x40]
        mov      bword ptr [rdi], rax
        mov      dword ptr [rdi+0x08], edx
        cmp      dword ptr [rbp-0x30], ebx
-       jge      SHORT G_M31680_IG10
+       jge      SHORT G_M31680_IG05
        mov      edi, dword ptr [rbp-0x30]
        cmp      edi, ebx
-       jae      G_M31680_IG16
+       jae      G_M31680_IG11
        cmp      word  ptr [r15+2*rdi], 47
-       jne      SHORT G_M31680_IG10
+       jne      SHORT G_M31680_IG05
        mov      edi, dword ptr [rbp-0x30]
        inc      edi
        mov      dword ptr [rbp-0x30], edi
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixTime(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
-						;; size=180 bbWeight=0.50 PerfScore 20.38
-G_M31680_IG09:
+						;; size=179 bbWeight=0.50 PerfScore 19.92
+G_M31680_IG04:
        call     [rax]System.TimeZoneInfo:TZif_ParsePosixTime(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r12], rax
        mov      dword ptr [r12+0x08], edx
 						;; size=11 bbWeight=0.50 PerfScore 2.50
-G_M31680_IG10:
+G_M31680_IG05:
        cmp      dword ptr [rbp-0x30], ebx
-       jge      G_M31680_IG11
+       jge      G_M31680_IG06
        cmp      dword ptr [rbp-0x30], ebx
-       jae      G_M31680_IG16
+       jae      G_M31680_IG11
        mov      edi, dword ptr [rbp-0x30]
        cmp      word  ptr [r15+2*rdi], 44
-       jne      SHORT G_M31680_IG11
+       jne      SHORT G_M31680_IG06
        mov      edi, dword ptr [rbp-0x30]
        inc      edi
        mov      dword ptr [rbp-0x30], edi
-       xor      edi, edi
        mov      r12, bword ptr [rbp+0x28]
-       mov      qword ptr [r12], rdi
-       mov      qword ptr [r12+0x08], rdi
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r12], xmm0
        mov      rax, bword ptr [rbp+0x20]
        mov      bword ptr [rbp-0x48], rax
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rcx, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixDate(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rcx]System.TimeZoneInfo:TZif_ParsePosixDate(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      rdi, bword ptr [rbp-0x48]
        mov      bword ptr [rdi], rax
        mov      dword ptr [rdi+0x08], edx
        cmp      dword ptr [rbp-0x30], ebx
-       jge      SHORT G_M31680_IG11
+       jge      SHORT G_M31680_IG06
        mov      edi, dword ptr [rbp-0x30]
        cmp      edi, ebx
-       jae      SHORT G_M31680_IG16
+       jae      SHORT G_M31680_IG11
        cmp      word  ptr [r15+2*rdi], 47
-       jne      SHORT G_M31680_IG11
+       jne      SHORT G_M31680_IG06
        mov      edi, dword ptr [rbp-0x30]
        inc      edi
        mov      dword ptr [rbp-0x30], edi
        mov      rdi, r15
        mov      esi, ebx
        lea      rdx, [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.TimeZoneInfo:TZif_ParsePosixTime(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        call     [rax]System.TimeZoneInfo:TZif_ParsePosixTime(System.ReadOnlySpan`1[char],byref):System.ReadOnlySpan`1[char]
        mov      bword ptr [r12], rax
        mov      dword ptr [r12+0x08], edx
-						;; size=149 bbWeight=0.50 PerfScore 19.25
-G_M31680_IG11:
+						;; size=148 bbWeight=0.50 PerfScore 18.79
+G_M31680_IG06:
        cmp      dword ptr [r13+0x08], 0
-       jne      SHORT G_M31680_IG14
+       jne      SHORT G_M31680_IG09
 						;; size=7 bbWeight=1 PerfScore 3.00
-G_M31680_IG12:
+G_M31680_IG07:
        xor      eax, eax
 						;; size=2 bbWeight=0.25 PerfScore 0.06
-G_M31680_IG13:
+G_M31680_IG08:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.25 PerfScore 1.06
-G_M31680_IG14:
+G_M31680_IG09:
        cmp      dword ptr [r14+0x08], 0
        setne    al
        movzx    rax, al
 						;; size=11 bbWeight=0.50 PerfScore 1.38
-G_M31680_IG15:
+G_M31680_IG10:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M31680_IG16:
+G_M31680_IG11:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 608, prolog size 19, PerfScore 100.00, instruction count 172, allocated bytes for code 608 (MethodHash=c1bc843f) for method System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool (FullOpts)
+; Total bytes of code 614, prolog size 19, PerfScore 95.75, instruction count 170, allocated bytes for code 614 (MethodHash=c1bc843f) for method System.TimeZoneInfo:TZif_ParsePosixFormat(System.ReadOnlySpan`1[char],byref,byref,byref,byref,byref,byref,byref,byref):bool (FullOpts)
 ; ============================================================

4 (0.82 % of base) - System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool

 ; Assembly listing for method System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 25 single block inlinees; 9 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] ( 16,  9   )     ref  ->  rbx         class-hnd single-def <System.String>
 ;  V01 arg1         [V01,T03] (  5,  3.50)   byref  ->  r14         single-def
 ;  V02 arg2         [V02,T04] (  4,  3   )   byref  ->  r13         single-def
 ;  V03 arg3         [V03,T01] (  6,  4   )   byref  ->  r15         single-def
 ;* V04 loc0         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;  V05 loc1         [V05,T05] (  6,  3.50)     ref  ->  registers   class-hnd <System.String>
 ;  V06 loc2         [V06,T08] (  3,  2.50)     ref  ->  rax         ld-addr-op class-hnd single-def <System.Uri>
 ;  V07 loc3         [V07,T09] (  4,  2   )     ref  ->  rax         class-hnd exact single-def <System.String>
 ;  V08 loc4         [V08,T18] (  3,  1.50)     int  ->  rax        
 ;  V09 loc5         [V09,T07] (  5,  2.50)     int  ->  rsi        
 ;# V10 OutArgs      [V10    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V11 tmp1         [V11    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;* V12 tmp2         [V12    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;* V13 tmp3         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V14 tmp4         [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;  V15 tmp5         [V15,T13] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
 ;  V16 tmp6         [V16,T15] (  2,  2   )     int  ->  rcx         "Inlining Arg"
 ;* V17 tmp7         [V17    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
 ;* V18 tmp8         [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V19 tmp9         [V19    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V20 tmp10        [V20    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V21 tmp11        [V21    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;  V22 tmp12        [V22,T02] ( 10,  5.50)     int  ->  r12         "Inline return value spill temp"
 ;* V23 tmp13        [V23,T23] (  0,  0   )  ushort  ->  zero-ref    "Inline stloc first use temp"
 ;* V24 tmp14        [V24,T24] (  0,  0   )  ushort  ->  zero-ref    "Inline stloc first use temp"
 ;* V25 tmp15        [V25    ] (  0,  0   )  ushort  ->  zero-ref    "Inline stloc first use temp"
 ;* V26 tmp16        [V26    ] (  0,  0   )  ushort  ->  zero-ref    "Inline return value spill temp"
 ;* V27 tmp17        [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;  V28 tmp18        [V28,T10] (  4,  2   )     ref  ->  rcx         class-hnd exact "Inline return value spill temp" <System.String>
 ;  V29 tmp19        [V29,T22] (  2,  1   )    long  ->  [rbp-0x30]  spill-single-def "Inline stloc first use temp"
 ;  V30 tmp20        [V30,T06] (  3,  3   )     ref  ->  [rbp-0x48]  class-hnd exact spill-single-def "dup spill" <System.String>
 ;* V31 tmp21        [V31    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline stloc first use temp" <System.Runtime.CompilerServices.TypeHandle>
 ;* V32 tmp22        [V32    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;* V33 tmp23        [V33    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.TypeHandle>
 ;* V34 tmp24        [V34    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V35 tmp25        [V35    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V36 tmp26        [V36    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;* V37 tmp27        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V38 tmp28        [V38    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;  V39 tmp29        [V39,T14] (  2,  2   )   byref  ->  rcx         single-def "Inlining Arg"
 ;  V40 tmp30        [V40,T16] (  2,  2   )     int  ->  rdi         "Inlining Arg"
 ;* V41 tmp31        [V41    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;  V42 tmp32        [V42    ] (  2,  2   )  struct ( 8) [rbp-0x38]  do-not-enreg[XS] addr-exposed ld-addr-op "Inline ldloca(s) first use temp" <System.UriCreationOptions>
 ;* V43 tmp33        [V43,T25] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V44 tmp34        [V44    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;* V45 tmp35        [V45    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V46 tmp36        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;* V47 tmp37        [V47    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V48 tmp38        [V48    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;* V49 tmp39        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
 ;* V50 tmp40        [V50    ] (  0,  0   )   byref  ->  zero-ref    "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V51 tmp41        [V51    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
 ;  V52 tmp42        [V52,T11] (  3,  2   )   byref  ->  rdi         "field V12._reference (fldOffset=0x0)" P-INDEP
 ;  V53 tmp43        [V53,T12] (  3,  2   )     int  ->  rcx         "field V12._length (fldOffset=0x8)" P-INDEP
 ;* V54 tmp44        [V54    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V55 tmp45        [V55    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
 ;* V56 tmp46        [V56    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
 ;* V57 tmp47        [V57    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
 ;* V58 tmp48        [V58    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
 ;* V59 tmp49        [V59    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
 ;* V60 tmp50        [V60    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V19._reference (fldOffset=0x0)" P-INDEP
 ;* V61 tmp51        [V61    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
 ;* V62 tmp52        [V62    ] (  0,  0   )   byref  ->  zero-ref    "field V27._reference (fldOffset=0x0)" P-INDEP
 ;* V63 tmp53        [V63    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
 ;* V64 tmp54        [V64    ] (  0,  0   )    long  ->  zero-ref    "field V31.m_asTAddr (fldOffset=0x0)" P-INDEP
 ;* V65 tmp55        [V65    ] (  0,  0   )    long  ->  zero-ref    "field V33.m_asTAddr (fldOffset=0x0)" P-INDEP
 ;* V66 tmp56        [V66    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V36._reference (fldOffset=0x0)" P-INDEP
 ;* V67 tmp57        [V67    ] (  0,  0   )     int  ->  zero-ref    "field V36._length (fldOffset=0x8)" P-INDEP
 ;* V68 tmp58        [V68    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V37._reference (fldOffset=0x0)" P-INDEP
 ;* V69 tmp59        [V69    ] (  0,  0   )     int  ->  zero-ref    "field V37._length (fldOffset=0x8)" P-INDEP
 ;* V70 tmp60        [V70    ] (  0,  0   )   byref  ->  zero-ref    "field V38._reference (fldOffset=0x0)" P-INDEP
 ;* V71 tmp61        [V71    ] (  0,  0   )     int  ->  zero-ref    "field V38._length (fldOffset=0x8)" P-INDEP
 ;* V72 tmp62        [V72    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V41._reference (fldOffset=0x0)" P-INDEP
 ;* V73 tmp63        [V73    ] (  0,  0   )     int  ->  zero-ref    "field V41._length (fldOffset=0x8)" P-INDEP
 ;  V74 tmp64        [V74    ] (  2,  2   )   ubyte  ->  [rbp-0x38]  do-not-enreg[X] addr-exposed "field V42._disablePathAndQueryCanonicalization (fldOffset=0x0)" P-DEP
 ;  V75 tmp65        [V75,T17] (  3,  1.50)   byref  ->  rbx         "field V44._reference (fldOffset=0x0)" P-INDEP
 ;  V76 tmp66        [V76,T19] (  3,  1.50)     int  ->  rdi         "field V44._length (fldOffset=0x8)" P-INDEP
 ;  V77 tmp67        [V77,T21] (  2,  1   )   byref  ->  rbx         single-def "field V45._reference (fldOffset=0x0)" P-INDEP
 ;* V78 tmp68        [V78    ] (  0,  0   )     int  ->  zero-ref    "field V45._length (fldOffset=0x8)" P-INDEP
 ;* V79 tmp69        [V79    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V46._reference (fldOffset=0x0)" P-INDEP
 ;* V80 tmp70        [V80    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
 ;* V81 tmp71        [V81    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V48._reference (fldOffset=0x0)" P-INDEP
 ;* V82 tmp72        [V82    ] (  0,  0   )     int  ->  zero-ref    "field V48._length (fldOffset=0x8)" P-INDEP
 ;* V83 tmp73        [V83    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V49._reference (fldOffset=0x0)" P-INDEP
 ;* V84 tmp74        [V84    ] (  0,  0   )     int  ->  zero-ref    "field V49._length (fldOffset=0x8)" P-INDEP
 ;  V85 cse0         [V85,T20] (  3,  1.50)     int  ->  [rbp-0x3C]  "CSE #05: moderate"
 ;
 ; Lcl frame size = 40
 
 G_M63691_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+0x50]
        mov      rbx, rdi
        mov      r14, rsi
        mov      r13, rdx
        mov      r15, rcx
 						;; size=31 bbWeight=1 PerfScore 7.75
 G_M63691_IG02:
        test     rbx, rbx
        je       SHORT G_M63691_IG04
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M63691_IG03:
        lea      rdi, bword ptr [rbx+0x0C]
        mov      ecx, dword ptr [rbx+0x08]
        jmp      SHORT G_M63691_IG05
 						;; size=9 bbWeight=0.50 PerfScore 2.25
 G_M63691_IG04:
        xor      rdi, rdi
        xor      ecx, ecx
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M63691_IG05:
        mov      edx, 35
        mov      esi, 63
        mov      rax, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOfAny[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,short,int):int
        call     [rax]System.PackedSpanHelpers:IndexOfAny[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,short,int):int
        mov      r12d, eax
        test     r12d, r12d
        jge      SHORT G_M63691_IG07
 						;; size=30 bbWeight=1 PerfScore 5.25
 G_M63691_IG06:
        mov      r12, rbx
-       xor      esi, esi
-       mov      qword ptr [r15], rsi
-       mov      qword ptr [r15+0x08], rsi
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r15], xmm0
        jmp      G_M63691_IG11
-						;; size=17 bbWeight=0.50 PerfScore 2.25
+						;; size=17 bbWeight=0.50 PerfScore 1.79
 G_M63691_IG07:
        cmp      dword ptr [rbx+0x08], r12d
-       jb       G_M63691_IG21
+       jb       G_M63691_IG19
        test     r12d, r12d
        je       SHORT G_M63691_IG09
        cmp      dword ptr [rbx+0x08], r12d
        je       SHORT G_M63691_IG08
        mov      eax, r12d
        mov      qword ptr [rbp-0x30], rax
        mov      esi, r12d
        mov      rdi, 0xD1FFAB1E      ; System.String
        call     System.String:FastAllocateString(ptr,nint):System.String
        mov      gword ptr [rbp-0x48], rax
        lea      rdi, bword ptr [rax+0x0C]
        lea      rsi, bword ptr [rbx+0x0C]
        mov      rdx, qword ptr [rbp-0x30]
        add      rdx, rdx
        mov      rcx, 0xD1FFAB1E      ; code for System.SpanHelpers:Memmove(byref,byref,nuint)
        call     [rcx]System.SpanHelpers:Memmove(byref,byref,nuint)
        mov      rcx, gword ptr [rbp-0x48]
        jmp      SHORT G_M63691_IG10
 						;; size=83 bbWeight=0.50 PerfScore 9.75
 G_M63691_IG08:
        mov      rcx, rbx
        jmp      SHORT G_M63691_IG10
 						;; size=5 bbWeight=0.50 PerfScore 1.12
 G_M63691_IG09:
        mov      rcx, 0xD1FFAB1E      ; ''
 						;; size=10 bbWeight=0.50 PerfScore 0.12
 G_M63691_IG10:
        mov      rax, rcx
        mov      ecx, r12d
        lea      rcx, bword ptr [rbx+2*rcx+0x0C]
        mov      edi, dword ptr [rbx+0x08]
        sub      edi, r12d
        mov      bword ptr [r15], rcx
        mov      dword ptr [r15+0x08], edi
        mov      r12, rax
 						;; size=27 bbWeight=0.50 PerfScore 3.00
 G_M63691_IG11:
        mov      byte  ptr [rbp-0x38], 0
        lea      rcx, [rbp-0x38]
        mov      rdi, r12
        xor      esi, esi
        mov      edx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:CreateHelper(System.String,bool,int,byref):System.Uri
        call     [rax]System.Uri:CreateHelper(System.String,bool,int,byref):System.Uri
        test     rax, rax
        je       SHORT G_M63691_IG13
 						;; size=35 bbWeight=1 PerfScore 6.75
 G_M63691_IG12:
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:get_Authority():System.String:this
        call     [rax]System.Uri:get_Authority():System.String:this
        test     rax, rax
        je       SHORT G_M63691_IG13
        mov      r9d, dword ptr [rax+0x08]
        mov      esi, r9d
        mov      dword ptr [rbp-0x3C], esi
        test     esi, esi
        je       SHORT G_M63691_IG13
        mov      ecx, dword ptr [r12+0x08]
        mov      rdi, r12
        mov      rsi, rax
        xor      edx, edx
        mov      r8d, 5
        mov      rax, 0xD1FFAB1E      ; code for System.String:IndexOf(System.String,int,int,int):int:this
        call     [rax]System.String:IndexOf(System.String,int,int,int):int:this
        test     eax, eax
-       jge      SHORT G_M63691_IG17
+       jge      SHORT G_M63691_IG15
 						;; size=69 bbWeight=0.50 PerfScore 8.38
 G_M63691_IG13:
-       xor      eax, eax
-       mov      qword ptr [r14], rax
-       mov      qword ptr [r14+0x08], rax
-						;; size=9 bbWeight=0.50 PerfScore 1.12
-G_M63691_IG14:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r14], xmm0
+       xor      rax, rax
        mov      gword ptr [r13], rax
-						;; size=4 bbWeight=0.50 PerfScore 0.50
-G_M63691_IG15:
-       mov      qword ptr [r15], rax
-       mov      qword ptr [r15+0x08], rax
-						;; size=7 bbWeight=0.50 PerfScore 1.00
-G_M63691_IG16:
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r15], xmm0
+						;; size=24 bbWeight=0.50 PerfScore 1.96
+G_M63691_IG14:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M63691_IG17:
+G_M63691_IG15:
        mov      r15d, dword ptr [rbp-0x3C]
        lea      esi, [r15+rax]
        test     rbx, rbx
-       je       SHORT G_M63691_IG18
+       je       SHORT G_M63691_IG16
        cmp      dword ptr [rbx+0x08], esi
-       jb       SHORT G_M63691_IG22
+       jb       SHORT G_M63691_IG20
        add      rbx, 12
        mov      edi, esi
-       jmp      SHORT G_M63691_IG19
+       jmp      SHORT G_M63691_IG17
 						;; size=26 bbWeight=0.50 PerfScore 4.12
-G_M63691_IG18:
+G_M63691_IG16:
        test     esi, esi
-       jne      SHORT G_M63691_IG22
+       jne      SHORT G_M63691_IG20
        xor      rbx, rbx
        xor      edi, edi
 						;; size=8 bbWeight=0.50 PerfScore 0.88
-G_M63691_IG19:
+G_M63691_IG17:
        mov      bword ptr [r14], rbx
        mov      dword ptr [r14+0x08], edi
        mov      rdi, r12
        mov      rax, 0xD1FFAB1E      ; code for System.String:Substring(int):System.String:this
        call     [rax]System.String:Substring(int):System.String:this
        mov      rsi, rax
        mov      rdi, r13
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        mov      eax, 1
 						;; size=38 bbWeight=0.50 PerfScore 3.62
-G_M63691_IG20:
+G_M63691_IG18:
        add      rsp, 40
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M63691_IG21:
+G_M63691_IG19:
        mov      rdi, rbx
        mov      edx, r12d
        xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.String:ThrowSubstringArgumentOutOfRange(int,int):this
        call     [rax]System.String:ThrowSubstringArgumentOutOfRange(int,int):this
        int3     
 						;; size=21 bbWeight=0 PerfScore 0.00
-G_M63691_IG22:
+G_M63691_IG20:
        mov      edi, 33
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 486, prolog size 19, PerfScore 63.62, instruction count 144, allocated bytes for code 486 (MethodHash=76dc0734) for method System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
+; Total bytes of code 490, prolog size 19, PerfScore 62.50, instruction count 143, allocated bytes for code 490 (MethodHash=76dc0734) for method System.Web.Util.UriUtil:TrySplitUriForPathEncode(System.String,byref,byref,byref):bool (FullOpts)
 ; ============================================================

2 (0.40 % of base) - System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this

 ; Assembly listing for method System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 8 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] ( 11,  7   )   byref  ->  rbx         this single-def
 ;  V01 RetBuf       [V01,T01] (  7,  5   )    long  ->  r15         single-def
 ;  V02 arg1         [V02,T04] (  3,  2.50)   ubyte  ->  rdx         single-def
 ;  V03 arg2         [V03,T03] (  4,  3   )     ref  ->  r13         class-hnd single-def <System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;  V04 arg3         [V04,T02] (  6,  4   )   byref  ->  r14         single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SF] ld-addr-op <System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]>
 ;  V06 loc1         [V06,T17] (  3,  1.50)     int  ->  rax        
 ;* V07 loc2         [V07    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Nullable`1[int]>
 ;* V08 loc3         [V08    ] (  0,  0   )  struct (24) zero-ref    do-not-enreg[S] ld-addr-op <System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]>
 ;  V09 loc4         [V09,T19] (  2,  1   )     int  ->  rsi        
 ;# V10 OutArgs      [V10    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V11 tmp1         [V11,T13] (  2,  2   )  struct (16) [rbp-0x38]  do-not-enreg[S] "non-inline candidate call" <System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]>
 ;  V12 tmp2         [V12,T07] (  3,  3   )  struct (24) [rbp-0x50]  do-not-enreg[SF] must-init ld-addr-op "NewObj constructor temp" <System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]>
 ;  V13 tmp3         [V13,T14] (  2,  2   )  struct (16) [rbp-0x60]  do-not-enreg[S] "non-inline candidate call" <System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]>
 ;  V14 tmp4         [V14,T08] (  3,  3   )  struct (24) [rbp-0x78]  do-not-enreg[SF] must-init ld-addr-op "NewObj constructor temp" <System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]>
 ;* V15 tmp5         [V15    ] (  0,  0   )  struct ( 8) zero-ref    "Inlining Arg" <System.Nullable`1[int]>
 ;* V16 tmp6         [V16    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V17 tmp7         [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V18 tmp8         [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V19 tmp9         [V19    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;  V20 tmp10        [V20,T11] (  2,  2   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V21 tmp11        [V21    ] (  0,  0   )   byref  ->  zero-ref   
 ;  V22 tmp12        [V22,T09] (  4,  2   )     ref  ->  rax        
 ;  V23 tmp13        [V23,T06] (  3,  3   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V24 tmp14        [V24    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] "Inlining Arg" <System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]>
 ;  V25 tmp15        [V25,T12] (  2,  2   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]>
 ;* V26 tmp16        [V26    ] (  0,  0   )   byref  ->  zero-ref   
 ;  V27 tmp17        [V27,T10] (  4,  2   )     ref  ->  rax        
 ;  V28 tmp18        [V28,T05] (  2,  4   )   byref  ->  rax         single-def "Single return block return value"
 ;* V29 tmp19        [V29    ] (  0,  0   )   ubyte  ->  zero-ref    "field V07.hasValue (fldOffset=0x0)" P-INDEP
 ;* V30 tmp20        [V30    ] (  0,  0   )     int  ->  zero-ref    "field V07.value (fldOffset=0x4)" P-INDEP
 ;* V31 tmp21        [V31    ] (  0,  0   )   ubyte  ->  zero-ref    "field V15.hasValue (fldOffset=0x0)" P-INDEP
 ;* V32 tmp22        [V32    ] (  0,  0   )     int  ->  zero-ref    "field V15.value (fldOffset=0x4)" P-INDEP
 ;  V33 tmp23        [V33,T18] (  3,  1.50)   ubyte  ->  r12         "V05.[000..001)"
 ;* V34 tmp24        [V34    ] (  0,  0   )   ubyte  ->  zero-ref    "V05.[004..005)"
 ;* V35 tmp25        [V35    ] (  0,  0   )     int  ->  zero-ref    "V05.[008..012)"
 ;* V36 tmp26        [V36    ] (  0,  0   )     ref  ->  zero-ref    single-def "V12.[000..008)"
 ;* V37 tmp27        [V37    ] (  0,  0   )     ref  ->  zero-ref    single-def "V14.[000..008)"
 ;* V38 tmp28        [V38    ] (  0,  0   )   ubyte  ->  zero-ref    "V24.[000..001)"
 ;* V39 tmp29        [V39    ] (  0,  0   )   ubyte  ->  zero-ref    "V24.[004..005)"
 ;* V40 tmp30        [V40    ] (  0,  0   )     int  ->  zero-ref    "V24.[008..012)"
 ;  V41 cse0         [V41,T15] (  3,  1.50)     ref  ->  rdi         "CSE #02: moderate"
 ;  V42 cse1         [V42,T16] (  3,  1.50)     ref  ->  rdi         "CSE #03: moderate"
 ;
 ; Lcl frame size = 88
 
 G_M60376_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 88
        lea      rbp, [rsp+0x80]
        xor      eax, eax
        mov      qword ptr [rbp-0x78], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqu  ymmword ptr [rbp-0x70], ymm8
        vmovdqa  xmmword ptr [rbp-0x50], xmm8
        mov      qword ptr [rbp-0x40], rax
        mov      rbx, rdi
        mov      r15, rsi
        mov      r13, rcx
        mov      r14, r8
 						;; size=59 bbWeight=1 PerfScore 12.33
 G_M60376_IG02:
        cmp      gword ptr [rbx], 0
        je       G_M60376_IG14
 						;; size=10 bbWeight=1 PerfScore 3.00
 G_M60376_IG03:
        movzx    r12, dl
        mov      rsi, qword ptr [rbx+0x08]
        mov      edx, dword ptr [rbx+0x10]
        xor      r8d, r8d
        mov      ecx, r12d
        mov      rdi, r13
        mov      r11, 0xD1FFAB1E      ; code for System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:Equals(System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]],System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]):bool:this
        call     [r11]System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:Equals(System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]],System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]):bool:this
        test     eax, eax
        jne      G_M60376_IG08
        mov      rdi, gword ptr [rbx]
        mov      r8d, dword ptr [rdi+0x18]
        xor      edx, edx
        mov      esi, r12d
        mov      r9, r13
        xor      ecx, ecx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:IndexOf(System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]],int,int,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]):int:this
        call     [rax]System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:IndexOf(System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]],int,int,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]):int:this
        test     eax, eax
        jl       G_M60376_IG14
        mov      dword ptr [r14], 1
        mov      rdi, qword ptr [rbx+0x08]
        mov      qword ptr [rbp-0x38], rdi
        mov      edi, dword ptr [rbx+0x10]
        mov      dword ptr [rbp-0x30], edi
        mov      rdi, gword ptr [rbx]
        mov      esi, eax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:RemoveAt(int):System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:RemoveAt(int):System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:this
        mov      rdi, qword ptr [rbp-0x38]
        mov      qword ptr [rbp-0x48], rdi
        mov      edi, dword ptr [rbp-0x30]
        mov      dword ptr [rbp-0x40], edi
        test     rax, rax
        jne      SHORT G_M60376_IG05
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       G_M60376_IG19
 						;; size=156 bbWeight=0.50 PerfScore 21.00
 G_M60376_IG04:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:EmptyNode
        mov      rax, gword ptr [rdi]
 						;; size=13 bbWeight=0.50 PerfScore 1.12
 G_M60376_IG05:
        mov      gword ptr [rbp-0x50], rax
 						;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M60376_IG06:
        vmovdqu  xmm0, xmmword ptr [rbp-0x50]
        vmovdqu  xmmword ptr [r15], xmm0
        mov      rdi, qword ptr [rbp-0x40]
        mov      qword ptr [r15+0x10], rdi
 						;; size=18 bbWeight=0.50 PerfScore 2.00
 G_M60376_IG07:
        jmp      G_M60376_IG16
 						;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M60376_IG08:
        mov      rdi, gword ptr [rbx]
        mov      rdi, gword ptr [rdi+0x08]
        test     rdi, rdi
        je       SHORT G_M60376_IG13
        mov      esi, dword ptr [rdi+0x18]
        mov      dword ptr [r14], 1
        mov      rdi, gword ptr [rbx]
        mov      rax, qword ptr [rdi+0x20]
        mov      qword ptr [rbp-0x60], rax
        mov      eax, dword ptr [rdi+0x28]
        mov      dword ptr [rbp-0x58], eax
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:RemoveAt(int):System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:this
        call     [rax]System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:RemoveAt(int):System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:this
        mov      rdi, qword ptr [rbp-0x60]
        mov      qword ptr [rbp-0x70], rdi
        mov      edi, dword ptr [rbp-0x58]
        mov      dword ptr [rbp-0x68], edi
        test     rax, rax
        jne      SHORT G_M60376_IG10
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       SHORT G_M60376_IG18
 						;; size=85 bbWeight=0.50 PerfScore 14.00
 G_M60376_IG09:
        mov      rax, 0xD1FFAB1E      ; data for System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]:EmptyNode
        mov      rax, gword ptr [rax]
 						;; size=13 bbWeight=0.50 PerfScore 1.12
 G_M60376_IG10:
        mov      gword ptr [rbp-0x78], rax
 						;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M60376_IG11:
        vmovdqu  xmm0, xmmword ptr [rbp-0x78]
        vmovdqu  xmmword ptr [r15], xmm0
        mov      rax, qword ptr [rbp-0x68]
        mov      qword ptr [r15+0x10], rax
 						;; size=18 bbWeight=0.50 PerfScore 2.00
 G_M60376_IG12:
        jmp      SHORT G_M60376_IG16
 						;; size=2 bbWeight=0.50 PerfScore 1.00
 G_M60376_IG13:
        mov      dword ptr [r14], 1
-       xor      eax, eax
-       mov      qword ptr [r15], rax
-       mov      qword ptr [r15+0x08], rax
-       mov      qword ptr [r15+0x10], rax
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [r15], xmm0
+       vmovdqu  xmmword ptr [r15+0x08], xmm0
        jmp      SHORT G_M60376_IG16
-						;; size=22 bbWeight=0.50 PerfScore 3.12
+						;; size=24 bbWeight=0.50 PerfScore 2.67
 G_M60376_IG14:
        mov      dword ptr [r14], 2
 						;; size=7 bbWeight=0.50 PerfScore 0.50
 G_M60376_IG15:
        vmovdqu  xmm0, xmmword ptr [rbx]
        vmovdqu  xmmword ptr [r15], xmm0
        mov      rax, qword ptr [rbx+0x10]
        mov      qword ptr [r15+0x10], rax
 						;; size=17 bbWeight=0.50 PerfScore 3.00
 G_M60376_IG16:
        mov      rax, r15
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M60376_IG17:
        add      rsp, 88
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M60376_IG18:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M60376_IG09
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M60376_IG19:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Immutable.ImmutableList`1+Node[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      G_M60376_IG04
 						;; size=27 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 502, prolog size 47, PerfScore 70.71, instruction count 125, allocated bytes for code 502 (MethodHash=363d1427) for method System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this (FullOpts)
+; Total bytes of code 504, prolog size 47, PerfScore 70.25, instruction count 124, allocated bytes for code 504 (MethodHash=363d1427) for method System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:Remove(byte,System.Collections.Generic.IEqualityComparer`1[System.Collections.Generic.KeyValuePair`2[byte,System.Nullable`1[int]]],byref):System.Collections.Immutable.ImmutableDictionary`2+HashBucket[byte,System.Nullable`1[int]]:this (FullOpts)
 ; ============================================================

Larger list of diffs: https://gist.github.com/MihuBot/6d4c8c64a372acb4820c6185e3fdb189

[MihuBot]

Top method improvements

-23 (-62.16 % of base) - System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this

 ; Assembly listing for method System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <System.Security.Cryptography.DSACng>
 ;  V01 RetBuf       [V01,T00] (  4,  4   )    long  ->  rsi         single-def
 ;* V02 arg1         [V02    ] (  0,  0   )   ubyte  ->  zero-ref    single-def
 ;* V03 loc0         [V03    ] (  0,  0   )  struct (64) zero-ref    do-not-enreg[S] ld-addr-op <System.Security.Cryptography.DSAParameters>
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M64679_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M64679_IG02:
-       xor      eax, eax
-       mov      qword ptr [rsi], rax
-       mov      qword ptr [rsi+0x08], rax
-       mov      qword ptr [rsi+0x10], rax
-       mov      qword ptr [rsi+0x18], rax
-       mov      qword ptr [rsi+0x20], rax
-       mov      qword ptr [rsi+0x28], rax
-       mov      qword ptr [rsi+0x30], rax
-       mov      qword ptr [rsi+0x38], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rsi], zmm0
        mov      rax, rsi
-						;; size=36 bbWeight=1 PerfScore 8.50
+						;; size=13 bbWeight=1 PerfScore 2.58
 G_M64679_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 37, prolog size 0, PerfScore 9.50, instruction count 11, allocated bytes for code 37 (MethodHash=fc770358) for method System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this (FullOpts)
+; Total bytes of code 14, prolog size 0, PerfScore 3.58, instruction count 4, allocated bytes for code 14 (MethodHash=fc770358) for method System.Security.Cryptography.DSACng:ExportParameters(bool):System.Security.Cryptography.DSAParameters:this (FullOpts)
 ; ============================================================

-23 (-62.16 % of base) - System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this

 ; Assembly listing for method System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <System.Security.Cryptography.RSACng>
 ;  V01 RetBuf       [V01,T00] (  4,  4   )    long  ->  rsi         single-def
 ;* V02 arg1         [V02    ] (  0,  0   )   ubyte  ->  zero-ref    single-def
 ;* V03 loc0         [V03    ] (  0,  0   )  struct (64) zero-ref    do-not-enreg[S] ld-addr-op <System.Security.Cryptography.RSAParameters>
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M3943_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M3943_IG02:
-       xor      eax, eax
-       mov      qword ptr [rsi], rax
-       mov      qword ptr [rsi+0x08], rax
-       mov      qword ptr [rsi+0x10], rax
-       mov      qword ptr [rsi+0x18], rax
-       mov      qword ptr [rsi+0x20], rax
-       mov      qword ptr [rsi+0x28], rax
-       mov      qword ptr [rsi+0x30], rax
-       mov      qword ptr [rsi+0x38], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rsi], zmm0
        mov      rax, rsi
-						;; size=36 bbWeight=1 PerfScore 8.50
+						;; size=13 bbWeight=1 PerfScore 2.58
 G_M3943_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 37, prolog size 0, PerfScore 9.50, instruction count 11, allocated bytes for code 37 (MethodHash=27fff098) for method System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this (FullOpts)
+; Total bytes of code 14, prolog size 0, PerfScore 3.58, instruction count 4, allocated bytes for code 14 (MethodHash=27fff098) for method System.Security.Cryptography.RSACng:ExportParameters(bool):System.Security.Cryptography.RSAParameters:this (FullOpts)
 ; ============================================================

-12 (-6.90 % of base) - Microsoft.Extensions.Logging.Logger+LoggerDebugView:g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger]

 ; Assembly listing for method Microsoft.Extensions.Logging.Logger+LoggerDebugView:<get_Providers>g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T04] (  6,  4.50)    long  ->  rdi         single-def
 ;  V01 arg0         [V01,T05] (  5,  4   )     ref  ->  rsi         class-hnd single-def <Microsoft.Extensions.Logging.MessageLogger[]>
 ;  V02 arg1         [V02,T02] (  4,  6.50)     ref  ->  rdx         class-hnd single-def <Microsoft.Extensions.Logging.ILogger>
 ;* V03 loc0         [V03    ] (  0,  0   )  struct (48) zero-ref    do-not-enreg[S] ld-addr-op <System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger]>
 ;  V04 loc1         [V04,T07] (  2,  4.50)     ref  ->  rsi         class-hnd exact single-def <Microsoft.Extensions.Logging.MessageLogger[]>
 ;* V05 loc2         [V05,T10] (  0,  0   )     int  ->  zero-ref   
 ;  V06 loc3         [V06,T08] (  2,  4.50)  struct (40) [rbp-0x28]  do-not-enreg[SF] must-init ld-addr-op <Microsoft.Extensions.Logging.MessageLogger>
 ;# V07 OutArgs      [V07    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V08 tmp1         [V08,T09] (  3,  3   )  struct (48) [rbp-0x58]  do-not-enreg[SF] must-init ld-addr-op "NewObj constructor temp" <System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger]>
 ;* V09 tmp2         [V09    ] (  0,  0   )  struct (40) zero-ref    do-not-enreg[S] "Inlining Arg" <Microsoft.Extensions.Logging.MessageLogger>
 ;  V10 tmp3         [V10,T03] (  2,  8   )     ref  ->   r9         "V06.[000..008)"
 ;* V11 tmp4         [V11    ] (  0,  0   )   ubyte  ->  zero-ref    "V08.[000..001)"
 ;* V12 tmp5         [V12    ] (  0,  0   )     ref  ->  zero-ref    single-def "V08.[008..016)"
 ;  V13 tmp6         [V13,T00] (  3, 24   )   byref  ->   r8         "Spilling address for field-by-field copy"
 ;  V14 cse0         [V14,T06] (  3,  5   )     int  ->  rax         "CSE #01: aggressive"
 ;  V15 rat0         [V15,T01] (  5, 16.50)    long  ->  rcx         "Widened IV V05"
 ;
 ; Lcl frame size = 96
 
 G_M56594_IG01:
        push     rbp
        sub      rsp, 96
        lea      rbp, [rsp+0x60]
        xor      eax, eax
        mov      qword ptr [rbp-0x58], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqu32 zmmword ptr [rbp-0x50], zmm8
        vmovdqa  xmmword ptr [rbp-0x10], xmm8
 						;; size=36 bbWeight=1 PerfScore 6.33
 G_M56594_IG02:
        test     rsi, rsi
        je       SHORT G_M56594_IG07
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M56594_IG03:
        mov      eax, dword ptr [rsi+0x08]
        test     eax, eax
        je       SHORT G_M56594_IG07
        xor      ecx, ecx
        align    [0 bytes for IG04]
 						;; size=9 bbWeight=0.50 PerfScore 1.75
 G_M56594_IG04:
        lea      r8, [rcx+4*rcx]
        lea      r8, bword ptr [rsi+8*r8+0x10]
        mov      r9, gword ptr [r8]
 						;; size=12 bbWeight=4 PerfScore 14.00
 G_M56594_IG05:
        vmovdqu  ymm0, ymmword ptr [r8]
        vmovdqu  ymmword ptr [rbp-0x28], ymm0
        mov      r10, qword ptr [r8+0x20]
        mov      qword ptr [rbp-0x08], r10
 						;; size=18 bbWeight=4 PerfScore 28.00
 G_M56594_IG06:
        cmp      r9, rdx
        je       SHORT G_M56594_IG08
        inc      ecx
        cmp      eax, ecx
        jg       SHORT G_M56594_IG04
 						;; size=11 bbWeight=4 PerfScore 11.00
 G_M56594_IG07:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       mov      qword ptr [rdi+0x10], rax
-       mov      qword ptr [rdi+0x18], rax
-       mov      qword ptr [rdi+0x20], rax
-       mov      qword ptr [rdi+0x28], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu  ymmword ptr [rdi], ymm0
+       vmovdqu  xmmword ptr [rdi+0x20], xmm0
        jmp      SHORT G_M56594_IG12
-						;; size=27 bbWeight=0.50 PerfScore 4.12
+						;; size=15 bbWeight=0.50 PerfScore 2.17
 G_M56594_IG08:
        vmovdqu  ymm0, ymmword ptr [rbp-0x28]
        vmovdqu  ymmword ptr [rbp-0x50], ymm0
        mov      rax, qword ptr [rbp-0x08]
        mov      qword ptr [rbp-0x30], rax
 						;; size=18 bbWeight=0.50 PerfScore 2.50
 G_M56594_IG09:
        mov      gword ptr [rbp-0x50], rdx
 						;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M56594_IG10:
        vmovdqu  ymm0, ymmword ptr [rbp-0x58]
        vmovdqu  ymmword ptr [rdi], ymm0
        vmovdqu  xmm0, xmmword ptr [rbp-0x38]
        vmovdqu  xmmword ptr [rdi+0x20], xmm0
 						;; size=19 bbWeight=0.50 PerfScore 2.50
 G_M56594_IG11:
        mov      byte  ptr [rdi], 1
 						;; size=3 bbWeight=0.50 PerfScore 0.50
 G_M56594_IG12:
        mov      rax, rdi
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M56594_IG13:
        vzeroupper 
        add      rsp, 96
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 
-; Total bytes of code 174, prolog size 36, PerfScore 75.46, instruction count 50, allocated bytes for code 174 (MethodHash=c25d22ed) for method Microsoft.Extensions.Logging.Logger+LoggerDebugView:<get_Providers>g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger] (FullOpts)
+; Total bytes of code 162, prolog size 36, PerfScore 73.50, instruction count 46, allocated bytes for code 162 (MethodHash=c25d22ed) for method Microsoft.Extensions.Logging.Logger+LoggerDebugView:<get_Providers>g__FirstOrNull|5_0(Microsoft.Extensions.Logging.MessageLogger[],Microsoft.Extensions.Logging.ILogger):System.Nullable`1[Microsoft.Extensions.Logging.MessageLogger] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M135_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M135_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M135_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=4f29ff78) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=4f29ff78) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M55399_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M55399_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M55399_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=6ca12798) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=6ca12798) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[double]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M28359_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M28359_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M28359_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=028e9138) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=028e9138) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[int]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M9863_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M9863_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M9863_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=0498d978) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=0498d978) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[long]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M59911_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M59911_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M59911_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=aa1215f8) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=aa1215f8) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[short]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 TypeCtx      [V01    ] (  0,  0   )    long  ->  zero-ref    single-def
 ;* V02 loc0         [V02    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M25735_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M25735_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M25735_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=cc6a9b78) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=cc6a9b78) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M15559_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M15559_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M15559_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=7bf7c338) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=7bf7c338) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]

 ; Assembly listing for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M61703_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M61703_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M61703_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=abb70ef8) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=abb70ef8) for method System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]]:get_Empty():System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte]

 ; Assembly listing for method System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.TensorSpan`1[byte]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M7495_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M7495_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M7495_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=948ee2b8) for method System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=948ee2b8) for method System.Numerics.Tensors.TensorSpan`1[byte]:get_Empty():System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
 ; ============================================================

-12 (-33.33 % of base) - System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double]

 ; Assembly listing for method System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  4,  4   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (120) zero-ref    do-not-enreg[S] ld-addr-op <System.Numerics.Tensors.TensorSpan`1[double]>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;
 ; Lcl frame size = 0
 
 G_M9383_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M9383_IG02:
-       xor      eax, eax
-       mov      qword ptr [rdi], rax
-       mov      qword ptr [rdi+0x08], rax
-       vxorps   xmm0, xmm0, xmm0
-       vmovdqu32 zmmword ptr [rdi+0x10], zmm0
-       vmovdqu  ymmword ptr [rdi+0x50], ymm0
-       mov      qword ptr [rdi+0x70], rax
+       vxorps   ymm0, ymm0, ymm0
+       vmovdqu32 zmmword ptr [rdi], zmm0
+       vmovdqu32 zmmword ptr [rdi+0x38], zmm0
        mov      rax, rdi
-						;; size=35 bbWeight=1 PerfScore 6.83
+						;; size=23 bbWeight=1 PerfScore 4.58
 G_M9383_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 36, prolog size 0, PerfScore 7.83, instruction count 9, allocated bytes for code 36 (MethodHash=7da9db58) for method System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
+; Total bytes of code 24, prolog size 0, PerfScore 5.58, instruction count 5, allocated bytes for code 24 (MethodHash=7da9db58) for method System.Numerics.Tensors.TensorSpan`1[double]:get_Empty():System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
 ; ============================================================

Note: some changes were skipped as they were too large to fit into a comment.

Larger list of diffs: https://gist.github.com/MihuBot/b736561eaa0c4e5aec6d4494066c7599

[MihuBot]

@MihaZupan