Merge pull request #229 from 404Setup/bolt/avx2-offset5-1225911123532623525

⚡ Bolt: Optimize decompression for offset 5 using AVX2

Author: 404Setup

bench_output.txt

@@ -0,0 +1,13 @@
+    Finished `bench` profile [optimized] target(s) in 0.06s
+     Running benches/bench_main.rs (target/release/deps/bench_main-c40c548458fc7066)
+Gnuplot not found, using plotters backend
+Benchmarking Decompress offset5/libdeflate-rs offset5
+Benchmarking Decompress offset5/libdeflate-rs offset5: Warming up for 3.0000 s
+Benchmarking Decompress offset5/libdeflate-rs offset5: Collecting 100 samples in estimated 5.2872 s (56k iterations)
+Benchmarking Decompress offset5/libdeflate-rs offset5: Analyzing
+Decompress offset5/libdeflate-rs offset5
+                        time:   [94.263 µs 94.473 µs 94.704 µs]
+                        thrpt:  [10.312 GiB/s 10.337 GiB/s 10.360 GiB/s]
+Found 13 outliers among 100 measurements (13.00%)
+  5 (5.00%) high mild
+  8 (8.00%) high severe

bench_result.txt

@@ -0,0 +1,34 @@
+warning: unused import: `HUFFDEC_END_OF_BLOCK`
+ --> src/decompress/x86.rs:3:5
+  |
+3 |     HUFFDEC_END_OF_BLOCK, HUFFDEC_EXCEPTIONAL, HUFFDEC_LITERAL, HUFFDEC_SUBTABLE_POINTER,
+  |     ^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
+
+warning: constant `OFFSET12_MASKS` is never used
+  --> src/decompress/x86.rs:70:7
+   |
+70 | const OFFSET12_MASKS: [u8; 48] = [
+   |       ^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
+
+warning: constant `OFFSET10_MASKS` is never used
+  --> src/decompress/x86.rs:76:7
+   |
+76 | const OFFSET10_MASKS: [u8; 80] = [
+   |       ^^^^^^^^^^^^^^
+
+warning: constant `OFFSET14_MASKS` is never used
+   --> src/decompress/x86.rs:106:7
+    |
+106 | const OFFSET14_MASKS: [u8; 112] = [
+    |       ^^^^^^^^^^^^^^
+
+warning: `libdeflate` (lib) generated 4 warnings (run `cargo fix --lib -p libdeflate` to apply 1 suggestion)
+    Finished `bench` profile [optimized] target(s) in 0.08s
+     Running benches/bench_main.rs (target/release/deps/bench_main-c40c548458fc7066)
+Gnuplot not found, using plotters backend
+Benchmarking Decompress offset5/libdeflate-rs offset5
+Benchmarking Decompress offset5/libdeflate-rs offset5: Warming up for 3.0000 s