In my laptop(4cores/8hyperthreads), the L1 speed is about 795GB/s. far slower than the speed of the book.
My environment:
Ubuntu 20.04, gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0, openmpi 4.0.7(compiled from source and install to /home/lili/soft/localinstall with --prefix)
my configure:
# Linux workstation, MPI and OpenMP (8-core Intel Xeon CPU E5530, 2.40 GHz)
ERT_RESULTS Results.madonna.lbl.gov.01
ERT_DRIVER driver1
ERT_KERNEL kernel1
ERT_MPI True
ERT_MPI_CFLAGS
ERT_MPI_LDFLAGS
ERT_OPENMP True
ERT_OPENMP_CFLAGS -fopenmp
ERT_OPENMP_LDFLAGS -fopenmp
ERT_FLOPS 1,2,4,8,16
ERT_ALIGN 32
ERT_CC /home/lili/soft/localinstall/bin/mpic++
ERT_CFLAGS -O3 -march=native -msse3 -mavx2 -fpermissive -fstrict-aliasing -ftree-vectorize
ERT_LD /home/lili/soft/localinstall/bin/mpic++
ERT_LDFLAGS
ERT_LDLIBS
ERT_PRECISION FP64
ERT_RUN export OMP_NUM_THREADS=ERT_OPENMP_THREADS; /home/lili/soft/localinstall/bin/mpirun -np ERT_MPI_PROCS ERT_CODE
ERT_PROCS_THREADS 1-8
ERT_MPI_PROCS 1,2,4
ERT_OPENMP_THREADS 1,2,4,8
ERT_NUM_EXPERIMENTS 3
ERT_MEMORY_MAX 1073741824
ERT_WORKING_SET_MIN 1
ERT_TRIALS_MIN 1
ERT_GNUPLOT gnuplot
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 39 bits physical, 48 bits virtual
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 2
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 158
Model name: Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
Stepping: 9
CPU MHz: 1469.562
CPU max MHz: 3900.0000
CPU min MHz: 800.0000
BogoMIPS: 5799.77
Virtualization: VT-x
L1d cache: 128 KiB
L1i cache: 128 KiB
L2 cache: 1 MiB
L3 cache: 8 MiB
NUMA node0 CPU(s): 0-7
Vulnerability Gather data sampling: Mitigation; Microcode
Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages
Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown: Mitigation; PTI
Vulnerability Mmio stale data: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Retbleed: Mitigation; IBRS
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; IBRS, IBPB conditional, STIBP conditional, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds: Mitigation; Microcode
Vulnerability Tsx async abort: Mitigation; Clear CPU buffers; SMT vulnerable
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse
2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopolog
y nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xt
pr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3
dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpi
d ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt inte
l_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clea
r flush_l1d arch_capabilities
In my laptop(4cores/8hyperthreads), the L1 speed is about 795GB/s. far slower than the speed of the book.
My environment:
Ubuntu 20.04, gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0, openmpi 4.0.7(compiled from source and install to /home/lili/soft/localinstall with --prefix)
my configure: