KVM testing on CentOS Linux 8 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2111259-IB-TESTSTOCK73.
test-stockfishProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem Layer2 x Intel Xeon4 x Intel Xeon2 x Intel Xeon (Cascadelake) (2 Cores / 4 Threads)QEMU Standard PC (i440FX + PIIX 1996) (1.13.0-1ubuntu1.1 BIOS)Intel 440FX 82441FX PMC1 x 8 GB RAM QEMU215GB QEMU HDDCirrus Logic GD 54462 x Red Hat Virtio deviceCentOS Linux 84.18.0-240.el8.x86_64 (x86_64)GCC 8.5.0 20210514xfs1024x768KVM4 x Intel Xeon (Cascadelake) (4 Cores)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: alwaysCompiler Details- --build=x86_64-redhat-linux --disable-libmpx --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,lto --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver Processor Details- CPU Microcode: 0x1Security Details- itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected
test-stockfishstockfish: Total TimeDifferenceStandard ErrorStandard Deviation2 x Intel Xeon4 x Intel Xeon63021951.00x46570.731.28%69075861.10x40937.631.03%OpenBenchmarking.org
OpenBenchmarking.orgNodes Per Second, More Is BetterStockfish 13Total Time2 x Intel Xeon4 x Intel Xeon1.5M3M4.5M6M7.5MSE +/- 23285.36, N = 3SE +/- 40937.63, N = 3650405369075861. (CXX) g++ options: -lgcov -m64 -lpthread -fno-exceptions -std=c++17 -fprofile-use -fno-peel-loops -fno-tracer -pedantic -O3 -msse -msse3 -mpopcnt -mavx2 -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -msse4.1 -mssse3 -msse2 -mbmi2 -flto -flto=jobserver
Phoronix Test Suite v10.8.4