KVM testing on Ubuntu 20.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2107278-IB-2107270IB87.
benchmark-smallptProcessorMotherboardChipsetMemoryDiskNetworkOSKernelCompilerFile-SystemSystem LayerC5a.24XL-1C5a.24XL-2AMD EPYC 7R32 (48 Cores / 96 Threads)Amazon EC2 c5a.24xlarge (1.0 BIOS)Intel 440FX 82441FX PMC1 x 192 GB DDR4-2933MT/s107GB Amazon Elastic Block StoreAmazon ElasticUbuntu 20.045.8.0-1041-aws (x86_64)GCC 9.3.0ext4KVMOpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v Processor Details- CPU Microcode: 0x8301034Security 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 Full AMD retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected
benchmark-smallptsmallpt: Global Illumination Renderer; 128 SamplesDifferenceStandard ErrorStandard DeviationC5a.24XL-1C5a.24XL-22.4641.02x0.022.40%2.5151.00x0.069.54%OpenBenchmarking.org
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesC5a.24XL-1C5a.24XL-20.56591.13181.69772.26362.8295SE +/- 0.021, N = 8SE +/- 0.064, N = 142.4642.5151. (CXX) g++ options: -fopenmp -O3
Phoronix Test Suite v10.8.4