KVM testing on CentOS 7.4.1708 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2008106-NE-SMALLPTTE04.
SmallpttestProcessorMotherboardMemoryDiskGraphicsOSKernelCompilerFile-SystemScreen ResolutionSystem LayerSmallpttestIntel Xeon Gold 6278C (1 Core / 2 Threads)OpenStack Foundation Nova (rel-1.10.2-0-g5f4c7b1-20181220_000000-szxrtosci10000 BIOS)1 x 4096 MB RAM QEMU40GBcirrusdrmfbCentOS 7.4.17083.10.0-1062.12.1.el7.x86_64 (x86_64)GCC 4.8.5 20150623ext41024x768KVMOpenBenchmarking.org- --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic - CPU Microcode: 0x1- itlb_multihit: vulnerable + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Vulnerable IBPB + tsx_async_abort: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown
Smallpttestsmallpt: Global Illumination Renderer; 128 SamplesStandard ErrorStandard DeviationSmallpttest131.4890.160.21%OpenBenchmarking.org
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesSmallpttest306090120150SE +/- 0.16, N = 3131.491. (CXX) g++ options: -fopenmp -O3
Phoronix Test Suite v10.8.4