KVM testing on Arch Linux via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2108151-IB-2108153IB00.
~/results.benchProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem LayerRegular CPU setup I always do.With kvm default cpu layoutIntel Core (4 Cores / 8 Threads)QEMU Standard PC (Q35 + ICH9 2009) (0.0.0 BIOS)Intel 82G33/G31/P35/P31 + ICH98GB20GBRed Hat QXL paravirtual graphic cardQEMU GenericRed Hat Virtio deviceArch Linux5.13.10-arch1-1 (x86_64)GCC 11.1.0btrfs1024x768KVM8 x Intel Core (Haswell no TSX IBRS) (8 Cores)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu Processor Details- CPU Microcode: 0x1Security Details- Regular CPU setup I always do.: itlb_multihit: Not affected + l1tf: Mitigation of PTE Inversion; VMX: flush not necessary SMT vulnerable + mds: Mitigation of Clear buffers; SMT Host state unknown + meltdown: Mitigation of PTI + 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 generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Unknown: Dependent on hypervisor status + tsx_async_abort: Not affected - With kvm default cpu layout: itlb_multihit: Not affected + l1tf: Mitigation of PTE Inversion; VMX: flush not necessary SMT disabled + mds: Mitigation of Clear buffers; SMT Host state unknown + meltdown: Mitigation of PTI + 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 generic retpoline IBPB: conditional IBRS_FW STIBP: disabled RSB filling + srbds: Unknown: Dependent on hypervisor status + tsx_async_abort: Not affected
~/results.benchbuild-linux-kernel: Time To CompileDifferenceStandard ErrorStandard DeviationRegular CPU setup I always do.With kvm default cpu layout290.2861.00x1.841.10%290.3231.00x1.390.83%OpenBenchmarking.org
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 5.10.20Time To CompileRegular CPU setup I always do.With kvm default cpu layout60120180240300SE +/- 1.84, N = 3SE +/- 1.39, N = 3290.29290.32
Phoronix Test Suite v10.8.4