KVM QEMU testing on Ubuntu 22.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2501107-NE-CPURENDER26&rdt.
cpu-renderingProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelVulkanCompilerFile-SystemScreen ResolutionSystem Layer8 x QEMU Virtual 1.5.38 x QEMU Virtual 2.58 x QEMU Virtual 1.5.3 (8 Cores)Red Hat KVM (0.5.1 BIOS)Intel 440FX 82441FX PMC1 x 16 GB RAM54GB QEMU HDDCirrus Logic GD 5446Realtek RTL-8100/8101L/8139Ubuntu 22.045.15.0-60-generic (x86_64)1.3.255GCC 11.4.0ext41024x768KVM QEMU 1.5.38 x QEMU Virtual 2.5+ (8 Cores)QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS)1 x 16 GB RAM QEMU5.15.0-130-generic (x86_64)KVM QEMUOpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --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++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-gcn/usr --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-build-config=bootstrap-lto-lean --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: 0x1Security Details- 8 x QEMU Virtual 1.5.3: itlb_multihit: KVM: Mitigation of VMX unsupported + l1tf: Mitigation of PTE Inversion + mds: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + retbleed: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected - 8 x QEMU Virtual 2.5: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX unsupported + l1tf: Mitigation of PTE Inversion + mds: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Retpoline + srbds: Not affected + tsx_async_abort: Not affected
cpu-renderingsmallpt: Global Illumination Renderer; 128 SamplesDifferenceStandard ErrorStandard Deviation8 x QEMU Virtual 1.5.38 x QEMU Virtual 2.533.5501.00x0.100.51%29.6711.12x0.341.98%OpenBenchmarking.org
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 Samples8 x QEMU Virtual 1.5.38 x QEMU Virtual 2.5816243240SE +/- 0.10, N = 3SE +/- 0.34, N = 333.5529.671. (CXX) g++ options: -fopenmp -O3
Phoronix Test Suite v10.8.5