KVM testing on Ubuntu 22.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2402056-NE-TESTEAUDI59&grs.

testeaudioubuntuserverProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerCompilerFile-SystemScreen ResolutionSystem Layer8 x Intel Xeon E5-2620 v48 x Intel Xeon E5-2620 v4 (16 Cores)QEMU Standard PC (Q35 + ICH9 2009) (1.15.0-1 BIOS)Intel 82G33/G31/P35/P31 + ICH98GB39GBRed Hat QXL paravirtual graphic cardQEMU GenericRed Hat Virtio deviceUbuntu (x86_64)GNOME Shell 42.9X Server + WaylandGCC 11.4.0ext41024x768KVMOpenBenchmarking.org- Transparent Huge Pages: madvise- --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 - CPU Microcode: 0xb000040- Python 3.10.12- gather_data_sampling: Not affected + 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 + mmio_stale_data: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + retbleed: Not affected + spec_rstack_overflow: 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 Retpolines IBPB: conditional IBRS_FW STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Mitigation of Clear buffers; SMT Host state unknown

testeaudioubuntuserverencode-wavpack: WAV To WavPackencode-mp3: WAV To MP3encode-flac: WAV To FLACstargate: 44100 - 5128 x Intel Xeon E5-2620 v424.72614.30933.476OpenBenchmarking.org

WavPack Audio Encoding

WAV To WavPack

OpenBenchmarking.orgSeconds, Fewer Is BetterWavPack Audio Encoding 5.3WAV To WavPack8 x Intel Xeon E5-2620 v4612182430SE +/- 0.25, N = 2524.731. (CXX) g++ options: -rdynamic

LAME MP3 Encoding


OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP38 x Intel Xeon E5-2620 v448121620SE +/- 0.05, N = 314.311. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -lm

FLAC Audio Encoding


OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.4WAV To FLAC8 x Intel Xeon E5-2620 v4816243240SE +/- 0.21, N = 533.481. (CXX) g++ options: -O3 -fvisibility=hidden -logg -lm

Phoronix Test Suite v10.8.4