DO_cpu-optimised_audio-transcoding

KVM testing on CentOS Linux 7 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1911134-AS-DOCPUOPTI66.

DO_cpu-optimised_audio-transcodingProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem Layer4 x Intel Xeon E5-2697A v44 x Intel Xeon E5-2697A v4 (4 Cores)DigitalOcean Droplet v20171212Intel 440FX 82441FX PMC1 x 8192 MB RAM50GBRed Hat QXL paravirtual graphic cardRed Hat Virtio deviceCentOS Linux 73.10.0-1062.4.1.el7.x86_64 (x86_64)GCC 4.8.5 20150623xfs1024x768KVMOpenBenchmarking.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 - SELinux + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes 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 Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB

DO_cpu-optimised_audio-transcodingencode-flac: WAV To FLACencode-mp3: WAV To MP34 x Intel Xeon E5-2697A v416.5014.70OpenBenchmarking.org

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLAC4 x Intel Xeon E5-2697A v448121620SE +/- 0.13, N = 516.501. (CXX) g++ options: -O2 -fvisibility=hidden -lm

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP34 x Intel Xeon E5-2697A v448121620SE +/- 0.02, N = 314.701. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -lm

Phoronix Test Suite v10.8.4