FLAC Audio Encoding

Intel Core i5 520M testing with a Dell 02K3Y4 (A09 BIOS) and Intel HD 2GB on Ubuntu 20.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2103161-HA-FLACAUDIO40&sro.

FLAC Audio EncodingProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerCompilerFile-SystemScreen ResolutionOpenGLFLAC Audio EncodingFLACIntel Core i5 520M @ 2.40GHz (2 Cores / 4 Threads)Dell 02K3Y4 (A09 BIOS)Intel Core DRAM4096MB250GB Western Digital WD2500BEVT-6Intel Core IGPIDT 92HD81B1C5Intel 82577LM + Broadcom BCM43224 802.11a/b/g/nUbuntu 20.045.4.0-66-generic (x86_64)GNOME Shell 3.36.4X Server 1.20.9GCC 9.3.0ext41366x768Intel HD 2GB2.1 Mesa 20.2.6OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --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++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --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-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- Scaling Governor: acpi-cpufreq ondemand (Boost: Enabled) - CPU Microcode: 0x7 Security Details- itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Vulnerable: Clear buffers attempted no microcode; SMT vulnerable + 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: Not affected + tsx_async_abort: Not affected

FLAC Audio Encodingencode-flac: WAV To FLACDifferenceStandard ErrorStandard DeviationFLAC Audio EncodingFLAC23.0991.03x0.121.17%23.7951.00x0.192.39%OpenBenchmarking.org

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACFLACFLAC Audio Encoding612182430SE +/- 0.19, N = 9SE +/- 0.12, N = 523.8023.101. (CXX) g++ options: -O2 -fvisibility=hidden -lm

Phoronix Test Suite v10.8.4