audio encoding

ARMv7 rev 4 testing with a BCM2835 Raspberry Pi 3 Model B Rev 1.2 and llvmpipe 896MB on Arch Linux ARM via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1805066-KJAW-AUDIOEN19.

audio encodingProcessorMotherboardMemoryDiskGraphicsOSKernelDesktopDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionARMv7 rev 4ARMv7 rev 4 @ 1.20GHz (4 Cores)BCM2835 Raspberry Pi 3 Model B Rev 1.2842MB31GB SA32Gllvmpipe 896MBArch Linux ARM4.14.32v7-aufs (armv7l)LXDE 0.9.3modesetting 1.19.63.3 Mesa 18.0.2 (LLVM 6.0 128 bits)GCC 7.3.1 20180406aufs1280x1024OpenBenchmarking.org- --build=armv7l-unknown-linux-gnueabihf --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-multilib --disable-werror --enable-__cxa_atexit --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++,fortran,go,lto,objc,obj-c++ --enable-lto --enable-plugin --enable-shared --enable-threads=posix --host=armv7l-unknown-linux-gnueabihf --mandir=/usr/share/man --with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 --with-isl --with-linker-hash-style=gnu - Scaling Governor: BCM2835 Freq ondemand

audio encodingencode-flac: WAV To FLACencode-mp3: WAV To MP3encode-wavpack: WAV To WavPackARMv7 rev 4391.70367.3467.65OpenBenchmarking.org

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACARMv7 rev 480160240320400SE +/- 0.85, N = 5391.70

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3ARMv7 rev 480160240320400SE +/- 1.84, N = 3367.341. (CC) gcc options: -lncurses -lm

WavPack Audio Encoding

WAV To WavPack

OpenBenchmarking.orgSeconds, Fewer Is BetterWavPack Audio Encoding 5.1WAV To WavPackARMv7 rev 41530456075SE +/- 0.30, N = 567.65

Phoronix Test Suite v10.8.4