pi_audio

ARMv8 Cortex-A72 testing with a BCM2835 Raspberry Pi 4 Model B Rev 1.2 and V3D 4.2 4GB on Ubuntu 20.10 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2012145-FI-PIAUDIO9175.

pi_audioProcessorMotherboardMemoryDiskGraphicsMonitorOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionARMv8 Cortex-A72ARMv8 Cortex-A72 @ 1.50GHz (4 Cores)BCM2835 Raspberry Pi 4 Model B Rev 1.24096MB240GB 00SSD1V3D 4.2 4GBQ2770Ubuntu 20.105.8.0-1010-raspi (aarch64)KDE Plasma 5.19.5X Server 1.20.9modesetting 1.20.92.1 Mesa 20.2.1GCC 10.2.0ext42560x1440OpenBenchmarking.org- snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 - --build=aarch64-linux-gnu --disable-libquadmath --disable-libquadmath-support --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc=auto --enable-plugin --enable-shared --enable-threads=posix --host=aarch64-linux-gnu --program-prefix=aarch64-linux-gnu- --target=aarch64-linux-gnu --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-target-system-zlib=auto -v - Scaling Governor: cpufreq-dt conservative- itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of __user pointer sanitization + spectre_v2: Vulnerable + srbds: Not affected + tsx_async_abort: Not affected

pi_audioencode-flac: WAV To FLACencode-mp3: WAV To MP3ARMv8 Cortex-A7282.88429.100OpenBenchmarking.org

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACARMv8 Cortex-A7220406080100SE +/- 0.06, N = 582.881. (CXX) g++ options: -O2 -fvisibility=hidden -lm

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3ARMv8 Cortex-A72714212835SE +/- 0.06, N = 329.101. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -lm

Phoronix Test Suite v10.8.4