ffmpeg undervolting

$ sudo intel-undervolt read CPU (0): -75.20 mV GPU (1): -0.00 mV CPU Cache (2): -0.00 mV System Agent (3): -0.00 mV Analog I/O (4): -0.00 mV

HTML result view exported from: https://openbenchmarking.org/result/1907219-BEAR-FFMPEGU87.

ffmpeg undervoltingProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDisplay DriverOpenGLCompilerFile-SystemScreen Resolutionbaselinecpu-85-cache-0cpu-85-cache-50cpu-85-cache-75cpu-85-gpu-25cpu-90-cache-0cpu-75-cache-0Intel Core i5-4210U @ 2.70GHz (4 Cores)LENOVO Cherry 4AIntel Haswell-ULT DRAM8192MB256GB Samsung SSD 850NVIDIA GeForce GT 730M 2048MB (719/900MHz)Intel Haswell-ULT HD AudioRealtek RTL8111/8168/8411 + Intel Wireless 7260LinuxMint 184.4.0-142-generic (x86_64)NVIDIA 384.1304.5.0GCC 5.4.0 20160609ext41920x1080OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Processor Details- Scaling Governor: intel_pstate powersave

ffmpeg undervoltingffmpeg: H.264 HD To NTSC DVDifferenceStandard ErrorStandard Deviationbaselinecpu-85-cache-0cpu-85-cache-50cpu-85-cache-75cpu-85-gpu-25cpu-90-cache-0cpu-75-cache-029.541.00x2.9224.21%17.251.42x0.040.45%17.481.41x0.020.16%17.451.41x0.101.02%17.291.41x0.050.49%17.341.41x0.050.52%17.361.41x0.020.16%OpenBenchmarking.org

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 3.4.1H.264 HD To NTSC DVbaselinecpu-85-cache-0cpu-85-cache-50cpu-85-cache-75cpu-85-gpu-25cpu-90-cache-0cpu-75-cache-0714212835SE +/- 2.92, N = 6SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.10, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 329.5417.2517.4817.4517.2917.3417.361. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lxcb -lxcb-xfixes -lxcb-render -lxcb-shape -lm -ldl -pthread -std=c11 -fomit-frame-pointer -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -MMD -MF -MT


Phoronix Test Suite v10.8.4