Comparing several CPU frequency scaling governors with the Intel Core i3-6100

Running pts/x264-2.0.0, pts/build-linux-kernel-1.6.0, pts/compress-pbzip2-1.5.0, pts/compress-lzma-1.3.0 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1607059-KH-CPUGOVERN53.

Comparing several CPU frequency scaling governors with the Intel Core i3-6100ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDisplay DriverCompilerFile-SystemScreen Resolutionintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersaveIntel Core i3-6100 @ 3.70GHz (4 Cores)MSI H110I PRO (MS-7995) v1.0Intel Device 190f16384MB240GB SanDisk Ultra IIeVGA NVIDIA GeForce GTX 750 Ti 2048MBRealtek ALC887-VDSMBX2250Realtek RTL8111/8168/8411Debian 8.54.6.0-0.bpo.1-amd64 (x86_64)modesetting 0.9.0GCC 4.9.2ext41920x1080OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --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=i586 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Processor Details- intel_pstate-performance: Scaling Governor: intel_pstate performance- intel_pstate-powersave: Scaling Governor: intel_pstate powersave- acpi_cpufreq-performance: Scaling Governor: acpi-cpufreq performance- acpi_cpufreq-ondemand: Scaling Governor: acpi-cpufreq ondemand- acpi_cpufreq-powersave: Scaling Governor: acpi-cpufreq powersave

Comparing several CPU frequency scaling governors with the Intel Core i3-6100x264: H.264 Video Encodingbuild-linux-kernel: Time To Compilecompress-pbzip2: 256MB File Compressioncompress-lzma: 256MB File Compressionintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersave113.29192.6017.84298.04113.14191.7917.50295.57113.61191.9017.79297.96113.72192.5417.54296.9125.38838.6977.621179.42OpenBenchmarking.org

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2015-11-02H.264 Video Encodingintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersave306090120150SE +/- 0.13, N = 5SE +/- 0.31, N = 5SE +/- 0.46, N = 5SE +/- 0.14, N = 5SE +/- 0.06, N = 5113.29113.14113.61113.7225.381. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.3Time To Compileintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersave2004006008001000SE +/- 1.03, N = 3SE +/- 0.78, N = 3SE +/- 0.95, N = 3SE +/- 0.61, N = 3SE +/- 2.84, N = 3192.60191.79191.90192.54838.69

Parallel BZIP2 Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.12256MB File Compressionintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersave20406080100SE +/- 0.18, N = 3SE +/- 0.07, N = 3SE +/- 0.20, N = 3SE +/- 0.02, N = 3SE +/- 0.07, N = 317.8417.5017.7917.5477.621. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

LZMA Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterLZMA Compression256MB File Compressionintel_pstate-performanceintel_pstate-powersaveacpi_cpufreq-performanceacpi_cpufreq-ondemandacpi_cpufreq-powersave30060090012001500SE +/- 0.41, N = 3SE +/- 0.23, N = 3SE +/- 0.54, N = 3SE +/- 0.60, N = 3SE +/- 2.58, N = 3298.04295.57297.96296.911179.421. (CXX) g++ options: -O2

Phoronix Test Suite v10.8.4