Linux 4.4 CPU Scaling Driver Governors

Intel P-State and CPUfreq scaling governor benchmarks on Linux 4.4 kernel. Benchmarks by Michael Larabel.

HTML result view exported from: https://openbenchmarking.org/result/1601175-GA-LINUX44CP54&grs&rdt.

Linux 4.4 CPU Scaling Driver GovernorsProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq ConservativeIntel Xeon E5-2687W v3 @ 3.50GHz (20 Cores)MSI X99S SLI PLUS (MS-7885) v1.0Intel Xeon E7 v3/Xeon16384MBPNY CS1211 120GB + 80GB INTEL SSDSCKGW08AMD FirePro V7900 2048MBRealtek ALC892ASUS PB278Intel ConnectionUbuntu 16.044.4.0-040400-generic (x86_64)Unity 7.4.0X Server 1.17.3radeon 7.6.13.3 Mesa 11.0.8 Gallium 0.4GCC 5.3.1 20160112ext42560x1440Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores)OpenBenchmarking.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 Disk Details- DEADLINE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- P-State Powersave: Scaling Governor: intel_pstate powersave- P-State Performance: Scaling Governor: intel_pstate performance- CPUFreq Performance: Scaling Governor: acpi-cpufreq performance- CPUFreq Ondemand: Scaling Governor: acpi-cpufreq ondemand- CPUFreq Powersave: Scaling Governor: acpi-cpufreq powersave- CPUFreq Conservative: Scaling Governor: acpi-cpufreq conservativeGraphics Details- EXA

Linux 4.4 CPU Scaling Driver Governorsencode-mp3: WAV To MP3encode-flac: WAV To FLACffmpeg: H.264 HD To NTSC DVc-ray: Total Timebuild-linux-kernel: Time To Compilex264: H.264 Video Encodingxonotic: 2560 x 1440 - Lowxonotic: 2560 x 1440 - Highxonotic: 2560 x 1440 - Ultrapgbench: Buffer Test - Single Thread - Read Writepgbench: Buffer Test - Heavy Contention - Read Writetesseract: 2560 x 1440sqlite: Default Test Directoryopenarena: 2560 x 1440P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative13.007.1824.5510.7254.24353.64279.49143.84108.60348.165519.8680.5754.7664.4313.076.9310.6910.7452.00364.77296.12156.41113.41452.735580.7881.8153.5065.2312.796.9616.5410.7953.72310.74249.37142.36108.78367.605239.3781.2755.2864.3012.946.9515.9010.8053.97311.41255.07142.52108.86369.885286.7081.6055.5264.2338.0518.9829.1528.49136.15141.60116.7690.5080.05330.054925.6777.6354.7964.4312.996.9616.0810.7853.90307.20253.25141.64108.52368.375080.8881.4355.3964.20OpenBenchmarking.org

OpenArena

Resolution: 2560 x 1440 - Total Frame Time

OpenBenchmarking.orgMilliseconds, Fewer Is BetterOpenArena 0.8.8Resolution: 2560 x 1440 - Total Frame TimeP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative918273645Min: 3 / Avg: 15.48 / Max: 37Min: 2 / Avg: 15.3 / Max: 37Min: 2 / Avg: 15.51 / Max: 37Min: 2 / Avg: 15.5 / Max: 37Min: 4 / Avg: 15.48 / Max: 46Min: 2 / Avg: 15.52 / Max: 38

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative918273645SE +/- 0.06, N = 5SE +/- 0.06, N = 5SE +/- 0.08, N = 5SE +/- 0.02, N = 5SE +/- 0.13, N = 5SE +/- 0.02, N = 513.0013.0712.7912.9438.0512.991. (CC) gcc options: -O3 -ffast-math -funroll-loops -pipe -lm

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative510152025SE +/- 0.06, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 57.186.936.966.9518.986.961. (CXX) g++ options: -O2 -fvisibility=hidden -logg -lm

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.8.1H.264 HD To NTSC DVP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative714212835SE +/- 0.22, N = 3SE +/- 0.07, N = 3SE +/- 0.14, N = 3SE +/- 0.14, N = 3SE +/- 0.15, N = 3SE +/- 0.13, N = 324.5510.6916.5415.9029.1516.081. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lXv -lX11 -lXext -lxcb -lxcb-xfixes -lxcb-render -lxcb-shape -lasound -lSDL -lm -llzma -pthread -std=c99 -fomit-frame-pointer -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative714212835SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 310.7210.7410.7910.8028.4910.781. (CC) gcc options: -lm -lpthread -O3

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.3Time To CompileP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative306090120150SE +/- 0.88, N = 3SE +/- 0.85, N = 3SE +/- 0.83, N = 3SE +/- 0.82, N = 4SE +/- 2.03, N = 3SE +/- 0.37, N = 354.2452.0053.7253.97136.1553.90

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2015-11-02H.264 Video EncodingP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative80160240320400SE +/- 3.70, N = 10SE +/- 2.17, N = 5SE +/- 0.94, N = 5SE +/- 0.81, N = 5SE +/- 0.57, N = 5SE +/- 1.72, N = 5353.64364.77310.74311.41141.60307.201. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

Xonotic

Resolution: 2560 x 1440 - Effects Quality: Low

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: LowP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative60120180240300SE +/- 4.84, N = 6SE +/- 4.43, N = 6SE +/- 4.15, N = 4SE +/- 2.50, N = 3SE +/- 0.15, N = 3SE +/- 4.28, N = 4279.49296.12249.37255.07116.76253.25MIN: 119 / MAX: 518MIN: 128 / MAX: 543MIN: 112 / MAX: 457MIN: 122 / MAX: 459MIN: 73 / MAX: 240MIN: 122 / MAX: 462

Xonotic

Resolution: 2560 x 1440 - Effects Quality: High

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: HighP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative306090120150SE +/- 0.60, N = 3SE +/- 0.89, N = 3SE +/- 0.32, N = 3SE +/- 0.86, N = 3SE +/- 0.15, N = 3SE +/- 0.39, N = 3143.84156.41142.36142.5290.50141.64MIN: 55 / MAX: 234MIN: 55 / MAX: 231MIN: 54 / MAX: 231MIN: 59 / MAX: 230MIN: 50 / MAX: 208MIN: 59 / MAX: 230

Xonotic

Resolution: 2560 x 1440 - Effects Quality: Ultra

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: UltraP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative306090120150SE +/- 0.38, N = 3SE +/- 0.16, N = 3SE +/- 0.21, N = 3SE +/- 0.16, N = 3SE +/- 0.09, N = 3SE +/- 0.17, N = 3108.60113.41108.78108.8680.05108.52MIN: 36 / MAX: 188MIN: 38 / MAX: 188MIN: 39 / MAX: 190MIN: 38 / MAX: 191MIN: 38 / MAX: 165MIN: 39 / MAX: 190

PostgreSQL pgbench

Scaling: Buffer Test - Test: Single Thread - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative100200300400500SE +/- 4.96, N = 3SE +/- 1.60, N = 3SE +/- 1.16, N = 3SE +/- 0.61, N = 3SE +/- 0.77, N = 3SE +/- 1.15, N = 3348.16452.73367.60369.88330.05368.371. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Heavy Contention - Mode: Read WriteP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative12002400360048006000SE +/- 8.02, N = 3SE +/- 6.03, N = 3SE +/- 56.33, N = 3SE +/- 31.10, N = 3SE +/- 1.32, N = 3SE +/- 140.83, N = 65519.865580.785239.375286.704925.675080.881. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Tesseract

Resolution: 2560 x 1440

OpenBenchmarking.orgFrames Per Second, More Is BetterTesseract 2014-05-12Resolution: 2560 x 1440P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative20406080100SE +/- 0.08, N = 3SE +/- 0.21, N = 3SE +/- 0.23, N = 3SE +/- 0.43, N = 3SE +/- 0.37, N = 3SE +/- 0.21, N = 380.5781.8181.2781.6077.6381.43

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative1224364860SE +/- 0.10, N = 3SE +/- 0.18, N = 3SE +/- 0.04, N = 3SE +/- 0.19, N = 3SE +/- 0.08, N = 3SE +/- 0.06, N = 354.7653.5055.2855.5254.7955.391. (CC) gcc options: -O2 -ldl -lpthread

OpenArena

Resolution: 2560 x 1440

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 2560 x 1440P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative1530456075SE +/- 0.12, N = 3SE +/- 0.12, N = 3SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.03, N = 3SE +/- 0.10, N = 364.4365.2364.3064.2364.4364.20MIN: 3 / MAX: 315MIN: 1 / MAX: 285MIN: 2 / MAX: 302MIN: 2 / MAX: 300MIN: 4MIN: 2 / MAX: 296

Phoronix Test Suite v10.8.5