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&sor&grr.

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 Governorspgbench: Buffer Test - Heavy Contention - Read Writepgbench: Buffer Test - Single Thread - Read Writeffmpeg: H.264 HD To NTSC DVencode-mp3: WAV To MP3encode-flac: WAV To FLACc-ray: Total Timebuild-linux-kernel: Time To Compilex264: H.264 Video Encodingxonotic: 2560 x 1440 - Ultraxonotic: 2560 x 1440 - Highxonotic: 2560 x 1440 - Lowtesseract: 2560 x 1440openarena: 2560 x 1440sqlite: Default Test DirectoryP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq OndemandCPUFreq PowersaveCPUFreq Conservative5519.86348.1624.5513.007.1810.7254.24353.64108.60143.84279.4980.5764.4354.765580.78452.7310.6913.076.9310.7452.00364.77113.41156.41296.1281.8165.2353.505239.37367.6016.5412.796.9610.7953.72310.74108.78142.36249.3781.2764.3055.285286.70369.8815.9012.946.9510.8053.97311.41108.86142.52255.0781.6064.2355.524925.67330.0529.1538.0518.9828.49136.15141.6080.0590.50116.7677.6364.4354.795080.88368.3716.0812.996.9610.7853.90307.20108.52141.64253.2581.4364.2055.39OpenBenchmarking.org

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 PerformanceP-State PowersaveCPUFreq OndemandCPUFreq PerformanceCPUFreq ConservativeCPUFreq Powersave12002400360048006000SE +/- 6.03, N = 3SE +/- 8.02, N = 3SE +/- 31.10, N = 3SE +/- 56.33, N = 3SE +/- 140.83, N = 6SE +/- 1.32, N = 35580.785519.865286.705239.375080.884925.671. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

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 PerformanceCPUFreq OndemandCPUFreq ConservativeCPUFreq PerformanceP-State PowersaveCPUFreq Powersave100200300400500SE +/- 1.60, N = 3SE +/- 0.61, N = 3SE +/- 1.15, N = 3SE +/- 1.16, N = 3SE +/- 4.96, N = 3SE +/- 0.77, N = 3452.73369.88368.37367.60348.16330.051. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.8.1H.264 HD To NTSC DVP-State PerformanceCPUFreq OndemandCPUFreq ConservativeCPUFreq PerformanceP-State PowersaveCPUFreq Powersave714212835SE +/- 0.07, N = 3SE +/- 0.14, N = 3SE +/- 0.13, N = 3SE +/- 0.14, N = 3SE +/- 0.22, N = 3SE +/- 0.15, N = 310.6915.9016.0816.5424.5529.151. (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

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3CPUFreq PerformanceCPUFreq OndemandCPUFreq ConservativeP-State PowersaveP-State PerformanceCPUFreq Powersave918273645SE +/- 0.08, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.06, N = 5SE +/- 0.06, N = 5SE +/- 0.13, N = 512.7912.9412.9913.0013.0738.051. (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 PerformanceCPUFreq OndemandCPUFreq PerformanceCPUFreq ConservativeP-State PowersaveCPUFreq Powersave510152025SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.06, N = 5SE +/- 0.00, N = 56.936.956.966.967.1818.981. (CXX) g++ options: -O2 -fvisibility=hidden -logg -lm

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeP-State PowersaveP-State PerformanceCPUFreq ConservativeCPUFreq PerformanceCPUFreq OndemandCPUFreq Powersave714212835SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 310.7210.7410.7810.7910.8028.491. (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 PerformanceCPUFreq PerformanceCPUFreq ConservativeCPUFreq OndemandP-State PowersaveCPUFreq Powersave306090120150SE +/- 0.85, N = 3SE +/- 0.83, N = 3SE +/- 0.37, N = 3SE +/- 0.82, N = 4SE +/- 0.88, N = 3SE +/- 2.03, N = 352.0053.7253.9053.9754.24136.15

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2015-11-02H.264 Video EncodingP-State PerformanceP-State PowersaveCPUFreq OndemandCPUFreq PerformanceCPUFreq ConservativeCPUFreq Powersave80160240320400SE +/- 2.17, N = 5SE +/- 3.70, N = 10SE +/- 0.81, N = 5SE +/- 0.94, N = 5SE +/- 1.72, N = 5SE +/- 0.57, N = 5364.77353.64311.41310.74307.20141.601. (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: Ultra

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: UltraP-State PerformanceCPUFreq OndemandCPUFreq PerformanceP-State PowersaveCPUFreq ConservativeCPUFreq Powersave306090120150SE +/- 0.16, N = 3SE +/- 0.16, N = 3SE +/- 0.21, N = 3SE +/- 0.38, N = 3SE +/- 0.17, N = 3SE +/- 0.09, N = 3113.41108.86108.78108.60108.5280.05MIN: 38 / MAX: 188MIN: 38 / MAX: 191MIN: 39 / MAX: 190MIN: 36 / MAX: 188MIN: 39 / MAX: 190MIN: 38 / MAX: 165

Xonotic

Resolution: 2560 x 1440 - Effects Quality: High

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: HighP-State PerformanceP-State PowersaveCPUFreq OndemandCPUFreq PerformanceCPUFreq ConservativeCPUFreq Powersave306090120150SE +/- 0.89, N = 3SE +/- 0.60, N = 3SE +/- 0.86, N = 3SE +/- 0.32, N = 3SE +/- 0.39, N = 3SE +/- 0.15, N = 3156.41143.84142.52142.36141.6490.50MIN: 55 / MAX: 231MIN: 55 / MAX: 234MIN: 59 / MAX: 230MIN: 54 / MAX: 231MIN: 59 / MAX: 230MIN: 50 / MAX: 208

Xonotic

Resolution: 2560 x 1440 - Effects Quality: Low

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 2560 x 1440 - Effects Quality: LowP-State PerformanceP-State PowersaveCPUFreq OndemandCPUFreq ConservativeCPUFreq PerformanceCPUFreq Powersave60120180240300SE +/- 4.43, N = 6SE +/- 4.84, N = 6SE +/- 2.50, N = 3SE +/- 4.28, N = 4SE +/- 4.15, N = 4SE +/- 0.15, N = 3296.12279.49255.07253.25249.37116.76MIN: 128 / MAX: 543MIN: 119 / MAX: 518MIN: 122 / MAX: 459MIN: 122 / MAX: 462MIN: 112 / MAX: 457MIN: 73 / MAX: 240

Tesseract

Resolution: 2560 x 1440

OpenBenchmarking.orgFrames Per Second, More Is BetterTesseract 2014-05-12Resolution: 2560 x 1440P-State PerformanceCPUFreq OndemandCPUFreq ConservativeCPUFreq PerformanceP-State PowersaveCPUFreq Powersave20406080100SE +/- 0.21, N = 3SE +/- 0.43, N = 3SE +/- 0.21, N = 3SE +/- 0.23, N = 3SE +/- 0.08, N = 3SE +/- 0.37, N = 381.8181.6081.4381.2780.5777.63

OpenArena

Resolution: 2560 x 1440 - Total Frame Time

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

OpenArena

Resolution: 2560 x 1440

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 2560 x 1440P-State PerformanceCPUFreq PowersaveP-State PowersaveCPUFreq PerformanceCPUFreq OndemandCPUFreq Conservative1530456075SE +/- 0.12, N = 3SE +/- 0.03, N = 3SE +/- 0.12, N = 3SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.10, N = 365.2364.4364.4364.3064.2364.20MIN: 1 / MAX: 285MIN: 4MIN: 3 / MAX: 315MIN: 2 / MAX: 302MIN: 2 / MAX: 300MIN: 2 / MAX: 296

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test DirectoryP-State PerformanceP-State PowersaveCPUFreq PowersaveCPUFreq PerformanceCPUFreq ConservativeCPUFreq Ondemand1224364860SE +/- 0.18, N = 3SE +/- 0.10, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.19, N = 353.5054.7654.7955.2855.3955.521. (CC) gcc options: -O2 -ldl -lpthread

Phoronix Test Suite v10.8.5