Skylake CPU Scaling P-State vs. CPUFreq

Intel Core i5-6500 testing with a Gigabyte Z170M-D3H-CF and Intel Sky Lake on Ubuntu 15.10. Benchmarks by Michael Larabel for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1510164-HA-SKYLAKECP51
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Audio Encoding 2 Tests
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P-State Powersave
October 15 2015
 
P-State Performance
October 15 2015
 
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October 15 2015
 
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October 16 2015
 
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October 16 2015
 
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Skylake CPU Scaling P-State vs. CPUFreqOpenBenchmarking.orgPhoronix Test SuiteIntel Core i5-6500 @ 3.60GHz (4 Cores)Intel Core i5-6500 @ 3.20GHz (4 Cores)Gigabyte Z170M-D3H-CFIntel Sky Lake8192MB120GB KINGSTON SV300S3Intel Sky Lake (1050MHz)Realtek ALC892DELL P2415QIntel ConnectionUbuntu 15.104.3.0-999-generic (x86_64) 20151013UnityX Server 1.17.2intel 2.99.9173.3 Mesa 11.0.2GCC 5.2.1 20151010ext43840x2160ProcessorsMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSkylake CPU Scaling P-State Vs. CPUFreq BenchmarksSystem Logs- --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 - P-State Powersave: Scaling Governor: intel_pstate powersave- P-State Performance: Scaling Governor: intel_pstate performance- CPUFreq Performance: Scaling Governor: acpi-cpufreq performance- CPUFreq Powersave: Scaling Governor: acpi-cpufreq powersave- CPUFreq Ondemand: Scaling Governor: acpi-cpufreq ondemand- SNA

P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq OndemandResult OverviewPhoronix Test Suite100%105%110%115%OpenArenaFFmpegTesseractXonoticx264Timed Linux Kernel CompilationFLAC Audio EncodingLAME MP3 EncodingC-Ray

Skylake CPU Scaling P-State vs. CPUFreqopenarena: 1920 x 1080tesseract: 1920 x 1080xonotic: 1920 x 1080 - Lowxonotic: 1920 x 1080 - Highxonotic: 1920 x 1080 - Ultraxonotic: 1920 x 1080 - Ultimatex264: H.264 Video Encodingbuild-linux-kernel: Time To Compilec-ray: Total Timeencode-flac: WAV To FLACencode-mp3: WAV To MP3ffmpeg: H.264 HD To NTSC DVP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand49.5039.2450.5325.5521.1316.43141.89127.7723.415.6112.069.9248.9339.0350.4125.6121.1716.45142.50127.6223.415.6212.0710.0158.7041.1052.3926.6721.8916.87140.90128.0223.415.6312.0811.2358.6341.5252.4226.7021.9216.86140.00127.9823.425.6112.0811.2358.6741.3452.4526.7321.9416.89140.71128.1823.415.6112.0611.22OpenBenchmarking.org

OpenArena

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 1920 x 1080P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1326395265SE +/- 0.29, N = 3SE +/- 0.52, N = 3SE +/- 0.46, N = 3SE +/- 0.81, N = 3SE +/- 0.35, N = 349.5048.9358.7058.6358.67MIN: 14 / MAX: 63MIN: 14 / MAX: 74MIN: 13MIN: 13 / MAX: 95MIN: 14
OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 1920 x 1080P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1224364860Min: 49 / Avg: 49.5 / Max: 50Min: 47.9 / Avg: 48.93 / Max: 49.6Min: 58.1 / Avg: 58.7 / Max: 59.6Min: 57.2 / Avg: 58.63 / Max: 60Min: 58.1 / Avg: 58.67 / Max: 59.3

OpenBenchmarking.orgMilliseconds, Fewer Is BetterOpenArena 0.8.8Resolution: 1920 x 1080 - Total Frame TimeP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1428425670Min: 14 / Avg: 20.14 / Max: 54Min: 14 / Avg: 20.14 / Max: 70Min: 13 / Avg: 16.74 / Max: 52Min: 13 / Avg: 16.64 / Max: 52Min: 14 / Avg: 16.85 / Max: 55

Tesseract

Tesseract is a fork of Cube 2 Sauerbraten with numerous graphics and game-play improvements. Tesseract has been in development since 2012 while its first release happened in May of 2014. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterTesseract 2014-05-12Resolution: 1920 x 1080P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand918273645SE +/- 0.16, N = 3SE +/- 0.17, N = 3SE +/- 0.01, N = 3SE +/- 0.16, N = 3SE +/- 0.14, N = 339.2439.0341.1041.5241.34
OpenBenchmarking.orgFrames Per Second, More Is BetterTesseract 2014-05-12Resolution: 1920 x 1080P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand918273645Min: 38.95 / Avg: 39.24 / Max: 39.49Min: 38.76 / Avg: 39.03 / Max: 39.34Min: 41.08 / Avg: 41.1 / Max: 41.11Min: 41.2 / Avg: 41.52 / Max: 41.69Min: 41.1 / Avg: 41.34 / Max: 41.6

Xonotic

This is a benchmark of Xonotic, which is a fork of the DarkPlaces-based Nexuiz game. Development began in March of 2010 on the Xonotic game. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: LowP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1224364860SE +/- 0.01, N = 3SE +/- 0.14, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 350.5350.4152.3952.4252.45MIN: 33 / MAX: 64MIN: 32 / MAX: 64MIN: 34 / MAX: 65MIN: 34 / MAX: 65MIN: 34 / MAX: 65
OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: LowP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1122334455Min: 50.51 / Avg: 50.53 / Max: 50.55Min: 50.13 / Avg: 50.41 / Max: 50.56Min: 52.37 / Avg: 52.39 / Max: 52.41Min: 52.4 / Avg: 52.42 / Max: 52.46Min: 52.42 / Avg: 52.45 / Max: 52.49

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: HighP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand612182430SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 325.5525.6126.6726.7026.73MIN: 14 / MAX: 32MIN: 14 / MAX: 32MIN: 15 / MAX: 31MIN: 15 / MAX: 32MIN: 15 / MAX: 32
OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: HighP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand612182430Min: 25.54 / Avg: 25.55 / Max: 25.56Min: 25.6 / Avg: 25.61 / Max: 25.62Min: 26.66 / Avg: 26.67 / Max: 26.68Min: 26.7 / Avg: 26.7 / Max: 26.71Min: 26.71 / Avg: 26.73 / Max: 26.74

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: UltraP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand510152025SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 321.1321.1721.8921.9221.94MIN: 10 / MAX: 28MIN: 10 / MAX: 28MIN: 11 / MAX: 29MIN: 11 / MAX: 29MIN: 11 / MAX: 29
OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: UltraP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand510152025Min: 21.1 / Avg: 21.13 / Max: 21.15Min: 21.16 / Avg: 21.17 / Max: 21.18Min: 21.89 / Avg: 21.89 / Max: 21.89Min: 21.91 / Avg: 21.92 / Max: 21.93Min: 21.92 / Avg: 21.94 / Max: 21.96

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: UltimateP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand48121620SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 316.4316.4516.8716.8616.89MIN: 8 / MAX: 24MIN: 8 / MAX: 24MIN: 8 / MAX: 24MIN: 8 / MAX: 25MIN: 8 / MAX: 25
OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.8Resolution: 1920 x 1080 - Effects Quality: UltimateP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand48121620Min: 16.41 / Avg: 16.43 / Max: 16.44Min: 16.44 / Avg: 16.45 / Max: 16.46Min: 16.86 / Avg: 16.87 / Max: 16.87Min: 16.85 / Avg: 16.86 / Max: 16.86Min: 16.88 / Avg: 16.89 / Max: 16.89

x264

This is a simple test of the x264 H.264/AVC encoder run on the CPU (OpenCL support disabled). Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2014-08-30H.264 Video EncodingP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand306090120150SE +/- 0.29, N = 5SE +/- 0.32, N = 5SE +/- 0.32, N = 5SE +/- 0.21, N = 5SE +/- 0.44, N = 5141.89142.50140.90140.00140.711. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2014-08-30H.264 Video EncodingP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand306090120150Min: 140.82 / Avg: 141.89 / Max: 142.52Min: 141.68 / Avg: 142.5 / Max: 143.08Min: 139.94 / Avg: 140.9 / Max: 141.82Min: 139.48 / Avg: 140 / Max: 140.57Min: 139.7 / Avg: 140.71 / Max: 141.941. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

Timed Linux Kernel Compilation

This test times how long it takes to build the Linux 3.18 kernel. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 3.18-rc6Time To CompileP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand306090120150SE +/- 0.96, N = 3SE +/- 0.98, N = 3SE +/- 0.81, N = 3SE +/- 0.84, N = 3SE +/- 0.70, N = 3127.77127.62128.02127.98128.18
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 3.18-rc6Time To CompileP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand20406080100Min: 126.64 / Avg: 127.77 / Max: 129.68Min: 126.57 / Avg: 127.62 / Max: 129.59Min: 126.99 / Avg: 128.02 / Max: 129.63Min: 126.92 / Avg: 127.98 / Max: 129.65Min: 127.15 / Avg: 128.18 / Max: 129.53

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand612182430SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 323.4123.4123.4123.4223.411. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand510152025Min: 23.39 / Avg: 23.41 / Max: 23.44Min: 23.41 / Avg: 23.41 / Max: 23.42Min: 23.39 / Avg: 23.41 / Max: 23.43Min: 23.41 / Avg: 23.42 / Max: 23.42Min: 23.41 / Avg: 23.41 / Max: 23.421. (CC) gcc options: -lm -lpthread -O3

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format three times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand1.26682.53363.80045.06726.334SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 55.615.625.635.615.611. (CXX) g++ options: -O2 -fvisibility=hidden -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand246810Min: 5.6 / Avg: 5.61 / Max: 5.62Min: 5.6 / Avg: 5.62 / Max: 5.67Min: 5.61 / Avg: 5.63 / Max: 5.64Min: 5.6 / Avg: 5.61 / Max: 5.63Min: 5.6 / Avg: 5.61 / Max: 5.621. (CXX) g++ options: -O2 -fvisibility=hidden -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand3691215SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.00, N = 512.0612.0712.0812.0812.061. (CC) gcc options: -O3 -ffast-math -funroll-loops -pipe -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3P-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand48121620Min: 12.05 / Avg: 12.06 / Max: 12.08Min: 12.07 / Avg: 12.07 / Max: 12.08Min: 12.06 / Avg: 12.08 / Max: 12.13Min: 12.06 / Avg: 12.08 / Max: 12.14Min: 12.05 / Avg: 12.06 / Max: 12.071. (CC) gcc options: -O3 -ffast-math -funroll-loops -pipe -lm

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.6.2H.264 HD To NTSC DVP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand3691215SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 39.9210.0111.2311.2311.221. (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 -MMD -MF -MT
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.6.2H.264 HD To NTSC DVP-State PowersaveP-State PerformanceCPUFreq PerformanceCPUFreq PowersaveCPUFreq Ondemand3691215Min: 9.88 / Avg: 9.92 / Max: 9.98Min: 9.91 / Avg: 10.01 / Max: 10.15Min: 11.13 / Avg: 11.23 / Max: 11.37Min: 11.15 / Avg: 11.23 / Max: 11.37Min: 11.17 / Avg: 11.22 / Max: 11.271. (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 -MMD -MF -MT