Intel Core i7 Linux P-State Tests

P-State and ACPI CPUFreq benchmarks using the Core i7 5960X Haswell-E in different modes. Benchmarks by Michael Larabel for a future article on Phoronix.com.

HTML result view exported from: https://openbenchmarking.org/result/1409148-LI-PSTATETES68.

Intel Core i7 Linux P-State TestsProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq PerformanceIntel Core i7-5960X @ 3.50GHz (16 Cores)Gigabyte X99-UD4-CFIntel Haswell-E DMI216384MB128GB Crucial_CT128MX1Gigabyte AMD Radeon R9 270X 2048MBIntel Wellsburg HD AudioSyncMasterIntel ConnectionUbuntu 14.103.17.0-999-generic (x86_64)Unity 7.3.1X Server 1.16.0radeon 7.4.03.3 Mesa 10.2.6 Gallium 0.4GCC 4.9.1ext42560x1600Intel Core i7-5960X @ 3.00GHz (16 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,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=i686 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Processor Details- P-State Powersave: Scaling Governor: intel_pstate powersave- P-State Performance: Scaling Governor: intel_pstate performance- ACPI CPUFreq Ondemand: Scaling Governor: acpi-cpufreq ondemand- ACPI CPUFreq Conservative: Scaling Governor: acpi-cpufreq conservative- ACPI CPUFreq Performance: Scaling Governor: acpi-cpufreq performanceGraphics Details- GLAMOR

Intel Core i7 Linux P-State Testscstrike: 1920 x 1080unigine-tropics: 1920 x 1080xonotic: 1920 x 1080 - Lowxonotic: 1920 x 1080 - Highbuild-linux-kernel: Time To Compilec-ray: Total Timeencode-mp3: WAV To MP3apache: Static Web Page ServingP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance164.9980.39222.51146.9451.119.7413.3615539.58194.4780.83279.12177.2557.6711.0812.5217865.08157.7680.07212.38147.3156.1111.0334.3812444.32160.1979.78220.88150.3351.359.7931.7714023.82196.1480.95277.70177.9247.639.5812.5118273.95OpenBenchmarking.org

Counter-Strike Source

Resolution: 1920 x 1080

OpenBenchmarking.orgFrames Per Second, More Is BetterCounter-Strike SourceResolution: 1920 x 1080P-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance4080120160200SE +/- 2.75, N = 6SE +/- 3.21, N = 3SE +/- 4.34, N = 6SE +/- 2.94, N = 3SE +/- 1.53, N = 3164.99194.47157.76160.19196.14

Unigine Tropics

Resolution: 1920 x 1080

OpenBenchmarking.orgFrames Per Second, More Is BetterUnigine Tropics 1.3Resolution: 1920 x 1080P-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance20406080100SE +/- 0.05, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 380.3980.8380.0779.7880.95

Xonotic

Resolution: 1920 x 1080 - Effects Quality: Low

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.7Resolution: 1920 x 1080 - Effects Quality: LowP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance60120180240300SE +/- 0.29, N = 3SE +/- 0.84, N = 3SE +/- 0.91, N = 3SE +/- 2.36, N = 3SE +/- 0.74, N = 3222.51279.12212.38220.88277.70MIN: 132 / MAX: 452MIN: 187 / MAX: 580MIN: 146 / MAX: 445MIN: 92 / MAX: 465MIN: 188 / MAX: 579

Xonotic

Resolution: 1920 x 1080 - Effects Quality: High

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.7Resolution: 1920 x 1080 - Effects Quality: HighP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance4080120160200SE +/- 0.20, N = 3SE +/- 0.32, N = 3SE +/- 0.12, N = 3SE +/- 0.26, N = 3SE +/- 0.14, N = 3146.94177.25147.31150.33177.92MIN: 67 / MAX: 282MIN: 93 / MAX: 304MIN: 71 / MAX: 276MIN: 77 / MAX: 284MIN: 93 / MAX: 305

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 3.1Time To CompileP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance1326395265SE +/- 0.79, N = 5SE +/- 0.91, N = 3SE +/- 0.62, N = 3SE +/- 0.75, N = 4SE +/- 0.64, N = 351.1157.6756.1151.3547.63

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance3691215SE +/- 0.02, N = 3SE +/- 0.09, N = 3SE +/- 0.10, N = 3SE +/- 0.11, N = 3SE +/- 0.01, N = 39.7411.0811.039.799.581. (CC) gcc options: -lm -lpthread -O3 -march=native

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3P-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance816243240SE +/- 0.29, N = 10SE +/- 0.03, N = 5SE +/- 2.19, N = 10SE +/- 2.41, N = 10SE +/- 0.01, N = 513.3612.5234.3831.7712.511. (CC) gcc options: -pipe -O3 -march=native -lm

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingP-State PowersaveP-State PerformanceACPI CPUFreq OndemandACPI CPUFreq ConservativeACPI CPUFreq Performance4K8K12K16K20KSE +/- 303.35, N = 3SE +/- 387.83, N = 6SE +/- 60.38, N = 3SE +/- 1086.77, N = 6SE +/- 394.33, N = 615539.5817865.0812444.3214023.8218273.951. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

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