Linux 3.11 Kernel Intel Power Consumption

Linux 3.11 kernel does better for Intel Ivy Bridge Ultrabook power consumption. Benchmarks for a future article on Phoronix.com by Michael Larabel.

HTML result view exported from: https://openbenchmarking.org/result/1307262-SO-LINUX311K00&sro&grt.

Linux 3.11 Kernel Intel Power ConsumptionProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLinux 3.9Linux 3.10Linux 3.11 GItIntel Core i3-3217U @ 1.80GHz (4 Cores)ASUS K56CA v1.0Intel 3rd Gen Core DRAM4096MB500GB Hitachi HTS54505 + 24GB SanDisk SSD i100ASUS Intel 3rd Gen CoreRealtek ALC270Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 WirelessUbuntu 13.103.9.0-030900-generic (x86_64)Unity 7.0.2X Server 1.14.2intel 2.21.93.1 Mesa 9.2.0-devel (git-adfd012)GCC 4.8 + LLVM 3.3ext41366x7683.10.0-031000-generic (x86_64)3.11.0-999-generic (x86_64)OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --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-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-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Disk Details- DEADLINE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Linux 3.9: Scaling Governor: acpi-cpufreq ondemand- Linux 3.10: Scaling Governor: intel_pstate powersave- Linux 3.11 GIt: Scaling Governor: intel_pstate powersaveGraphics Details- SNASystem Details- Disk Scheduler: DEADLINE. This was running on battery power.

Linux 3.11 Kernel Intel Power Consumptionapache: Static Web Page Servingopenarena: 1366 x 768postmark: Disk Transaction Performancex264: H.264 Video Encodingxonotic: 1366 x 768 - LowLinux 3.9Linux 3.10Linux 3.11 GIt141.87269841.0083.897133.29122.65139929.3475.787327.82112.60140229.4078.94OpenBenchmarking.org

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLinux 3.10Linux 3.11 GIt16003200480064008000SE +/- 10.08, N = 3SE +/- 54.01, N = 37133.297327.821. (CC) gcc options: -shared -fPIC -O2 -pthread

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second Per Watt, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLinux 3.10Linux 3.11 GIt110220330440550473.87513.59

Apache Benchmark

System Power Consumption Monitor

MinAvgMaxLinux 3.1065101505316965Linux 3.11 GIt87451426816125Linux 3.999751007410290OpenBenchmarking.orgMilliwatts, Fewer Is BetterApache Benchmark 2.4.3System Power Consumption Monitor5K10K15K20K25K

OpenArena

Resolution: 1366 x 768

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.5Resolution: 1366 x 768Linux 3.10Linux 3.11 GItLinux 3.9306090120150SE +/- 4.10, N = 6SE +/- 1.82, N = 3SE +/- 0.67, N = 3122.65112.60141.87

OpenArena

Resolution: 1366 x 768

OpenBenchmarking.orgFrames Per Second Per Watt, More Is BetterOpenArena 0.8.5Resolution: 1366 x 768Linux 3.10Linux 3.11 GItLinux 3.92468105.546.106.63

OpenArena

System Power Consumption Monitor

MinAvgMaxLinux 3.10114602212628095Linux 3.11 GIt106351844921405Linux 3.9100202140725470OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenArena 0.8.5System Power Consumption Monitor7K14K21K28K35K

PostMark

Disk Transaction Performance

OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceLinux 3.10Linux 3.11 GItLinux 3.96001200180024003000SE +/- 5.33, N = 3SE +/- 14.52, N = 3SE +/- 9.67, N = 31399140226981. (CC) gcc options: -O3

PostMark

Disk Transaction Performance

OpenBenchmarking.orgTPS Per Watt, More Is BetterPostMark 1.51Disk Transaction PerformanceLinux 3.10Linux 3.11 GItLinux 3.94080120160200103.14115.70183.56

PostMark

System Power Consumption Monitor

MinAvgMaxLinux 3.10101851356414730Linux 3.11 GIt85051211713590Linux 3.932551469815075OpenBenchmarking.orgMilliwatts, Fewer Is BetterPostMark 1.51System Power Consumption Monitor4K8K12K16K20K

System Power Consumption Monitor

Phoronix Test Suite System Monitoring

MinAvgMaxLinux 3.1065101794328095Linux 3.11 GIt85051618424615Linux 3.932551823026160OpenBenchmarking.orgMilliwattsSystem Power Consumption MonitorPhoronix Test Suite System Monitoring7K14K21K28K35K

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingLinux 3.10Linux 3.11 GItLinux 3.9918273645SE +/- 0.09, N = 5SE +/- 0.06, N = 5SE +/- 0.10, N = 529.3429.4041.001. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second Per Watt, More Is Betterx264 2013-06-08H.264 Video EncodingLinux 3.10Linux 3.11 GItLinux 3.90.54451.0891.63352.1782.72251.782.002.42

x264

System Power Consumption Monitor

MinAvgMaxLinux 3.10106951647517505Linux 3.11 GIt85951470316320Linux 3.9100801695118330OpenBenchmarking.orgMilliwatts, Fewer Is Betterx264 2013-06-08System Power Consumption Monitor5K10K15K20K25K

Xonotic

Resolution: 1366 x 768 - Effects Quality: Low

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.7Resolution: 1366 x 768 - Effects Quality: LowLinux 3.10Linux 3.11 GItLinux 3.920406080100SE +/- 3.29, N = 6SE +/- 2.56, N = 6SE +/- 0.11, N = 375.7878.9483.89MIN: 41 / MAX: 134MIN: 42 / MAX: 133MIN: 57 / MAX: 134

Xonotic

Resolution: 1366 x 768 - Effects Quality: Low

OpenBenchmarking.orgFrames Per Second Per Watt, More Is BetterXonotic 0.7Resolution: 1366 x 768 - Effects Quality: LowLinux 3.10Linux 3.11 GItLinux 3.90.89331.78662.67993.57324.46653.523.973.70

Xonotic

System Power Consumption Monitor

MinAvgMaxLinux 3.10109802152428035Linux 3.11 GIt89551989024615Linux 3.9108602264326160OpenBenchmarking.orgMilliwatts, Fewer Is BetterXonotic 0.7System Power Consumption Monitor7K14K21K28K35K

Phoronix Test Suite v10.8.5