Intel Linux 3.11 Kernel Power Tests

Intel Core i5-2520M testing of modern Linux kernel power consumption. Benchmarking 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 1308098-SO-INTELLINU35
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Linux 3.8
August 09 2013
 
Linux 3.9
August 09 2013
 
Linux 3.10
August 08 2013
 
Linux 3.11 Git
August 08 2013
 
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Linux 3.8

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.8.0-030800-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Graphics Notes: SNA
System Notes: This was running on battery power.

Linux 3.9

Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.9.0-030900-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: intel_pstate powersave
Graphics Notes: SNA
System Notes: This was running on battery power.

Linux 3.10

OS: Ubuntu 13.10, Kernel: 3.10.0-031000-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Linux 3.11 Git

OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Intel Linux 3.11 Kernel Power TestsProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLinux 3.8Linux 3.9Linux 3.10Linux 3.11 GitIntel Core i5-2520M @ 2.50GHz (4 Cores)HP 161CIntel 2nd Generation Core Family DRAM4096MB160GB INTEL SSDSA2M160Intel 2nd Generation Core Family IGP (1300MHz)IDT 92HD81B1X5Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205Ubuntu 13.103.8.0-030800-generic (x86_64)Xfce 4.10X Server 1.14.2intel 2.21.123.1 Mesa 9.1.4GCC 4.8ext41600x900Intel Core i5-2520M @ 3.20GHz (4 Cores)3.9.0-030900-generic (x86_64)3.10.0-031000-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 Processor Details- Linux 3.8: Scaling Governor: acpi-cpufreq ondemand- Linux 3.9: Scaling Governor: intel_pstate powersave- Linux 3.10: Scaling Governor: intel_pstate powersave- Linux 3.11 Git: Scaling Governor: intel_pstate powersaveGraphics Details- SNASystem Details- This was running on battery power.

Linux 3.8Linux 3.9Linux 3.10Linux 3.11 GitResult OverviewPhoronix Test Suite100%103%107%110%Apache BenchmarkXonoticFLAC Audio EncodingOpenArenaLAME MP3 EncodingC-Ray

Intel Linux 3.11 Kernel Power Testsencode-flac: WAV To FLACencode-mp3: WAV To MP3openarena: 1600 x 900xonotic: 1600 x 900 - Highc-ray: Total Timeapache: Static Web Page ServingLinux 3.8Linux 3.9Linux 3.10Linux 3.11 Git6.5117.0627.1745.4774.3418141.326.5517.0427.2745.8674.3617670.896.5117.0227.2345.2274.3416077.996.5517.0727.2345.9374.3815960.57OpenBenchmarking.org

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLinux 3.9Linux 3.8Linux 3.11 GitLinux 3.10246810SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 56.556.516.556.511. (CXX) g++ options: -O2 -fvisibility=hidden -logg -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 MP3Linux 3.9Linux 3.8Linux 3.11 GitLinux 3.1048121620SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 517.0417.0617.0717.021. (CC) gcc options: -O3 -fomit-frame-pointer -ffast-math -pipe -lm

OpenArena

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 1600 x 900Linux 3.9Linux 3.8Linux 3.11 GitLinux 3.10612182430SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 327.2727.1727.2327.23MIN: 5 / MAX: 80MIN: 6 / MAX: 80MIN: 6 / MAX: 80MIN: 6 / MAX: 81

Xonotic

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.7Resolution: 1600 x 900 - Effects Quality: HighLinux 3.9Linux 3.8Linux 3.11 GitLinux 3.101020304050SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.52, N = 345.8645.4745.9345.22MIN: 27 / MAX: 61MIN: 26 / MAX: 60MIN: 27 / MAX: 61MIN: 3 / MAX: 61

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 TimeLinux 3.9Linux 3.8Linux 3.11 GitLinux 3.1020406080100SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 374.3674.3474.3874.341. (CC) gcc options: -lm -lpthread -O3

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLinux 3.9Linux 3.8Linux 3.11 GitLinux 3.104K8K12K16K20KSE +/- 160.27, N = 3SE +/- 9.71, N = 3SE +/- 205.26, N = 3SE +/- 37.83, N = 317670.8918141.3215960.5716077.991. (CC) gcc options: -shared -fPIC -O2 -pthread

FLAC Audio Encoding

MinAvgMaxLinux 3.9143432462630919Linux 3.8143792281630491Linux 3.11 Git139382275830850Linux 3.10147262011330887OpenBenchmarking.orgMilliwatts, Fewer Is BetterFLAC Audio Encoding 1.3.0System Power Consumption Monitor8K16K24K32K40K

OpenArena

OpenBenchmarking.orgMilliseconds, Fewer Is BetterOpenArena 0.8.8Resolution: 1600 x 900 - Total Frame TimeLinux 3.9Linux 3.8Linux 3.11 GitLinux 3.101530456075Min: 6 / Avg: 36.6 / Max: 80Min: 6 / Avg: 36.84 / Max: 79Min: 6 / Avg: 36.67 / Max: 80Min: 6 / Avg: 36.67 / Max: 80

MinAvgMaxLinux 3.9138324113444283Linux 3.8136653718539025Linux 3.11 Git139474094043995Linux 3.10138544223644456OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenArena 0.8.8System Power Consumption Monitor12K24K36K48K60K

Xonotic

MinAvgMaxLinux 3.9140794358146672Linux 3.8143294045742907Linux 3.11 Git142284419647100Linux 3.10141704378447037OpenBenchmarking.orgMilliwatts, Fewer Is BetterXonotic 0.7System Power Consumption Monitor12K24K36K48K60K

C-Ray

MinAvgMaxLinux 3.9146944048441313Linux 3.8140363871240431Linux 3.11 Git312983995740970Linux 3.10142913992241226OpenBenchmarking.orgMilliwatts, Fewer Is BetterC-Ray 1.1System Power Consumption Monitor11K22K33K44K55K

Apache Benchmark

MinAvgMaxLinux 3.9140794012743422Linux 3.8140923639542662Linux 3.11 Git141274049643491Linux 3.10144923851543925OpenBenchmarking.orgMilliwatts, Fewer Is BetterApache Benchmark 2.4.3System Power Consumption Monitor11K22K33K44K55K

LAME MP3 Encoding

MinAvgMaxLinux 3.9140922529231414Linux 3.8140923030530750Linux 3.11 Git141072440231233Linux 3.10141192819831398OpenBenchmarking.orgMilliwatts, Fewer Is BetterLAME MP3 Encoding 3.99.3System Power Consumption Monitor8K16K24K32K40K

System Power Consumption Monitor

MinAvgMaxLinux 3.9138323965646672Linux 3.8136653662842907Linux 3.11 Git139383931547100Linux 3.10138543958247037OpenBenchmarking.orgMilliwattsSystem Power Consumption MonitorPhoronix Test Suite System Monitoring12K24K36K48K60K

Linux 3.8

Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.8.0-030800-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Graphics Notes: SNA
System Notes: This was running on battery power.

Testing initiated at 9 August 2013 10:09 by user phoronix.

Linux 3.9

Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.9.0-030900-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: intel_pstate powersave
Graphics Notes: SNA
System Notes: This was running on battery power.

Testing initiated at 9 August 2013 00:37 by user phoronix.

Linux 3.10

Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.10.0-031000-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: intel_pstate powersave
Graphics Notes: SNA
System Notes: This was running on battery power.

Testing initiated at 8 August 2013 23:52 by user phoronix.

Linux 3.11 Git

Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel 2nd Generation Core Family IGP (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --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
Processor Notes: Scaling Governor: intel_pstate powersave
Graphics Notes: SNA
System Notes: This was running on battery power.

Testing initiated at 8 August 2013 23:03 by user phoronix.