Linux 3.2 Ubuntu Kernels - Low-Latency Linux

Some quick testing of the Ubuntu Linux 3.2 kernels as available from the Ubuntu 12.04 LTS Precise repository for a future article on Phoronix.com that quickly looks at whether the OpenGL / gaming performance is affected by the Ubuntu Linux low-latency kernel flavor.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1206223-SU-LINUX32UB40
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Linux 3.2-generic
June 19 2012
 
Linux 3.2-lowlatency
June 19 2012
 
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Linux 3.2-generic

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Ivy Bridge DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: NVIDIA GeForce GTX 460 768MB (675/1800MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 12.04, Kernel: 3.2.0-25-generic (x86_64), Desktop: Unity 5.12.0, Display Server: X Server 1.11.3, Display Driver: NVIDIA 295.49, OpenGL: 4.2.0 NVIDIA 295.49, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080

System Notes: Compiz was running on this system.

Linux 3.2-lowlatency

OS: Ubuntu 12.04, Kernel: 3.2.0-23-lowlatency (x86_64), Desktop: Unity 5.12.0, Display Server: X Server 1.11.3, Display Driver: NVIDIA 295.49, OpenGL: 4.2.0 NVIDIA 295.49, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080

Linux 3.2 Ubuntu Kernels - Low-Latency LinuxOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-3770K @ 3.50GHz (8 Cores)ECS Z77H2-A2X v1.0Intel Ivy Bridge DRAM16384MB240GB OCZ VERTEX3NVIDIA GeForce GTX 460 768MB (675/1800MHz)Realtek ALC892Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205Ubuntu 12.043.2.0-25-generic (x86_64)3.2.0-23-lowlatency (x86_64)Unity 5.12.0X Server 1.11.3NVIDIA 295.494.2.0 NVIDIA 295.49GCC 4.6ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelsDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLinux 3.2 Ubuntu Kernels - Low-Latency Linux BenchmarksSystem Logs- Compiz was running on this system.

Linux 3.2-generic vs. Linux 3.2-lowlatency ComparisonPhoronix Test SuiteBaseline+4.3%+4.3%+8.6%+8.6%+12.9%+12.9%1920 x 108017%1920 x 1080 - Low2.8%1920 x 1080 - High2.6%LightsmarkXonoticDoom 3Linux 3.2-genericLinux 3.2-lowlatency

Linux 3.2 Ubuntu Kernels - Low-Latency Linuxdoom3: 1920 x 1080 - Highlightsmark: 1920 x 1080nexuiz: 1920 x 1080 - Yes - Onopenarena: 1920 x 1080openarena: 1920 x 1080unigine-heaven: 1280 x 1024unigine-sanctuary: 1920 x 1080unigine-tropics: 1920 x 1080xonotic: 1920 x 1080 - Lowxonotic: 1920 x 1080 - UltraLinux 3.2-genericLinux 3.2-lowlatency192.17423.70162.12573.93142.5049.0276.8260.79351.05149.19187.37362.18160.53564.17143.2749.1077.4061.28341.37147.29OpenBenchmarking.org

Doom 3

OpenBenchmarking.orgFrames Per Second, More Is BetterDoom 3 1.3.1Resolution: 1920 x 1080 - Quality: HighLinux 3.2-genericLinux 3.2-lowlatency4080120160200SE +/- 1.83, N = 3SE +/- 2.25, N = 3192.17187.37

Lightsmark

OpenBenchmarking.orgFrames Per Second, More Is BetterLightsmark 2008Resolution: 1920 x 1080Linux 3.2-genericLinux 3.2-lowlatency90180270360450SE +/- 0.34, N = 3SE +/- 0.78, N = 3423.70362.18

Nexuiz

This is a benchmark of Nexuiz, a popular open-source first-person shooter. This game uses the DarkPlaces engine, which is a largely modified version of the Quake engine with extra features such as High Dynamic Range rendering and OpenGL 2.0 shaders. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterNexuiz 2.5.2Resolution: 1920 x 1080 - HDR: Yes - Sound: OnLinux 3.2-genericLinux 3.2-lowlatency4080120160200SE +/- 1.63, N = 3SE +/- 0.59, N = 3162.12160.53

OpenArena

This is a test of OpenArena, a popular open-source first-person shooter. This game is based upon ioquake3, which in turn uses the GPL version of id Software's Quake 3 engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.5Resolution: 1920 x 1080Linux 3.2-genericLinux 3.2-lowlatency120240360480600SE +/- 1.07, N = 3SE +/- 3.84, N = 3573.93564.17

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.8Resolution: 1920 x 1080Linux 3.2-lowlatencyLinux 3.2-generic306090120150SE +/- 0.09, N = 3SE +/- 0.23, N = 3143.27142.50

Unigine Heaven

OpenBenchmarking.orgFrames Per Second, More Is BetterUnigine Heaven 3.0Resolution: 1280 x 1024Linux 3.2-lowlatencyLinux 3.2-generic1122334455SE +/- 0.03, N = 3SE +/- 0.04, N = 349.1049.02

Unigine Sanctuary

OpenBenchmarking.orgFrames Per Second, More Is BetterUnigine Sanctuary 2.3Resolution: 1920 x 1080Linux 3.2-lowlatencyLinux 3.2-generic20406080100SE +/- 0.02, N = 3SE +/- 0.04, N = 377.4076.82

Unigine Tropics

OpenBenchmarking.orgFrames Per Second, More Is BetterUnigine Tropics 1.3Resolution: 1920 x 1080Linux 3.2-lowlatencyLinux 3.2-generic1428425670SE +/- 0.03, N = 3SE +/- 0.04, N = 361.2860.79

Xonotic

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.6Resolution: 1920 x 1080 - Effects Quality: LowLinux 3.2-genericLinux 3.2-lowlatency80160240320400SE +/- 4.90, N = 3SE +/- 1.54, N = 3351.05341.37

OpenBenchmarking.orgFrames Per Second, More Is BetterXonotic 0.6Resolution: 1920 x 1080 - Effects Quality: UltraLinux 3.2-genericLinux 3.2-lowlatency306090120150SE +/- 0.29, N = 3SE +/- 0.24, N = 3149.19147.29

Linux 3.2-generic

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Ivy Bridge DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: NVIDIA GeForce GTX 460 768MB (675/1800MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 12.04, Kernel: 3.2.0-25-generic (x86_64), Desktop: Unity 5.12.0, Display Server: X Server 1.11.3, Display Driver: NVIDIA 295.49, OpenGL: 4.2.0 NVIDIA 295.49, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080

System Notes: Compiz was running on this system.

Testing initiated at 19 June 2012 08:39 by user phoronix.

Linux 3.2-lowlatency

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Ivy Bridge DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: NVIDIA GeForce GTX 460 768MB (675/1800MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 12.04, Kernel: 3.2.0-23-lowlatency (x86_64), Desktop: Unity 5.12.0, Display Server: X Server 1.11.3, Display Driver: NVIDIA 295.49, OpenGL: 4.2.0 NVIDIA 295.49, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080

System Notes: Compiz was running on this system.

Testing initiated at 19 June 2012 09:40 by user phoronix.