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. 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 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 OpenArena 0.8.5 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.2-generic .... 573.93 |================================================ Linux 3.2-lowlatency . 564.17 |=============================================== OpenArena 0.8.8 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.2-generic .... 142.50 |================================================ Linux 3.2-lowlatency . 143.27 |================================================ Xonotic 0.6 Resolution: 1920 x 1080 - Effects Quality: Low Frames Per Second > Higher Is Better Linux 3.2-generic .... 351.05 |================================================ Linux 3.2-lowlatency . 341.37 |=============================================== Xonotic 0.6 Resolution: 1920 x 1080 - Effects Quality: Ultra Frames Per Second > Higher Is Better Linux 3.2-generic .... 149.19 |================================================ Linux 3.2-lowlatency . 147.29 |=============================================== Unigine Heaven 3.0 Resolution: 1280 x 1024 Frames Per Second > Higher Is Better Linux 3.2-generic .... 49.02 |================================================= Linux 3.2-lowlatency . 49.10 |================================================= Unigine Sanctuary 2.3 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.2-generic .... 76.82 |================================================= Linux 3.2-lowlatency . 77.40 |================================================= Unigine Tropics 1.3 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.2-generic .... 60.79 |================================================= Linux 3.2-lowlatency . 61.28 |================================================= Nexuiz 2.5.2 Resolution: 1920 x 1080 - HDR: Yes - Sound: On Frames Per Second > Higher Is Better Linux 3.2-generic .... 162.12 |================================================ Linux 3.2-lowlatency . 160.53 |================================================ Lightsmark 2008 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.2-generic .... 423.70 |================================================ Linux 3.2-lowlatency . 362.18 |========================================= Doom 3 1.3.1 Resolution: 1920 x 1080 - Quality: High Frames Per Second > Higher Is Better Linux 3.2-generic .... 192.17 |================================================ Linux 3.2-lowlatency . 187.37 |===============================================