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. Linux 3.9: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: ASUS Intel 3rd Gen Core, Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.9.0-030900-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.2, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel (git-adfd012), Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 1366x768 Linux 3.10: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: ASUS Intel 3rd Gen Core, Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.10.0-031000-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.2, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel (git-adfd012), Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 1366x768 Linux 3.11 GIt: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: ASUS Intel 3rd Gen Core, Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.2, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel (git-adfd012), Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 1366x768 Xonotic 0.7 Resolution: 1366 x 768 - Effects Quality: Low Frames Per Second > Higher Is Better Linux 3.9 ...... 83.89 |======================================================= Linux 3.10 ..... 75.78 |================================================== Linux 3.11 GIt . 78.94 |==================================================== Xonotic 0.7 Resolution: 1366 x 768 - Effects Quality: Low Frames Per Second Per Watt > Higher Is Better Linux 3.9 ...... 3.70 |==================================================== Linux 3.10 ..... 3.52 |================================================== Linux 3.11 GIt . 3.97 |======================================================== Xonotic 0.7 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.9 ...... MIN: 10860 AVG: 22643 MAX: 26160 Linux 3.10 ..... MIN: 10980 AVG: 21524 MAX: 28035 Linux 3.11 GIt . MIN: 8955 AVG: 19890 MAX: 24615 OpenArena 0.8.5 Resolution: 1366 x 768 Frames Per Second > Higher Is Better Linux 3.9 ...... 141.87 |====================================================== Linux 3.10 ..... 122.65 |=============================================== Linux 3.11 GIt . 112.60 |=========================================== OpenArena 0.8.5 Resolution: 1366 x 768 Frames Per Second Per Watt > Higher Is Better Linux 3.9 ...... 6.63 |======================================================== Linux 3.10 ..... 5.54 |=============================================== Linux 3.11 GIt . 6.10 |==================================================== OpenArena 0.8.5 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.9 ...... MIN: 10020 AVG: 21407 MAX: 25470 Linux 3.10 ..... MIN: 11460 AVG: 22126 MAX: 28095 Linux 3.11 GIt . MIN: 10635 AVG: 18449 MAX: 21405 x264 2013-06-08 H.264 Video Encoding Frames Per Second > Higher Is Better Linux 3.9 ...... 41.00 |======================================================= Linux 3.10 ..... 29.34 |======================================= Linux 3.11 GIt . 29.40 |======================================= x264 2013-06-08 H.264 Video Encoding Frames Per Second Per Watt > Higher Is Better Linux 3.9 ...... 2.42 |======================================================== Linux 3.10 ..... 1.78 |========================================= Linux 3.11 GIt . 2.00 |============================================== x264 2013-06-08 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.9 ...... MIN: 10080 AVG: 16951 MAX: 18330 Linux 3.10 ..... MIN: 10695 AVG: 16475 MAX: 17505 Linux 3.11 GIt . MIN: 8595 AVG: 14703 MAX: 16320 PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Linux 3.9 ...... 2698 |======================================================== Linux 3.10 ..... 1399 |============================= Linux 3.11 GIt . 1402 |============================= PostMark 1.51 Disk Transaction Performance TPS Per Watt > Higher Is Better Linux 3.9 ...... 183.56 |====================================================== Linux 3.10 ..... 103.14 |============================== Linux 3.11 GIt . 115.70 |================================== PostMark 1.51 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.9 ...... MIN: 3255 AVG: 14698 MAX: 15075 Linux 3.10 ..... MIN: 10185 AVG: 13564 MAX: 14730 Linux 3.11 GIt . MIN: 8505 AVG: 12117 MAX: 13590 Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second > Higher Is Better Linux 3.10 ..... 7133.29 |==================================================== Linux 3.11 GIt . 7327.82 |===================================================== Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second Per Watt > Higher Is Better Linux 3.10 ..... 473.87 |================================================== Linux 3.11 GIt . 513.59 |====================================================== Apache Benchmark 2.4.3 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.9 ...... MIN: 9975 AVG: 10074 MAX: 10290 Linux 3.10 ..... MIN: 6510 AVG: 15053 MAX: 16965 Linux 3.11 GIt . MIN: 8745 AVG: 14268 MAX: 16125 System Power Consumption Monitor Phoronix Test Suite System Monitoring Milliwatts Linux 3.9 ...... MIN: 3255 AVG: 18230 MAX: 26160 Linux 3.10 ..... MIN: 6510 AVG: 17943 MAX: 28095 Linux 3.11 GIt . MIN: 8505 AVG: 16184 MAX: 24615