What happens when you pull out some vintage computer hardware and run the latest Linux software as well as go back and run some of the oldest software available? Well, in the case of systems with antiquated R300-era ATI Radeon graphics, you are left with a downward slope in performance. Not only is the latest open-source Radeon graphics driver not always performing as well as an ancient Catalyst driver, but also the power consumption of the latest Linux code remains on an incline.
19 January 2012 - 51 Comments
Now that the Nouveau, Radeon, and LLVMpipe graphics drivers have been tested under Mesa 8.0, what is left? The Intel DRI driver, of course! The open-source Sandy Bridge Linux graphics support is shining with Mesa 8.0 thanks to OpenGL 3.0 support and measurable performance improvements. Intel Ivy Bridge is also ready to run under Linux.
18 January 2012 - 7 Comments
Patches finally arrived last week for 2D color tiling in the Radeon R600 Gallium3D driver. The patches were then re-based this past weekend and benchmarked by Phoronix. Will the 2D color tiling patches, which affect the Linux kernel, Mesa, libdrm, and xf86-video-ati DDX make the more recent Radeon graphics cards more competitive under open-source to the Catalyst driver?
17 January 2012 - 15 Comments
After looking last week at the ATI/AMD Radeon Gallium3D performance under Mesa 8.0 and comparing its performance to Mesa 7.11 and the closed-source AMD Catalyst driver, along with the LLVMpipe driver performance, we're now focusing upon the Nouveau Gallium3D implementation that seeks to provide open-source NVIDIA hardware support. This comparison is pitting Nouveau in Mesa 8.0 against Mesa 7.11 and the official NVIDIA Linux driver.
16 January 2012 - 13 Comments
Now that I've shared eight good features and eight bad traits of Mesa 8.0, which is the open-source graphics hardware library that's now supportive of OpenGL 3.0, it's time to begin looking closer at the performance. In this article are benchmarks of ATI/AMD Radeon graphics cards spanning five generations to show how the Mesa 8.0 performance compares to the previous release (Mesa 7.11) and the proprietary Catalyst driver.
12 January 2012 - 20 Comments
Intel's experimental "Sandy Bridge New Acceleration" (SNA) acceleration architecture is a constant work-in-progress that even in the past two weeks over the holidays has received more than 100 changes. How though is this new 2D acceleration architecture fairing these days rather than the stock UXA configuration? In this article are our first Intel SNA benchmarks of 2012 when enabling this architecture.
6 January 2012 - 1 Comment
Back in December I posted historical Intel Sandy Bridge benchmarks looking at the graphics performance over the course of 2011 that this latest-generation of Intel hardware has been supported under Linux. In this article are some similar Intel OpenGL benchmarks of each quarter going back to the end of 2010, but this time it is for the previous-generation Intel Ironlake hardware.
5 January 2012 - 1 Comment
After yesterday's article about the Grinch that stole the Radeon Gallium3D performance, here's three offending commits since Mesa 7.10 that are causing the open-source Radeon Gallium3D driver to run slower than it should.
23 December 2011 - 16 Comments
There are some significant performance drops right now on Mesa master for the forthcoming 7.12/8.0 release concerning the Gallium3D driver for older ATI Radeon graphics processors. The performance of the R300g driver is now setback compared to earlier Mesa releases.
22 December 2011 - 20 Comments
If after reading about the recent Nouveau DRM improvements, you were hoping the kernel driver updates fixed-up the situation for the Fermi "NVD0" graphics processors, you are sadly mistaken: it is still a busted mess.
21 December 2011 - 8 Comments
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