AMD and Intel both need to improve their Linux support

Subject: General Tech | May 28, 2012 - 10:00 AM |
Tagged: linux, Intel, amd, Ivy Bridge, llano, opencl

Two different stories today focus on how both major CPU vendors have allowed their support for the new features present in their architectures to fall behind for Linux OSes.  From The Inquirer we hear about the how poor OpenCL support from AMD is leaving APU accelerated computing for Linux to lag behind Windows development.  This goes far beyond purely graphical tasks and the complaints we have heard from gamers as OpenCL is a computing language that can handle far more than just pushing pixels.  The two most common OpenCL applications that people are familiar with are the GPU clients for BOINC and Folding@Home, which enable you to chug work units on your graphics card or the graphics cores on your CPU.  AMD's Neal Robinson who is the current senior director of Consumer Developer Support has taken up the challenge of promoting Linux OpenCL support from within AMD, so keep your eyes peeled for news from his team.

Intel's Ivy Bridge is no better according to Phoronix, as testing shows very little improvement on the default Ubuntu Unity desktop with Compiz.  That is what allows Ubuntu users to show the iconic Desktop Cube on the Gnome desktop environment and using it shows negative effects on the general performance of the system.  Switching to KDE and OpenGL generally resulted in better performance as did Xfce.  Phoronix does not hold out much hope for the improvement of Compiz on Ivy Bridge processors or Intel's open source drivers for the near future, either for graphics or GPU accelerated computation.

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"For AMD flaky Linux support isn't just a matter of gamers complaining, but now with its APUs, standard applications are simply not making use of the compute power that AMD needs to compete with Intel."

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Source: The Inquirer
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