The Current Open-Source OpenCL Experience On Fedora
Written by Michael Larabel in Fedora on 15 May 2015 at 09:38 AM EDT. 4 Comments
FEDORA --
With the open-source OpenCL news this week about Beignet working on OpenCL 2.0 support and Intel Cherryview now supporting OpenCL, I decided to see how the open-source OpenCL support is shaping up for the soon-to-be-released Fedora 22.

Beignet and friends aren't installed by default, but can be easily fetched through the Fedora repositories. Clinfo is another great package to install for new OpenCL Linux users to find out all of your OpenCL details.

Beignet 1.0.1 was in the F22 repository during testing to provide OpenCL 1.2 support for my Intel Haswell graphics processor. Beignet works out great even though it's not part of Mesa -- the Gallium3D Clover still is at CL 1.1, etc. Intel has several engineers working seemingly full-time on this open-source OpenCL stack.

Sadly though, the interesting OpenCL benchmarks like LuxMark weren't working on the Beignet 1.0.1 stack at this time as the program would crash while compiling the compute kernels.

POCL, the Portable Computing Language, is an interesting open-source project if seeking to get OpenCL on CPUs. POCL 0.10 provided OpenCL 1.2 to the Intel Haswell CPU on the test system I was toying with. However, it too still isn't along quite enough to get the new LuxMark CL benchmark and such up and running on it.
About The Author
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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