Clpeak: OpenCL Device Profiling On Linux
Written by Michael Larabel in Hardware on 28 April 2014 at 09:26 AM EDT. Add A Comment
Clpeak is a relatively new open-source tool for querying the peak capabilities of OpenCL devices under Linux.

Clpeak is a tool to profile OpenCL devices to find their peak capabilities, such as the global memory bandwidth, single-precision compute, double-precision compute, and transfer bandwidth. The device works with the binary NVIDIA/AMD drivers as well as the open-source Gallium3D Clover stack and the ARM OpenCL Linux drivers.

The clpeak code is released into the public domain. The code has actually been in development for a few months and is hosted on GitHub. The code is just being brought up now since it's on its way to landing within Fedora Linux. Per this blog post, clpeak builds are within updates-testing right now on Fedora 20 and newer. The clinfo command is also already present in Fedora for displaying OpenCL device/driver information.

The new packages are part of the plans for Fedora 21 to ship great open-source OpenCL support within this next major Fedora Linux release, which will include shipping the Gallium3D-based "Clover" state tracker, Intel Beignet, and other open-source OpenCL code that's ready in time for the F21 debut late in the year.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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