Trying Intel OpenCL On Linux For Video Encoding
The open-source x264 program does support OpenCL acceleration -- when building x264 it will check for the presence of OpenCL development support and then at runtime the --opencl switch must be passed for exploiting the potential of any OpenCL hardware. The x264 test profile part of the Phoronix Test Suite is strictly intended for CPU-based testing so this weekend I added a x264-opencl test profile that uses the same revision of x264 and the same media file, but the only difference is that it forces OpenCL support. So now with the Phoronix Test Suite it's as easy as running phoronix-test-suite benchmark x264 x264-opencl to run the CPU-bound x264 and the OpenCL version for easy comparison purposes.
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