On Arch, you can simply install opencl-amd from the AUR, works with newest mainline kernel (e.g. folding@home works here on Polaris).
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AMDKFD GPUVM Support Updated For Radeon Discrete GPUs
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Originally posted by Peter Fodrek View Post
AMDKFD is not about openCL support. It is HSA
HSA in extreme simplification means, that there is no need of data transfer form CPU RAM into GPU RAM and vice versa.
The result is speedup as of
form
AMD recently introduced another model in its A-series APU family called the A10-7800. While we already know a lot about the Kaveri architecture, this particular chip's power profile makes it more interesting than the performance-oriented incarnations.
where execution of same code on the CPU lasts 855.4% time of HSA code execution and pure openCL code runs 643.5% of execution time for HSA code
but it only runs on APUs at least for open source driver.
AMDKFD enables HSA (GPU's capability of read form CPU RAM) for discrete AMD GPUs
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