Vincent Hindriksen from StreamComputing writes that, too often, parallel computing buyers choose their hardware (the car) based on the fuel they want to use (OpenCL or CUDA):
If we give advise during a consult, we want to give the best advice. In case of CUDA, that would be based on budget to go for Tesla or the latest GTX; in case of OpenCL we can give much better advice on hardware. But actually starting with the technique is the worst thing you can do: focus on the hardware and then pick the technique that suits best.
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