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Altera_Forum's avatar
Altera_Forum
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11 years ago

Why CPU is faster then NVIDIA GeForce 740?

Hey, I've recently started developing program under OpenCL and created Kernel and it's executed corretly, but somehow calculations made by my Intel CPU are faster then same one made by my grafic card...
Altera_Forum's avatar
Altera_Forum
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11 years ago

One possible reason I might think of is the kernel launch overhead so you should profile your code and see whether it is the case.

Are you running your code on Windows or Linux? The overhead might be a problem if you have too small(fast) kernels or little data.