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ADua0's avatar
ADua0
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Intel opencl kernel execution

In my opencl design I have multiple kernel which are executed one after the other. what i am seeing is , although let's say second kernel uses results of first kernel and waits for first kernel to f...
HRZ's avatar
HRZ
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

It depends on how long the gap is. There is certainly a kernel launch overheard. Moreover, when profiling, profile results are dumped to the disk between kernel executions which will further increase the gap. If you are saving the profiling results to a network-attached storage, the gap will get even larger.