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Why the more time is consumed by the w7100 GPU to process first frame than following frames.

Question asked by ajinidev on Jul 20, 2015



I have developed a image processing algorithm in direct compute and my target is to chose the best AMD GPU out of w7100 and w8000.

On calculating the performance of both GPUs, it seems that w7100 GPU is consuming much more time for processing the first image frame.
I would like to know why this happens.

Please contribute your ideas for the same.