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CUDA-x86.

difference between $acc region vs. $acc data region
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mkcolg



Joined: 30 Jun 2004
Posts: 4996
Location: The Portland Group Inc.
PostPosted: Tue Nov 24, 2009 9:43 am    Post subject: Reply with quote
Yes, using the data region here will be much faster since A, B, and C will only be copied to the GPU once. Without the data region they would be copied 100 times.

- Mat
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