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CULA • View topic - Why using CULA in matlab is slower than MKL

Why using CULA in matlab is slower than MKL

General discussion for CULA. Use this forum for questions, examples, feedback, and feature requests.

Why using CULA in matlab is slower than MKL

Postby areslp » Wed Mar 13, 2013 6:48 pm

areslp
 
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Re: Why using CULA in matlab is slower than MKL

Postby john » Thu Mar 14, 2013 7:02 am

Your two tests are exercising different code paths in SVD. One is N,N (no vectors) and the other is A,A (all vectors).

Keep in mind that your GPU is rather weak, so it might not produce great numbers.
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Re: Why using CULA in matlab is slower than MKL

Postby areslp » Sat Mar 16, 2013 3:13 am

Thanks, I change 'AA' to 'NN', and the performance in benchmark is coincident with it in matlab.
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