Sparse matrix vector product performance

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Sparse matrix vector product performance

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Hello,

mkl sparse matrix dense vector product is about 30% slower than my own routine.
Tested with a symmetric matrix from fem unstructured mesh, on amd64 and xeon platforms and mkl version 8.1, 9.1 and 10.

I am puzzled by these results, has anybody benchmarked those mkl routines ?

Regards,
Boolegue.

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