[petsc-dev] Goto BLAS
Dave Nystrom
dnystrom1 at comcast.net
Tue Dec 27 00:21:36 CST 2011
BTW, the Intel MKL results below are for the sequential version of MKL. I
have not yet tried the threaded version of MKL. Not sure if threading helps
that much for blocks of that size i.e. default is 32x32.
Dave
Dave Nystrom writes:
> I was wondering if anyone has experimented with using Goto BLAS with Petsc
> for algorithms that make heavy use of blas and if there is any idea how it
> compares to Intel MKL.
>
> I'm finding that using Intel MKL with umfpack is speeding up my sparse direct
> solves by about 2x. I'm just using default parameters with umfpack and have
> not yet tried to tune any of the various configurable parameters.
>
> Thanks,
>
> Dave
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