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
