ESSL contains a BLAS, but you can get a nice standard LAPACK/CBLAS on BlueGene by following these instructions: http://www.pdc.kth.se/resources/computers/bluegene/LAPACK-CBLAS/LAPACK-CBLAS-build
A On Mon, Sep 13, 2010 at 2:55 PM, Barry Smith <bsmith at mcs.anl.gov> wrote: > > On Sep 13, 2010, at 1:56 PM, Jed Brown wrote: > > > On Mon, 13 Sep 2010 13:42:05 -0500, Barry Smith <bsmith at mcs.anl.gov> > wrote: > >> My point is not only do they get a slower GEEV but they get a slower > >> everything in LAPACK. [...] Why not just use LAPACK? > > > > Yup, I get your point. But Lapack usually needs a BLAS, and the > > original (flawed) idea was that a fast BLAS would produce a competitive > > Lapack. > > > What, Jack made a mistake? Never. > > Does ESSL itself contain "the BLAS" or is there also a libblas type > thingy on the IBM you could link against? > > None of this really matters because you are still stuck writing the > configure test for geev. > > Barry > > > > Jed > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20100913/b5def309/attachment.html>
