On Wed, Oct 17, 2012 at 10:50 AM, Hong Zhang <hzhang at mcs.anl.gov> wrote:
> Lately, we added a new implementation of MatTransposeMatMult() in petsc-dev > which is shown much faster than released MatTransposeMatMult(). > You might give it a try by > 1. install petsc-dev (see > http://www.mcs.anl.gov/petsc/developers/index.html) > 2. run your code with option '-mattransposematmult_viamatmatmult 1' > Let us know what you get. > For the time-being, this will only work with non-broken MPI datatypes. https://svn.open-mpi.org/trac/ompi/ticket/2656 https://svn.open-mpi.org/trac/ompi/ticket/1905 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20121017/0ecd902c/attachment.html>
