Re: [OMPI devel] [OMPI users] dimension mapping of MPI_Cart_create

2010-06-30 Thread Paul Hilscher
Dear Jeff, thanks for the information. >Open MPI currently has very limited cartesian support -- it actually doesn't remap anything. I see, OpenMPI doesn't remap anything; this explains probably why my runtime of my simulation varies sometimes between 30% for the same setup. >Would you have any

Re: [OMPI devel] [OMPI users] dimension mapping of MPI_Cart_create

2010-06-30 Thread Jeff Squyres
On Jun 30, 2010, at 12:36 AM, Paul Hilscher wrote: > >Open MPI currently has very limited cartesian support -- it actually doesn't > >remap anything. > > I see, OpenMPI doesn't remap anything; this explains probably why my runtime > of my simulation varies sometimes between 30% for the same set

Re: [OMPI devel] [OMPI users] dimension mapping of MPI_Cart_create

2010-06-30 Thread Paul Hilscher
Dear Jeff, thanks for the information. >Open MPI currently has very limited cartesian support -- it actually doesn't remap anything. I see, OpenMPI doesn't remap anything; this explains probably why my runtime of my simulation varies sometimes between 30% for the same setup. >Would you have any