On Wed, 2009-06-10 at 09:07 -0600, Ralph Castain wrote: > Hi Ashley > > Thanks! I would definitely be interested and will look at the tool.
Great. My plan was to introduce the tool to this list today or tomorrow anyway but this problem falls right it's it's target area so I brought it up early. > Meantime, I have filed a bunch of data on this in ticket #1944, so > perhaps you might take a glance at that and offer some thoughts? > > https://svn.open-mpi.org/trac/ompi/ticket/1944 One thing that springs to mind is does the fortran reproducer hang on other machines if you use the same process geometry. That would tell us if we are looking for a pure OpenMPI problem or a wider issue, potentially eliminating any questions about numa memory layout. > Will be back after I look at the tool. Ashley, -- Ashley Pittman, Bath, UK. Padb - A parallel job inspection tool for cluster computing http://padb.pittman.org.uk