Dave Love <d.l...@liverpool.ac.uk> writes: > PETSc can't be using MPI-3 because I'm in the process of fixing rpm > packaging for the current version and building it with ompi 1.6.
It would be folly for PETSc to ship with a hard dependency on MPI-3. You wouldn't be able to package it with ompi-1.6, for example. But that doesn't mean PETSc's configure can't test for MPI-3 functionality and use it when available. Indeed, it does (though for different capability than mentioned in this thread). > (Exascale is only of interest if when are spins-off useful for > university-scale systems.) I was hoping for a running example. The relevant example for the technique mentioned in this thread is in src/ksp/ksp/examples/tests/benchmarkscatters of the 'master' versus 'barry/utilize-hwloc' branches. It's completely experimental at this time.
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