Jed Brown <j...@jedbrown.org> writes: > 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).
Apologies, but I couldn't see anywhere it does, though I don't follow its configuration mechanism. > 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. Thanks.
