[mpich-discuss] Oversubscription with Nemesis

[Jed Brown]

I know this has been filed as a ticket, but it seems to be postponed
quasi-indefinitely at this point.

http://trac.mcs.anl.gov/projects/mpich2/ticket/79

I'd like to emphasize that over-subscription is extremely commonly used
during initial development and method experimentation (not performance
studies, obviously) and consequently, PETSc continues to use ch3:sock as
the default for new installs (via --download-mpich, which is used by a
large fraction of PETSc users). It appears that you are trying to wean the
community off of sock in favor of nemesis, but as long as this bug is not
fixed, you will continue to get thousands of new sock installs.
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