[mpich-devel] progress in flushall

[Balaji, Pavan]

On Apr 29, 2014, at 10:20 PM, Jeff Hammond <jeff.science at gmail.com> wrote:
> Yeah, I know that's what MPICH gives me.  My point is that is
> undesirable.  All sync operations should make progress, no matter
> what.

They are not required to make progress from the spec perspective.  It’s a bad assumption to make that Win_flush will always make progress.  I think it’s OK for it to be mostly a no-op when there are no operations posted.  If you need progress, why don’t you use test or something similar?

  — Pavan