[mpiwg-rma] need MPI_MODE_NOSTORE (and MPI_MODE_NOLOAD) for passive-target
james.dinan at gmail.com
Mon Oct 21 12:06:00 CDT 2013
Sounds reasonable to me. Are there other assertions that would be useful
to consider? I can't think of a use case, but MPI_MODE_NOFLUSH could be
given in conventional lock/unlock epochs.
On Mon, Oct 21, 2013 at 12:30 PM, Jeff Hammond <jeff.science at gmail.com>wrote:
> Now that we allow both load-store and Put/Get within an epoch in the
> UNIFIED model, we should enable the MPI_MODE_NOSTORE as well as the
> new assertion MPI_MODE_NOLOAD for MPI_WIN_LOCK(_ALL) in MPI 3.0 \S
> This suggestion was inspired by Brian's comment about NIC-cached
> atomics. I presume that implementation can relax the consistent
> enforced if these assertions are used.
> This is not necessarily a complete statement of the issues at hand but
> I presume we can get there rather quickly if people think about this.
> Jeff Hammond
> jeff.science at gmail.com
> mpiwg-rma mailing list
> mpiwg-rma at lists.mpi-forum.org
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