[mpiwg-rma] [EXTERNAL] Re: Synchronization on shared memory windows

Balaji, Pavan balaji at anl.gov
Wed Feb 5 11:57:40 CST 2014

On Feb 5, 2014, at 11:54 AM, Jeff Hammond <jeff.science at gmail.com> wrote:
> I think advice to users regarding WIN_SYNC wouldn't hurt given that
> some of us are talking about it as if it is a portable abstraction for
> a memory barrier when it is now only correct to use it within an RMA
> sync epoch.  Or we need to relax this restriction.

Without this restriction, there’s no connection to what memory is being made consistent with the WIN_SYNC call.  I’d be against removing it.

  — Pavan

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