[mpiwg-rma] Fence + threads

[Jeff Hammond]

I want it to be legal, don't think it's clear from the standard, and expect that pattern to break some implementations.

What's the use case?

Jeff

Sent from my iPhone

> On Jun 20, 2014, at 11:16 AM, "Balaji, Pavan" <balaji at anl.gov> wrote:
> 
> 
> Is the following code correct?  Two threads of a process both do the following:
> 
> MPI_PUT
> MPI_PUT
> MPI_WIN_FENCE
> 
> Collectives are not allowed on the same communicator simultaneously.  But we don’t say anything similar for windows.
> 
>  — Pavan
> 
> _______________________________________________
> mpiwg-rma mailing list
> mpiwg-rma at lists.mpi-forum.org
> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpiwg-rma