[Mpi3-rma] MPI-3 UNIFIED model clarification
balaji at mcs.anl.gov
Mon Jul 29 22:44:47 CDT 2013
On 07/29/2013 10:18 PM, Underwood, Keith D wrote:
>And, um, technically, if loads can be hoisted
> across the MPI_Recv, then the MPI_Recv semantics are incorrect and
> you have to have a memory barrier in MPI_Recv.
Why is reordering not permitted for two unrelated memory loads? AFAIK,
ARM allows that.
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