On 08/02/2018 05:57 PM, Hefty, Sean wrote:
MPI synchronous send does not guarantee data placement into the target
buffer. It only guarantees that the recv operation on the target side
has been posted and matched. The data can still come later.
How about this change then?
FI_MATCH_COMPLETE*
: Indicates that a completion should be generated only after the
operation
has been placed into the application specified buffer.
^^^^^^^^^^^^^^^
matched with an
Looks good to me.
Operations using
this completion semantic are dependent on the application at the
target
claiming the message or results. As a result, match complete may
involve
additional provider level acknowledgements or lengthy delays.
However, this
completion model enables peer applications to synchronize their
execution.
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