[mpiwg-p2p] Errata to MPI-3.0 and MPI-3.1 about MPI_WAIT

Richard Graham richardg at mellanox.com
Mon Dec 28 06:32:46 CST 2015

Just saw this, but not sure I agree with the correction.  What actually happens is implementation dependent, but the handle the user sees is indeed MPI_REQUEST_NULL.


-----Original Message-----
From: mpiwg-p2p [mailto:mpiwg-p2p-bounces at lists.mpi-forum.org] On Behalf Of Rolf Rabenseifner
Sent: Monday, December 28, 2015 6:12 AM
To: MPI WG Point To Point Communications working group <mpiwg-p2p at lists.mpi-forum.org>
Cc: mpi-comments <mpi-comments at mpi-forum.org>
Subject: [mpiwg-p2p] Errata to MPI-3.0 and MPI-3.1 about MPI_WAIT

Dear pt-2-pt WG and all,

In the description of MPI_WAIT,
MPI-3.1 page 53 line 24-25 and
MPI-3.0 page 53 line 27-28 reads

  Any other type of request is
  and the request handle is set to MPI_REQUEST_NULL.

but it should read

  Any other type of request is deallocated
  and the request handle is set to MPI_REQUEST_NULL.

This corrected text was voted into MPI-3.0 through ticket 321.
The missing "deallocated" is a "typo" probably during the implementation of this ticket before MPI-3.0 was published. 

Ticket 321:
page 54, lines 14-18. 

This is a request for an erratum for MPI-3.1, which also applies to MPI-3.0.

Best regards

Dr. Rolf Rabenseifner . . . . . . . . . .. email rabenseifner at hlrs.de High Performance Computing Center (HLRS) . phone ++49(0)711/685-65530 University of Stuttgart . . . . . . . . .. fax ++49(0)711 / 685-65832 Head of Dpmt Parallel Computing . . . www.hlrs.de/people/rabenseifner Nobelstr. 19, D-70550 Stuttgart, Germany . . . . (Office: Room 1.307) _______________________________________________
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