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Mikhail Kurnosov b45e190e66 coll/base/allgatherv: fix MPI_IN_PLACE processing
The call of MPI_Allgatherv with sendbuf and sendtype parameters equal to MPI_IN_PLACE and NULL correspondingly, produces the segmentation fault.

The problem is that sendtype is used even when sendbuf value is MPI_IN_PLACE. But according to the standard, sendtype and sendcount parameters should be ignored in this case.

Signed-off-by: Mikhail Kurnosov <mkurnosov@gmail.com>
2018-07-27 09:34:17 +07:00
..
2018-03-26 14:21:21 -07:00
2017-11-08 07:02:27 -08:00
2018-03-21 05:16:25 +02:00