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Mikhail Kurnosov 91a4b4c799 coll/libnbc: add recursive doubling algorithm for MPI_Iallgather
Implements recursive doubling algorithm for MPI_Iallgather.
The algorithm can be used only for power-of-two number of processes.

Signed-off-by: Mikhail Kurnosov <mkurnosov@gmail.com>
(cherry picked from commit a7386c1e09fb274991ca5b50d9d418a0d6b77b6c)
Signed-off-by: Brian Barrett <bbarrett@amazon.com>
2020-06-25 23:06:51 +00:00
..
2020-06-25 23:06:51 +00:00