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Gilles Gouaillardet ce7b3113f6 coll: reduce_scatter_block: rename and MCA parameter description fix
- rename ompi_coll_base_reduce_scatter_block_basic to
   more self descriptive ompi_coll_base_reduce_scatter_block_basic_linear
 - fix the description of the coll_tuned_reduce_scatter_block_algorithm
   MCA param

this fixes and documents previous open-mpi/ompi@0e8b35b615

MPI_Reduce_scatter_block used to be implemented by the coll/basic module only.
A new algo (recursive doubling) was recently introduced and can be used via the coll/tuned module,
but we never intended to make it the default algo.
In order to "restore" the previous default, the initial algo was moved from coll/basic to coll/base,
and is now used by default by coll/tuned.

Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
2018-05-09 08:54:48 +09:00
..
2017-10-02 21:33:40 -04:00