add butterfly algorithm from openmpi

[simgrid.git] / docs / source / app_smpi.rst

diff --git a/docs/source/app_smpi.rst b/docs/source/app_smpi.rst
index 01bc627a14746b49fa3bf1eda18f6abcd3ac899a..79265c929084d229fcb70069202d752c1dfb352c 100644 (file)
--- a/docs/source/app_smpi.rst
+++ b/docs/source/app_smpi.rst
@@ -177,7 +177,7 @@ of the targeted MPI implementations.
 You can switch the automatic selector through the
 ``smpi/coll-selector`` configuration item. Possible values:
 
- - **ompi:** default selection logic of OpenMPI (version 3.1.2)
+ - **ompi:** default selection logic of OpenMPI (version 4.1.2)
  - **mpich**: default selection logic of MPICH (version 3.3b)
  - **mvapich2**: selection logic of MVAPICH2 (version 1.9) tuned
    on the Stampede cluster
@@ -359,6 +359,7 @@ MPI_Reduce_scatter
 ``automatic (experimental)``: use an automatic self-benchmarking algorithm. |br|
 ``ompi_basic_recursivehalving``: recursive halving version from OpenMPI. |br|
 ``ompi_ring``: ring version from OpenMPI. |br|
+``ompi_butterfly``: butterfly version from OpenMPI. |br|
 ``mpich_pair``: pairwise exchange version from MPICH. |br|
 ``mpich_rdb``: recursive doubling version from MPICH. |br|
 ``mpich_noncomm``: only works for power of 2 procs, recursive doubling for noncommutative ops. |br|