On 08/08/16 18:01, Nathan Hjelm wrote:
On Aug 08, 2016, at 05:17 AM, Paul Kapinos wrote:
Dear Open MPI developers,
there is already a thread about 'sm BTL performace of the openmpi-2.0.0'
https://www.open-mpi.org/community/lists/devel/2016/07/19288.php
and we also see 30% bandwidth loss, on
On Aug 08, 2016, at 05:17 AM, Paul Kapinos wrote:Dear Open MPI developers,there is already a thread about 'sm BTL performace of the openmpi-2.0.0'https://www.open-mpi.org/community/lists/devel/2016/07/19288.phpand we also see 30% bandwidth loss, on communication *via InfiniBand*.And we also have a
Dear Open MPI developers,
there is already a thread about 'sm BTL performace of the openmpi-2.0.0'
https://www.open-mpi.org/community/lists/devel/2016/07/19288.php
and we also see 30% bandwidth loss, on communication *via InfiniBand*.
And we also have a clue: the IB buffers seem not to be aligned
