Finally it worked, thanks!
[mishima@manage OMB-3.1.1-openmpi2.0.0]$ ompi_info --param btl openib
--level 5 | grep openib_flags
MCA btl openib: parameter "btl_openib_flags" (current value:
"65847", data source: default, level: 5 tuner/det
ail, type: unsigned_int)
[mishima@manage OMB-3.1.1
Ack, the segv is due to a typo from transcribing the patch. Fixed. Please try
the following patch and let me know if it fixes the issues.
https://github.com/hjelmn/ompi/commit/4079eec9749e47dddc6acc9c0847b3091601919f.patch
-Nathan
> On Aug 8, 2016, at 9:48 PM, tmish...@jcity.maeda.co.jp wrote:
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