TERRY DONTJE <terry.dontje_at_[hidden]> wrote:
>Can you try running the benchmark with coalescing off? To do that
add the following option to your mpirun line "-mca
btl_openib_use_message_coalescing 0".
I've tried this:
# /usr/mpi/gcc/openmpi-1.4.4/bin/mpirun -np 2
--mca btl_openib_use_message_coalescing 0
--mca btl_base_verbose 50
--mca btl_openib_verbose 1
-host cluster1,cluster2
/usr/mpi/gcc/openmpi-1.4.3/tests/osu_benchmarks-3.1.1/osu_latency
And that's the result (which isn't different from the run without "--mca btl_openib_use_message_coalescing 0"):
http://net.razik.de/linux/T5120/openmpi-1.4.4-verbose_no_coalescing.txt
>thanks,
>
I thank you!
Regards,
Lukas
|
![[Flag]](../../../../../community/mirrors/flag-us.gif){kind=small}