Thanks for sharing your findings.
just to be clear, your application is running at full speed.
only MPI_Wtime() is busted, so timers used internally in your app might
mislead you and suggests performance are worst than what they really are
Cheers,
Gilles
- Original Message -
I'm
I'm not sure why nobody has encountered this issue on the mailing list.
After some fiddling I was finally able to isolated to a performance
regression introduced between 2.0.1 and 2.0.2. While trying to binary
search the exact commit causing the performance regression my colleague
brought this to m
OK, did some testing with MVAPICH and everything is normal so this is
clearly with OMPI. Is there anything that I should try?
Thanks,
Yong Qin
On Mon, Mar 6, 2017 at 11:46 AM, Yong Qin wrote:
> Hi,
>
> I'm wondering if anybody who has done perf testing on Mellanox EDR with
> OMPI can shed some
