Gilles Gouaillardet, on ven. 21 juil. 2017 10:57:36 +0900, wrote:
> if you are fine with using more memory, and your application should not
> generate too much unexpected messages, then you can bump the eager_limit
> for example
>
> mpirun --mca btl_tcp_eager_limit $((8*1024*1024+128)) ...
Thanks
Hello,
George Bosilca, on jeu. 20 juil. 2017 19:05:34 -0500, wrote:
> Can you reproduce the same behavior after the first batch of messages ?
Yes, putting a loop around the whole series of communications, event
with a 1-second pause in between, gets the same behavior repeated.
> Assuming the tim
Hello,
We are getting a strong performance issue, which is due to a missing
pipelining behavior from OpenMPI when running over TCP. I have attached
a test case. Basically what it does is
if (myrank == 0) {
for (i = 0; i < N; i++)
MPI_Isend(...);
} else {
for (i = 0