Hi Matias,
Thank you so much for your feedback!
It's really embarrassing, but running
mpirun -np 2 -mca mtl ofi -mca pml cm -mca mtl_ofi_provider_include psm2 ./a
still doesn't get the job done. I'm still getting the same MPI_Send error:
Hello World from proccess 1 out of 2
Hello
Hi Eduardo,
> When you say that "The OFI MTL got some new features during 2018 that went
> into v4.0.0 but are not backported to older OMPI versions." this agrees with
> the bahaviour that I witness - using Open MPI 3.1.3 I don't get this error.
> Could this be related?
Yes. I suspect this ma
