From: Clay Kirkland [mailto:clay.kirkl...@versityinc.com]
Sent: Friday, May 02, 2014 03:24 PM
To: us...@open-mpi.org
Subject: [OMPI users] MPI_Barrier hangs on second attempt but only when
multiple hosts used.
I have been using MPI for many many years so I have very well debugged mpi
tests
Hmmm...just testing on my little cluster here on two nodes, it works just fine
with 1.8.2:
[rhc@bend001 v1.8]$ mpirun -n 2 --map-by node ./a.out
In rank 0 and host= bend001 Do Barrier call 1.
In rank 0 and host= bend001 Do Barrier call 2.
In rank 0 and host= bend001 Do Barrier call 3.
In r
I have been using MPI for many many years so I have very well debugged mpi
tests. I am
having trouble on either openmpi-1.4.5 or openmpi-1.6.5 versions though
with getting the
MPI_Barrier calls to work. It works fine when I run all processes on one
machine but when
I run with two or more host
