/ompi/ticket/4331
>-Original Message-
>From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Filippo Spiga
>Sent: Monday, March 03, 2014 7:32 PM
>To: Open MPI Users
>Subject: Re: [OMPI users] 1.7.5rc1, error "COLL-ML ml_discover_hierarchy
>exited with error.
Dear Rolf,
your suggestion works!
$ mpirun -np 4 --map-by ppr:1:socket -bind-to core --mca coll ^ml osu_alltoall
# OSU MPI All-to-All Personalized Exchange Latency Test v4.2
# Size Avg Latency(us)
1 8.02
2 2.96
4 2.91
8
Can you try running with --mca coll ^ml and see if things work?
Rolf
>-Original Message-
>From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Filippo Spiga
>Sent: Monday, March 03, 2014 7:14 PM
>To: Open MPI Users
>Subject: [OMPI users] 1.7.5rc1, error "COLL-ML ml_discover_hiera
