(USA) via users
Sent: Thursday, August 25, 2022 12:27 PM
To: Tim Carlson
Cc: Bernstein, Noam CIV USN NRL (6393) Washington DC (USA)
; Open MPI Users
Subject: Re: [OMPI users] ucx problems
Yeah, that appears to have been the issue - IB is entirely dead (it's a new
machine, so maybe no sub
Yeah, that appears to have been the issue - IB is entirely dead (it's a new
machine, so maybe no subnet manager, or maybe a bad cable). I'll track that
down, and follow up here if there's still an issue once the low level IB
problem is fixed.
However, given that ucx says it supports shared memo
Here is more information with higher verbosity:
> mpirun -np 2 --mca pml ucx --mca osc ucx --bind-to core --map-by core
> --rank-by core --mca pml_ucx_verbose 100 --mca osx_ucxv_erbose 100 --mca
> bml_base_verbose 100 mpi_executable
[tin2:1137672] mca: base: components_register: registering fram
Hi all - I'm trying to get openmpi with ucx working on a new Rocky Linux 8 +
OpenHPC machine. I'm used to running with
mpirun --mca pml ucx --mca osc ucx --mca btl ^vader,tcp,openib --bind-to core
--map-by core --rank-by core
However, now it complains that it can't start the pml, with the message
