Mellanox will try.
10x!
Jeff Squyres wrote:
Mellanox told me that the MTT &hostlist() funclet is returning a
comma-delimited list of hosts (and &hostlist_hosts()). That is fine
for Open MPI, but it is not for MVAPICH -- MVAPICH requires a
space-delimited list of hosts for their mpirun.
Here's a patch that introduces an optional parameter to &hostlist()
and &hostlist_hosts(). The optional parameter is a delimiter for the
hostlist. So if you call:
&hostlist_hosts()
you'll get the same comma-delimited list that is returned today. But
if you call
&hostlist_hosts(" ")
you should get a space-delimited list.
Can Mellanox try this patch and see if it works for them? If so, I'll
commit it to the MTT trunk.
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Pavel Shamis (Pasha)
Mellanox Technologies
