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Here is reply from Oleg :
The Patch didn't work.
Broken code - my $ret = join(/$delimiter/, @hosts); in
lib/MTT/Values/Functions.pm > sub hostlist_hosts
Must be $ret = join($delimiter, @hosts);
Ethan Mallove wrote:
> Works for me.
> On Thu, Jan/10/2008 08:48:20AM, 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:
>> 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.
>> Jeff Squyres
>> Cisco Systems
>> mtt-users mailing list
> mtt-users mailing list
Pavel Shamis (Pasha)