Re: [OMPI devel] cosmetic misleading mpirun error message

2015-08-26 Thread Jeff Squyres (jsquyres)
I think that the issue is that "--" is interpreted to mean that should be interpreted as a single string, but "-" is interpreted to mean that each letter of should be interpreted individually. This is a fairly common Linux/POSIX/GNU convention. As for "--host" vs. "--hosts", we initially got

Re: [OMPI devel] cosmetic misleading mpirun error message

2015-08-25 Thread Gilles Gouaillardet
would it be easier if the option was --host instead of -host ? I guess changing the cli is not an option for the v1.x series, so what about adding the -hosts option (alias to -host option) ? I made the same mistake a few times before, adding a s to hosts looks more intuitive for me. my 0.02 US$ Gi

Re: [OMPI devel] cosmetic misleading mpirun error message

2015-08-25 Thread Jeff Squyres (jsquyres)
Fair point. I don't know if there's an easy way to fix that, though. > On Aug 25, 2015, at 6:01 PM, Cabral, Matias A > wrote: > > Hi, > > > > Playing with the 1.10.0 (just released) build I found a cosmetic misleading > error message in mpirun. If by mistake you type -hosts (with an extr

[OMPI devel] cosmetic misleading mpirun error message

2015-08-25 Thread Cabral, Matias A
Hi, Playing with the 1.10.0 (just released) build I found a cosmetic misleading error message in mpirun. If by mistake you type -hosts (with an extra "s"), the error message complains about an unknown "-o" option that is actually not being used. Typing the parameters correctly fixes the issue