Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Need help running jobs across different IB vendors
From: Dave Love (d.love_at_[hidden])
Date: 2013-10-18 12:21:01


"Jeff Squyres (jsquyres)" <jsquyres_at_[hidden]> writes:

> Short version:
> --------------
>
> What you really want is:
>
> mpirun --mca pml ob1 ...
>
> The "--mca mtl ^psm" way will get the same result, but forcing pml=ob1 is really a slightly Better solution (from a semantic perspective)

I'm afraid ^psm is rather more perspicuous. I don't have to README to
know what it means.