On 1/30/12 3:53 PM, "Jeff Squyres" <jsquyres_at_[hidden]> wrote:
>On Jan 30, 2012, at 5:38 PM, Barrett, Brian W wrote:
>
>> I'm not sure this is any better than saying "--mca pml cm" versus "--mca
>> pml ob1", other than there's at least some rational names involved.
>> However, it does seem awful silly to thread the enabled through the
>> module; just check it and return not available.
>
>I think you could also do
>
> mpirun --mca mtl ^mxm ...
>
>I don't use MTLs often -- I'm *assuming* that if cm doesn't find any
>active MTLs, it'll just disqualify itself, thereby falling back to ob1.
>
>Right?
That, in theory, should be true.
Brian
--
Brian W. Barrett
Dept. 1423: Scalable System Software
Sandia National Laboratories
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