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@yburette
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@hjelmn I think we can increase the priority of the OFI MTL.
This would automatically select the CM PML when mpirun is run with
--mca mtl ofi

By default, the OFI MTL won't run over the sockets and MXM providers.

@yburette yburette mentioned this pull request Oct 22, 2015
@yburette yburette added this to the Open MPI v1.10.1 milestone Oct 22, 2015
@hjelmn
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hjelmn commented Oct 22, 2015

Does the ofi component disqualify itself with the verbs provider. I just want to make sure that it doesn't override the openib btl on mlx hardware.

@rhc54
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rhc54 commented Oct 22, 2015

Ditto for portals, unless @regrant and @tkordenbrock are okay with it

@yburette
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@hjelmn The OFI MTL won't run with the verbs provider because the verbs provider doesn't support tag messaging.

@hjelmn
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hjelmn commented Oct 22, 2015

@yburette Great. I am ok with merging this and moving it to 1.10.1. I will include it with the 2.x PR for the cm changes.

@yburette
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@hjelmn Thanks a lot!

@regrant
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regrant commented Oct 22, 2015

Portals can have low priority, we don't have a problem specifying when you want to use it. I don't expect users to use Portals as a default in the near future.

hjelmn added a commit that referenced this pull request Oct 22, 2015
mtl/ofi: Increase priority.
@hjelmn hjelmn merged commit 72f8155 into open-mpi:master Oct 22, 2015
jsquyres pushed a commit to jsquyres/ompi that referenced this pull request Aug 23, 2016
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4 participants