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Subject: Re: [OMPI users] RoCE (IBoE) & OpenMPI
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-02-24 08:44:59

On Feb 24, 2011, at 8:00 AM, Michael Shuey wrote:

> Late yesterday I did have a chance to test the patch Jeff provided
> (against 1.4.3 - testing 1.5.x is on the docket for today). While it
> works, in that I can specify a gid_index,

Great! I'll commit that to the trunk and start the process of moving it to the v1.5.x series (I know you haven't tested it yet, but it's essentially the same patch, just slightly adjusted for each of the 3 branches).

> it doesn't do everything
> required - my traffic won't match a lossless CoS on the ethernet
> switch. Specifying a GID is only half of it; I really need to also
> specify a service level.

RoCE requires the use of the RDMA CM (I think?), and I didn't think there was a way to request a specific SL via the RDMA CM...? (I could certainly be wrong here)

I think Mellanox will need to follow up with these questions...

Jeff Squyres
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