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Subject: Re: [OMPI devel] SDP support for OPEN-MPI
From: Patrick Geoffray (patrick_at_[hidden])
Date: 2008-01-01 03:34:30


Lenny Verkhovsky wrote:
> We would like to add SDP support for OPENMPI.

> SDP can be used to accelerate job start ( oob over sdp ) and IPoIB
> performance.

I fail to see the reason to pollute the TCP btl with IB-specific SDP stuff.

For the oob, this is arguable, but doesn't SDP allow for *transparent*
socket replacement at runtime ? In this case, why not use this mechanism
and keep the code clean ?

Patrick