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Subject: Re: [OMPI devel] matching code rewrite in OB1
From: Gleb Natapov (glebn_at_[hidden])
Date: 2007-12-11 11:08:46

On Tue, Dec 11, 2007 at 11:00:51AM -0500, Richard Graham wrote:
> Gleb,
> I would suggest that before this is checked in this be tested on a system
> that has N-way network parallelism, where N is as large as you can find.
> This is a key bit of code for MPI correctness, and out-of-order operations
> will break it, so you want to maximize the chance for such operations.
I started this rewrite while chasing this bug
As you can see OpenIB reorders fragment quite a bit unfortunately :(
No testing is enough for such important piece of code of cause.