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Subject: Re: [OMPI devel] matching code rewrite in OB1
From: Gleb Natapov (glebn_at_[hidden])
Date: 2007-12-17 08:32:50

On Thu, Dec 13, 2007 at 08:04:21PM -0500, Richard Graham wrote:
> Yes, should be a bit more clear. Need an independent way to verify that
> data is matched
> in the correct order ­ sending this information as payload is one way to do
> this. So,
> sending unique data in every message, and making sure that it arrives in
> the user buffers
> in the expected order is a way to do this.

Did that. Encoded sequence number in a payload and sent many eager
packets from one rank to another. Many packets were reoredered, but
application received everything in a correct order.