Newsgroups: comp.parallel.mpi
From: Reto Koradi <kor@mol.biol.ethz.ch>
Subject: Re: Non-blocking sends
Organization: Swiss Federal Institute of Technology (ETHZ)
Date: Fri, 18 Jul 1997 13:36:50 +0200
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Message-ID: <33CF5552.34A8@mol.biol.ethz.ch>

James Cownie wrote:
> "A nonblocking post-send call indicates that the system may start
> copying data out of the send buffer. The sender must not access any
> part of the send buffer (neither for loads nor stores) after a
> nonblocking send operation is posted until the complete-send returns."

That you are not allowed to modify the buffer is obvious, but why
should it be forbidden to make read accesses to it?
-- 
Reto Koradi (kor@mol.biol.ethz.ch, http://www.mol.biol.ethz.ch/~kor)