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Re: [PATCH] MPI SendReceive


From: Jeffrey D. Oldham
Subject: Re: [PATCH] MPI SendReceive
Date: Thu, 01 Jan 2004 09:17:21 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624

Richard Guenther wrote:
Hi!

This is now the MPI version of SendReceive.h, including changes to
RemoteEngine.h which handles (de-)serialization of engines.  The latter
change allows optimizing away one of the three(!) copies we are doing
currently for communicating an engine at receive time:
- receive into message buffer
- deserialize into temporary brick engine
- copy temporary brick engine to target view

the message buffer is now directly deserialized into the target view (for
non-Cheetah operation, with Cheetah this is not possible).  Patch which
removes a fourth(!!) copy we're doing at guard update follows.

Tested as usual.

Ok?

Yes.  Thanks for improving the performance.

--
Jeffrey D. Oldham
address@hidden

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