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Re: [PATCH] Document OpenMP/MPI


From: Jeffrey D. Oldham
Subject: Re: [PATCH] Document OpenMP/MPI
Date: Tue, 13 Jan 2004 11:07:35 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624

Richard Guenther wrote:
Hi!

While the documentation beyond docs/ is in a rather bad shape, this adds a
paragraph to parallelism.html describing the new --mpi and --openmp modes.

Ok?

Yes.

Thanks,

Richard.


===== parallelism.html 1.1 vs edited =====
--- 1.1/r2/docs/parallelism.html        Mon May 13 17:47:21 2002
+++ edited/parallelism.html     Fri Jan  9 13:29:04 2004
@@ -1,4 +1,4 @@
-<h1>POOMA 2.3 parallel model</h1>
+<h1>POOMA post-2.4 parallel model</h1>

 <p>CONTEXT: In discussing the parallelism models that
 POOMA supports, the word `context' has a particular
@@ -40,6 +40,15 @@
 The 2.4 release should address these issues and permit
 a parallel model with multithreaded contexts that communicate
 with each other through messages.
+
+<p>After POOMA 2.4 two new models of parallelism are supported.  Namely
+use of OpenMP thread level parallelization, if supported by the compiler,
+and the use of an available MPI library such as MPICH or a vendor provided
+implementation.  Both models, MPI and OpenMP, may be combined simultaneously
+if the MPI implementation supports this kind of operation.  This is especially
+useful for clusters of SMP workstations.  Those new modes of operation can
+be specified by the --mpi and --openmp configure switches.
+

 <h3>CHEETAH overview:</h2>



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Jeffrey D. Oldham
address@hidden

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