Newsgroups: comp.parallel.mpi
From: Richard Barrett <rbarrett@lanl.gov>
Reply-To: rbarrett@lanl.gov
Subject: reduction workspace
Organization: Los Alamos National Laboratory / X-CI
Date: Mon, 20 Jul 1998 13:58:40 -0600
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Message-ID: <35B3A170.4C24@lanl.gov>

Hey,

Reductions require a separate input and output
argument. Must these be different memory locations?
That is, can I use

 MPI_Reduce( &max, &max, 1, ... );

Richard