Newsgroups: comp.parallel.mpi
From: "Steve T. Barnard" <barnard@nas.nasa.gov>
Subject: Re: MPI_REQUEST_MAX
Organization: NAS - NASA Ames Research Center, Moffett Field, CA
Date: Fri, 29 May 1998 11:26:09 -0700
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Message-ID: <356EFDC1.41F21681@nas.nasa.gov>

Steve T. Barnard wrote:
> 
> It appears to be a bug in SGI's MPI. All my Isends and Irecvs are
> matched with MPI_Test or MPI_Testall. This code works on the SP2, the
> T3E, and various workstation clusters. Setting MPI_REQUEST_MAX to 65000
> used to fix the problem on the Origin, but no longer.
> 

My apologies to SGI's MPI developers and my thanks to James Crownie, who
put me on the right track.  I found an unmatched Isend, and fixing that
solved the problem.

	Steve Barnard