Newsgroups: comp.parallel.mpi
From: Joachim Worringen <joachim@lfbs.rwth-aachen.de>
Subject: Re: MPI BUG!!! shmem and lfshmem on linux!!
Organization: Chair for Operating Systems, RWTH Aachen
Date: Wed, 17 Jun 1998 13:06:37 +0200
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Message-ID: <3587A33D.DAE1EE9C@lfbs.rwth-aachen.de>

Wolfram Webers wrote:

> Any hints? Is this really a bug only under Linux? Does anyone
> recognize the same behavior?

I guess you are talking about MPICH.

MPI_Finalize() (see src/env/finalize.c) includes sychnronisation
(MPI_Barrier) which may or may not include polling. The SHMEM-Devices do
use polling.

  Joachim
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