From: lindahl@pbm.com (Greg Lindahl)
Newsgroups: comp.parallel.mpi
Subject: Re: Shared Memory with MPI [Question from an uninitiated one]
Date: 24 Aug 1998 22:47:49 GMT
Organization: a guest of Shadow Island Games
Message-Id: <6rsqil$4uk@news3.newsguy.com>
References: <35E1A319.9B5EB747@byophisycs.lanl.gov>


Omri Schwarz <omri@byophisycs.lanl.gov> writes:

> Hi, looking all around my MPI refs, ["Using MPI", the HP manual,
> URL's all around] I could find refs on how to simulate shared memory,
> but not on how
> to use it. My code constantly refers to, but does not modify, a huge
> array,
> but the processors should be able to refer to the same memory block.

If you want shared memory, you should use shared memory, especially if
you don't want to replicate any of this data. You can use one of the
user-level distributed shared memory packages if your machine does not
have physically shared memory. Use the right tool for the job.

-- g