Newsgroups: comp.parallel.mpi
From: impellus@ames.ucsd.edu (Tom Impelluso)
Subject: MPI vs native-CRAY
Organization: UC San Diego, AMES Department
Date: 21 Aug 1996 22:28:31 GMT
Message-ID: <4vg2if$itg@soenews.ucsd.edu>


Hi,

can someone advise me how much slower (if, at all)
a code will run using MPI as opposed to native message passing
on the T3D.

I realize MPI is portable and easier to use.

I am just curious as to speed comparisons.

(I am not doing any thing fancy: just MPI_SEND, RECV, BCAST)

Thanks,
Tom

