From: rusresch@baracke.rus.uni-stuttgart.de (Michael Resch)
Newsgroups: comp.parallel.mpi
Subject: Re: speedup
Date: 29 Mar 1999 16:05:58 GMT
Organization: Comp.Center (RUS), U of Stuttgart, FRG
Message-Id: <7do8d6$hko$1@infosun2.rus.uni-stuttgart.de>
References: <36FA679A.DBCE9106@ecs.soton.ac.uk>
Reply-To: resch@hlrs.de
Xref: ukc comp.parallel.mpi:4859


mohd ezanee rusli (mer296@ecs.soton.ac.uk) wrote:
: parallel version should be less than sequential. However, from my
: observation it is not that way. what I see is the execution time for P
: processor is more than sequential. Therefore the speedup will decrease
: instead of increase.
: Any idea why?

could you say a few words about the parallel hardware you are running on and
about the software you are using? this would probably help to find the
problem.

michael (MiR)