From: Axel Hecht <ah@numerik.uni-kiel.de>
Newsgroups: comp.parallel.mpi
Subject: Re: MPIPOV2's CPU's  usage
Date: Thu, 15 Jul 1999 11:58:32 +0200
Organization: Institute of Mathematics, Section 2
Message-Id: <378DB0C8.31ECF5DC@numerik.uni-kiel.de>
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Xref: ukc comp.parallel.mpi:5329


Thomas Rynne# wrote:
> 
> Is there a bug in MPIPOV2 (I expect not).
> When I run it the cpu on the host machine is hardly used (90% idle). If I
> run MPIPOV1 the cpu <1% idle but this does not perform a dynamic load
> distribution.
> 
> Tom

I never digged deep into it, but I remember it said in the docs, to
start one more process than processors. The first one is just for
control, and doesn't do any rendering work.

Axel