[Beowulf] MPI community

Mikhail Kuzminsky kus at free.net
Sat Jun 18 06:33:59 PDT 2005

In message from "Cheng, Kevin " <kc40 at hw.ac.uk> (Sat, 18 Jun 2005 
01:58:32 +0100):
>Hi there
>Am new to the mailing list and wondering what we can talk about? I 
>have been trying to find MPI-CH or MPI help/forums/community but 
>couldn't find any.
>1. Is it possible to set up MPICH-1 or MPICH-2 on a single machine 
>and trick it to emulate 2 hosts? Basically developing on a single 
>machine but doing MPI_Send, MPI_Gather calls.
Yes, but you should take into account that (if you have 1 CPU 
system)the processes really will not run simultaneously, and you'll 
not see
some possible "time-depended" errors in coding.

HyperThreading or especially dual-core chips gives you additional
>2. Is it possible to have two hosts, one Windows MPI-CH, and one 
>Linux MPI-CH, to work together?
If you'll use Virtual Machine software, plus Windows and Linux 
installed, it'll be possible (IMHO).

Mikhail Kuzminsky
Zelinsky Institute of Organic Chemistry

>3. Is it possible to have MPI-CH-1 and MPI-CH-2 work together on 
>separate hosts?
>Many thanks

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