[MPICH] MPICH host architecture specification

[Rajeev Thakur]

As mentioned on the MPICH2 web page, MPICH2 doesn't yet work in
heterogeneous environments, but MPICH-1 does. The MPICH-1 users guide has
information on how to use it in a heterogeneous environment.

Rajeev

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Jonathan Marti
> Sent: Wednesday, November 15, 2006 11:37 AM
> To: MPICH maillist
> Subject: [MPICH] MPICH host architecture specification
> 
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> Dear all,
> 
> I'm a beginner in MPI and I would like to ask you some questions:
> 
> 1. Is it possible to use MPICH2 or MPICH1 in heterogeneus systems?
> 2. Is there any configuration file where you could specify the
> architecture feautures of each node?
> 
> I mean, it seems like in mpd.hosts is not possible to specify 
> more than
> the host address and cpu's available, but I wonder what 
> happens if among
> the nodes, there are some based on Power architecture, and other based
> on Intel one, so little/big problems could appear.
> 
> I wonder that because it seems like MPICH1 or MPICH2 are designed for
> homogeneus systems like a cluster, but not, for example, for the grid.
> 
> 
> Jonathan
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