[mpich-discuss] Computer Usage

Anthony Chan chan at mcs.anl.gov
Tue Jan 17 13:13:59 CST 2012


I think you will get a better answers to your questions if you
post your questions to AERMOD developers.  MPI is just an API that
provides communication support between different processes.  The
placement of these MPI processes determines the parallelism in
your application.

A.Chan

----- Original Message -----
> Hi,
> 
> We are currently looking into purchasing a new computer, but first I
> wanted to understand how MPICH uses processors and cores.
> 
> We are using the Lakes Environmental Windows interface for the AERMOD
> modelling software utilizing MPI. We are looking at investing in a new
> computer that will help speed up processing time but need to
> understand how MPICH uses processors and cores.
> 
> 
> - Can MPICH utilize more than one processor in parallel?
> 
> - In the event that the processor contains multiple cores, can MPICH
> utilize more than one core simultaneously?
> 
> For example, if we purchased a computer with two separate multi-core
> processors, each containing six cores, would the software be able to
> utilize all 12 cores in parallel?
> 
> 
> Casey Ladouceur, B.Eng. EIT
> Jr. Air Quality Scientist
> True Grit Consulting Ltd.
> ENGINEERING - AIR - ENVIRONMENTAL
> 1127 Barton Street
> Thunder Bay, ON, P7B 5N3
> P:807.626.5640 X-241
> F:807.623.5690
> C:807.629.1079
> 
> 
> 
> _______________________________________________
> mpich-discuss mailing list mpich-discuss at mcs.anl.gov
> To manage subscription options or unsubscribe:
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss


More information about the mpich-discuss mailing list