Beowulf and variable cpus

Horatio B. Bogbindero wyy at cersa.admu.edu.ph
Thu Sep 21 18:02:48 PDT 2000


what is PBS and where can i get more information about it?


On Thu, 21 Sep 2000, Troy Baer wrote:

> On Thu, 21 Sep 2000 p.grimshaw at virgin.net wrote:
> > Hi, I am new to Beowulf and have some questions,
> > 
> > 1. Does anyone know if I am able to run a beowulf cluster with
> > different types of clients, i.e I have a load of pentium 100s
> > and some p2 500s which I would like to use together. Is this
> > possible?
> 
> Sure, it's definitely possible.  You may run into load balancing problems
> if you have a parallel programs running on both fast and slow CPUs.  If
> you use a batch system like PBS, you can create attributes for individual
> nodes and use those to ask a homogeneous set of processors (or
> heterogeneous, for that matter):
> 
> # ask PBS for 10 Pentium 100MHz nodes
> #PBS -l nodes=10:p_100
> 
> # ask PBS for 6 Pentium II 500 MHz nodes
> #PBS -l nodes=6:p2_500
> 
> # ask PBS for 10 Pentium 100s *and* 6 P2 500s
> #PBS -l nodes=10:p_100+6:p2_500
> 
> I'd assume/hope you can do similar things in other resource managers and
> batch systems, like LSF and DQS (although I've never tried either).
> 
> 	--Troy
> -- 
> Troy Baer                       email:  troy at osc.edu
> Science & Technology Support    phone:  614-292-9701
> Ohio Supercomputer Center       web:  http://oscinfo.osc.edu
> 
> 
> 
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