[Beowulf] Re: energy costs and poor grad students

Jeffrey B. Layton laytonjb at charter.net
Thu Jul 3 10:26:28 EDT 2008


Prentice Bisbal wrote:
> Mark Kosmowski wrote:
>
>   
>> I think I have come to a compromise that can keep me in business.
>> Until I have a better understanding of the software and am ready for
>> production runs, I'll stick to a small system that can be run on one
>> node and leave the other two powered down.  I've also applied for an
>> adjunt instructor position at a local college for some extra cash and
>> good experience.  When I'm ready for production runs I can either just
>> bite the bullet and pay the electricity bill or seek computer time
>> elsewhere.
>>     
>
> Mark,
>
> For MPI testing/debugging, you can create a few virtual machine on one
> node using VWware or Xen. VMWare is free, unless you want all the bells
> and whistles.
>   

You don't need to go this far. Just set up the hostfile to use the same
host name several times. Just make sure you don't start swapping :)

Jeff

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