Re: [Condor-users] multithreading in condor?????

["Philip Crawford" <p.crawford@xxxxxxxxxxx>]

Alain,
Thanks for letting us know about the MW page. I just noticed at the end of
the 2nd paragraph on the home page the last sentence reads:
MW will handle all this variation and _uncertainly_ in the opportunistic
environment of Condor. 
I think that "uncertainly" (which I've highlighted above) should read
"uncertainty". :)

 
Cheers,
 
Phil Crawford
__________________________________________________
Philip Crawford, B. Comp. Sc., MIEEE
School of Medical Sciences
The University of NSW
Phone: +61-2-9385 2564
Mobile: +61-419-294 698
Fax: +61-2-9385 1059
Email: p.crawford@xxxxxxxxxxx
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-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx
[mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Alain Roy
Sent: Monday, 12 December 2005 3:32 PM
To: condor-users@xxxxxxxxxxx
Subject: Re: [Condor-users] multithreading in condor?????

At 08:00 PM 12/11/2005 -0800, itpals wrote:

>Hi Friends,
>
>          Can anybody tell me that condor latest version support 
> multithreading or not on windows paltform.I have a large job that takes 
> around 3-4 hour in excution so i want to modify my single threaded code 
> to multithreaded code if condor is capable to schedule it on multiple
machines.

If your code is multithreaded, all of the threads will run on a single 
computer. Condor does not automatically distribute your threads between 
multiple computers.

If you can break your job into discrete tasks, you might consider 
master-worker:
http://www.cs.wisc.edu/condor/mw/

If you can break your job into multiple jobs (each one is a separate 
invocation of an application) you can consider DAGMan:
http://www.cs.wisc.edu/condor/mw/

If you use MPI for communication between tightly couple processes, you can 
do that too:
http://www.cs.wisc.edu/condor/manual/v6.7/2_11Parallel_Applications.html

I hope this helps.

-alain


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