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Entry  17 Oct 2007, Randolf Pohl, Forum, Multi-core CPUs 
    Reply  17 Oct 2007, Stefan Ritt, Forum, Multi-core CPUs 
Message ID: 413     Entry time: 17 Oct 2007     Reply to this: 414
Author: Randolf Pohl 
Topic: Forum 
Subject: Multi-core CPUs 
Dear Forum,

I have this beautiful Intel Quadcore with fast disks, but MIDAS does obviously 
only make use of one CPU at a time. Has anyboy of you already done some work 
on making MIDAS parallel? Event-based data analysis should be the best 
candidate for this.

Has anybody done this with PVM? There is some PVM-related stuff in the MIDAS 
sources, but I got the impression this works only with HBOOK, not with ROOT. 
Or am I wrong?
But then PVM is probably also not the most efficient thing one ONE machine 
with multiple CPUs, right? And finally, with PVM we're back to 
adding .root-files efficiently (see my previous post).

Any thoughts?


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