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From "Dominique Devienne" <>
Subject Re: Parallel vs Sequential
Date Thu, 06 Apr 2006 13:36:38 GMT
Like already mentioned, <parallel> will *only* and *potentially* give
you a boost if you have a multi-CPUs machine, and/or a multi-disks
machine, and/or independent tasks, etc...

Don't expect much from <parallel> on a single CPU PC... Like Conor
already told you, it enables use cases impossible to do without

I used <parallel> only once as an experiment to do several independent
<get>, and only got incremental speed-up (30% I think), but I was
hitting the same HTTP server for all <get>s, so the bottleneck might
have been that server.

Don't use <parallel> if you don't see any speedup. --DD

> Apart from <cc>, I have also experiment-ed using concat tasks, where
> there will be significant file i/o. Even then <parallel> is not at par
> with sequential. Any clarifications will be highly helpful.

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