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parallelize main process

Hi,

can someone tell me what

"parallelize main process
Determines whether the execution of Main Process should be parallelized. Default value: false Expert parameter"

means? Should I use this setting? Is is usefull for multicore processors?

Thanks
arminmania

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choose_username

Hi,

as far as i know this setting (if activated) should increase the performance of ur workflow. The task (which sould be performed) will be splited i think.

Possibly it has something to do with (mulitcore) but i am not 100% sure.

greetings

User

yogafire

hi

in my experience, if you only have 2 core processors, it doesn't really help. but I don't know yet how it performs on let say quad-core.
nevertheless, you should have high amount of RAM, 4 gigs will help, I you do a large data analysis.

greetings,
Yogafire

wessel

I have quad core and 16GB, and I never use it. Doesn't seem to make much difference.

IngoRM

Hi there,

it only makes a difference if there is something which can be performed in parallel. For example, if you have two (independent) subprocesses which would have to be performed sequentially otherwise. In such cases, RapidMiner tries to perform those subprocesses in parallel which should - if you have at least two cores and both subprocesses need about the same runtime - decrease the total runtime about the half.

Cheers,
Ingo

arminmania

Hi all,

thank you for your fast replies!

Greetings
arminmania