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Author Topic: Loop parameters operator slows down  (Read 352 times)
rmans
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« on: December 04, 2013, 03:12:07 PM »

I use rapidMiner 5.3 in which I have a workflow in which I use the 'Loop Attributes' operator. In the operator, I use the same operators on the same data. It seems to me that for every run the execution time of the the same operator is slowing down although I use the same data and the same parameters (only a different seed).

Has anybody experienced the same problem and knows how to solve it?
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JEdward
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« Reply #1 on: December 05, 2013, 10:19:27 AM »

Have you tried dropping the Free Memory operator in parts of the process?  It might help a little. 
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rmans
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« Reply #2 on: December 06, 2013, 11:18:02 AM »

Yes, I have already done this. This did not solve the problem.
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Marius
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« Reply #3 on: December 06, 2013, 01:59:47 PM »

You could try to add a Materialize Data operator as first operator inside of the loop. In some constellations this can prevent the performance loss as the iterations proceed.

Best regards,
Marius
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