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"Loop parameters operator slows down"

rmansrmans Member Posts: 2 Contributor I
edited June 2019 in Help
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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Answers

  • JEdwardJEdward RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 578 Unicorn
    Have you tried dropping the Free Memory operator in parts of the process?  It might help a little. 
  • rmansrmans Member Posts: 2 Contributor I
    Yes, I have already done this. This did not solve the problem.
  • MariusHelfMariusHelf RapidMiner Certified Expert, Member Posts: 1,869 Unicorn
    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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