"Loop parameters operator slows down"

User: "rmans"
rmans
New Altair Community Member
Updated by Jocelyn
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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    User: "JEdward"
    JEdward
    New Altair Community Member
    Have you tried dropping the Free Memory operator in parts of the process?  It might help a little. 
    User: "rmans"
    rmans
    New Altair Community Member
    OP
    Yes, I have already done this. This did not solve the problem.
    User: "MariusHelf"
    MariusHelf
    New Altair Community Member
    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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