Github user avulanov commented on the pull request:
https://github.com/apache/spark/pull/1290#issuecomment-52282101
@bgreeven I've tried to train `ParallelANNWithSGD` with 3 layers
1000x500x18, numiterations 1000, stepSize 1. My dataset has ~2000 instances,
1000 features, 18 classes. After 17 hours it didn't finish and I killed the
Spark process. I think there are some performance issues. I'll try to look at
your code but without comments it would be challenging :)
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