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Deep Learning with DL4J on Apache Spark
DeepLearning4J (DL4J) is a powerful Open Source distributed framework that brings Deep Learning to the JVM (it can serve as a DIY tool for Java, Scala, Clojure and Kotlin programmers). It can be used on distributed GPUs and CPUs. It is integrated with Hadoop and Apache Spark. ND4J is a Open Source, distributed and GPU-enabled library that brings the intuitive scientific computing tools of the Python community to the JVM. Training neural network models using DL4J, ND4J and Spark is a powerful combination, but it presents some unexpected issues that can compromise performance and nullify the benefits of well written code and good model design. In this talk I will walk through some of those problems and will present some best practices to prevent them, coming from lessons learned when putting things in production.