June 20, 2019 | 10am PDT

Automated Machine Learning (AutoML) has received significant interest recently. We believe that the right automation would bring significant value and dramatically shorten time-to-value for data science teams. Databricks is automating the Data Science and Machine Learning process through a combination of product offerings, partnerships, and custom solutions. This talk will focus on how Databricks can help automate hyperparameter tuning.

For both traditional Machine Learning and modern Deep Learning, tuning hyperparameters can dramatically increase model performance and improve training times. However, tuning can be a complex and expensive process. In this talk, we'll start with a brief survey of the most popular techniques for hyperparameter tuning (e.g., grid search, random search, and Bayesian optimization). We will then discuss open source tools that implement each of these techniques, helping to automate the search over hyperparameters.

Finally, we will discuss and demo improvements we built for these tools in Databricks, including integration with MLflow:

  • Apache PySpark MLlib integration with MLflow for automatically tracking tuning
  • Hyperopt integration with Apache Spark to distribute tuning and with MLflow for automatic tracking

Recording and notebooks will be provided after the webinar so that you can practice at your own pace.

Presenters
Joseph Bradley, Software Engineer, Databricks
Joseph Bradley is a Software Engineer and Apache Spark PMC member working on Machine Learning at Databricks. Previously, he was a postdoc at UC Berkeley after receiving his Ph.D. in Machine Learning from Carnegie Mellon in 2013.
Yifan Cao, Senior Product Manager, Databricks
Yifan Cao is a Senior Product Manager at Databricks. His product area spans ML/DL algorithms and Databricks Runtime for Machine Learning. Prior to Databricks, Yifan worked on two Machine Learning products, applying NLP to find metadata and applying machine learning to predict equipment failures. He helped build the products from ground up to multi-million dollars in ARR. Yifan started his career as a researcher in quantum computing. Yifan received his B.S in UC Berkeley and Master from MIT.

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