Bryan Cutler created SPARK-19357:
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Summary: Parallel Model Evaluation for ML Pipeline Tuning
Key: SPARK-19357
URL: https://issues.apache.org/jira/browse/SPARK-19357
Project: Spark
Issue Type: Sub-task
Components: ML
Reporter: Bryan Cutler
This is a first step of the parent task of Optimizations for ML Pipeline Tuning
to perform model evaluation in parallel. A simple approach is to naively
evaluate with a possible parameter to control the level of parallelism. There
are some concerns with this:
* excessive caching of datasets
* what to set as the default value for level of parallelism. 1 will evaluate
all models in serial, as is done currently. Higher values could lead to
excessive caching.
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