Bryan Cutler created SPARK-19071:
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Summary: Optimizations for ML Pipeline Tuning
Key: SPARK-19071
URL: https://issues.apache.org/jira/browse/SPARK-19071
Project: Spark
Issue Type: Improvement
Components: ML
Reporter: Bryan Cutler
This is a parent task to plan the addition of optimizations in ML tuning for
parallel model evaluation and more efficiency with pipelines. They will
benefit Crossvalidator and TrainValidationSplit when performing a parameter
grid search. The proposal can be broken into 3 steps in order of simplicity:
1. Add ability to evaluate models in parallel.
2. Optimize param grid for pipelines, as described in SPARK-5844
3. Add parallel model evaluation to the optimized pipelines from step 2
See the linked design document for details on the proposed implementation.
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