[jira] [Created] (MADLIB-1427) DL - cache data to speed training

[Frank McQuillan (Jira)]

Frank McQuillan created MADLIB-1427:
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             Summary: DL - cache data to speed training
                 Key: MADLIB-1427
                 URL: https://issues.apache.org/jira/browse/MADLIB-1427
             Project: Apache MADlib
          Issue Type: Improvement
          Components: Deep Learning
            Reporter: Frank McQuillan
             Fix For: v1.18.0


Instead of calling Keras fit() for each buffer (row) in the input table, cache 
multiple buffers together and make a single call to Keras fit().

Also add a BOOLEAN to fit() in case user wants to turn off caching if the data 
does not fit in memory on the segment host.



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