Nick Pentreath created SPARK-20677:
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Summary: Clean up ALS recommend all improvement code.
Key: SPARK-20677
URL: https://issues.apache.org/jira/browse/SPARK-20677
Project: Spark
Issue Type: Improvement
Components: ML, MLlib
Affects Versions: 2.2.0
Reporter: Nick Pentreath
Priority: Minor
SPARK-11968 and SPARK-20587 added performance improvements to the "recommend
all" methods of {{ALS}}. This JIRA tracks a few clean ups as follow up:
# Force use F2jBLAS {{dot}} instead of the hand-written version
# Clean up increment variables
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