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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-19733) ALS performs unnecessary casting on item and user ids
Date Sat, 25 Feb 2017 00:08:44 GMT

     [ https://issues.apache.org/jira/browse/SPARK-19733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-19733:
------------------------------------

    Assignee:     (was: Apache Spark)

> ALS performs unnecessary casting on item and user ids
> -----------------------------------------------------
>
>                 Key: SPARK-19733
>                 URL: https://issues.apache.org/jira/browse/SPARK-19733
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.6.3, 2.0.0, 2.0.1, 2.1.0
>            Reporter: Vasilis Vryniotis
>
> The ALS is performing unnecessary casting to the user and item ids (to double). I believe
this is because the protected checkedCast() method requires a double input. This can be avoided
by refactroing the code of checkedCast method.
> Issue resolved by pull-request 17059:
> https://github.com/apache/spark/pull/17059



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