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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/08/13 07:23:46 UTC

[jira] [Commented] (SPARK-6364) hashCode and equals for Matrices

    [ https://issues.apache.org/jira/browse/SPARK-6364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694709#comment-14694709 ] 

Xiangrui Meng commented on SPARK-6364:
--------------------------------------

[~MechCoder] I closed this JIRA because SPARK-9750 was merged while SPARK-9919 is pending.

> hashCode and equals for Matrices
> --------------------------------
>
>                 Key: SPARK-6364
>                 URL: https://issues.apache.org/jira/browse/SPARK-6364
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 1.4.0
>            Reporter: Xiangrui Meng
>            Assignee: Manoj Kumar
>
> hashCode implementation should be similar to Vector's. But we may want to reduce the complexity by scanning only a few nonzeros instead of all.



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