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Posted to issues@spark.apache.org by "yuhao yang (JIRA)" <ji...@apache.org> on 2015/01/16 10:30:34 UTC

[jira] [Commented] (SPARK-5186) Vector.equals and Vector.hashCode are very inefficient and fail on SparseVectors with large size

    [ https://issues.apache.org/jira/browse/SPARK-5186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280025#comment-14280025 ] 

yuhao yang commented on SPARK-5186:
-----------------------------------

I just updated the PR with a hashCode fix. Please help review at will.

> Vector.equals  and Vector.hashCode are very inefficient and fail on SparseVectors with large size
> -------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-5186
>                 URL: https://issues.apache.org/jira/browse/SPARK-5186
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib
>    Affects Versions: 1.2.0
>            Reporter: Derrick Burns
>   Original Estimate: 0.25h
>  Remaining Estimate: 0.25h
>
> The implementation of Vector.equals and Vector.hashCode are correct but slow for SparseVectors that are truly sparse.



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