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