You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/04/25 07:34:39 UTC

[jira] [Commented] (SPARK-7140) Do not scan all values in Vector.hashCode

    [ https://issues.apache.org/jira/browse/SPARK-7140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512269#comment-14512269 ] 

Apache Spark commented on SPARK-7140:
-------------------------------------

User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/5697

> Do not scan all values in Vector.hashCode
> -----------------------------------------
>
>                 Key: SPARK-7140
>                 URL: https://issues.apache.org/jira/browse/SPARK-7140
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> It makes hashCode really expensive. The Pyrolite version we are using in Spark calls it in serialization. Scanning the first few nonzeros should be sufficient.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org