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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2014/11/23 10:16:12 UTC
[jira] [Updated] (SPARK-4562) serialization of DenseVector is slow
[ https://issues.apache.org/jira/browse/SPARK-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu updated SPARK-4562:
------------------------------
Summary: serialization of DenseVector is slow (was: Improve serializationi of DenseVector)
> serialization of DenseVector is slow
> ------------------------------------
>
> Key: SPARK-4562
> URL: https://issues.apache.org/jira/browse/SPARK-4562
> Project: Spark
> Issue Type: Improvement
> Components: MLlib, PySpark
> Affects Versions: 1.2.0
> Reporter: Davies Liu
>
> There is a performance regression in test of GLM, it's introduced by serialization change of Vector.
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