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Posted to issues@spark.apache.org by "Weichen Xu (JIRA)" <ji...@apache.org> on 2016/08/15 07:48:20 UTC
[jira] [Updated] (SPARK-16934) Update LogisticCostAggregator
serialization code to make it consistent with LinearRegression
[ https://issues.apache.org/jira/browse/SPARK-16934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weichen Xu updated SPARK-16934:
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Summary: Update LogisticCostAggregator serialization code to make it consistent with LinearRegression (was: Improve LogisticCostFun to avoid redundant serialization)
> Update LogisticCostAggregator serialization code to make it consistent with LinearRegression
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-16934
> URL: https://issues.apache.org/jira/browse/SPARK-16934
> Project: Spark
> Issue Type: Improvement
> Components: ML, MLlib
> Reporter: Weichen Xu
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The LogisticCostFun, when calculate, it will serialize closure var `featureStd` each time when called, we can improve it using broadcast var.
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