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https://issues.apache.org/jira/browse/SPARK-9018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14627619#comment-14627619
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Apache Spark commented on SPARK-9018:
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User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/7415
> Implement a generic Timer utility for ML algorithms
> ---------------------------------------------------
>
> Key: SPARK-9018
> URL: https://issues.apache.org/jira/browse/SPARK-9018
> Project: Spark
> Issue Type: Sub-task
> Components: ML, MLlib
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The Timer utility should be based on the one implemented in trees. In
> particular, we should offer two versions:
> 1. a global timer that is initialized on the driver and use accumulator to
> aggregate time
> 2. a local timer that is initialized on the worker, and only provide per task
> measurement.
> 1) needs some performance benchmark and guidance on the granularity.
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