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Posted to issues@spark.apache.org by "Manoj Kumar (JIRA)" <ji...@apache.org> on 2015/08/01 17:45:04 UTC

[jira] [Updated] (SPARK-9525) Optimize SparseVector initializations in linalg

     [ https://issues.apache.org/jira/browse/SPARK-9525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manoj Kumar updated SPARK-9525:
-------------------------------
    Priority: Major  (was: Minor)

> Optimize SparseVector initializations in linalg
> -----------------------------------------------
>
>                 Key: SPARK-9525
>                 URL: https://issues.apache.org/jira/browse/SPARK-9525
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib, PySpark
>            Reporter: Manoj Kumar
>
> 1. Remove sorting of indices and assume that the user gives a sorted tuple of indices, values etc
> 2. Avoid iterating twice to get the indices and values if the argument provided is a dict.
> 3. Add checks such that the length of the indices should be less than the size provided.



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