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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/02/06 04:56:00 UTC

[jira] [Updated] (ARROW-2873) [Python] Micro-optimize scalar value instantiation

     [ https://issues.apache.org/jira/browse/ARROW-2873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-2873:
--------------------------------
    Fix Version/s: 0.14.0

> [Python] Micro-optimize scalar value instantiation
> --------------------------------------------------
>
>                 Key: ARROW-2873
>                 URL: https://issues.apache.org/jira/browse/ARROW-2873
>             Project: Apache Arrow
>          Issue Type: Task
>          Components: Python
>            Reporter: Krisztian Szucs
>            Priority: Minor
>             Fix For: 0.14.0
>
>
> This lead to a 20% time increase in __getitem__: https://pandas.pydata.org/speed/arrow/#array_ops.ScalarAccess.time_getitem
> See conversation: https://github.com/apache/arrow/commit/dc80a768c0a15e62998ccd32d8353d2035302cb6#r29746119



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