[jira] [Commented] (ARROW-4504) [C++] Reduce the number of unit test executables

["Antoine Pitrou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-4504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763536#comment-16763536 ] 

Antoine Pitrou commented on ARROW-4504:
---------------------------------------

Is it for all tests, or only the Parquet tests which are statically-linked?

> [C++] Reduce the number of unit test executables
> ------------------------------------------------
>
>                 Key: ARROW-4504
>                 URL: https://issues.apache.org/jira/browse/ARROW-4504
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 0.13.0
>
>
> Link times are a significant drag in MSVC builds. They don't affect Linux nearly as much when building with Ninja. I suggest we combine some of the fast-running tests within logical units to see if we can cut down from 106 test executables to 70 or so
> {code}
> 100% tests passed, 0 tests failed out of 107
> Label Time Summary:
> arrow-tests           =  21.19 sec*proc (48 tests)
> arrow_python-tests    =   0.26 sec*proc (1 test)
> example               =   0.05 sec*proc (1 test)
> gandiva-tests         =  11.65 sec*proc (39 tests)
> parquet-tests         =  35.81 sec*proc (18 tests)
> unittest              =  68.92 sec*proc (106 tests)
> {code}



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