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Posted to dev@parquet.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/05/01 22:41:00 UTC
[jira] [Assigned] (PARQUET-1413) [C++] Remove virtual calls from
parquet::Comparator hot paths on writing file
[ https://issues.apache.org/jira/browse/PARQUET-1413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney reassigned PARQUET-1413:
-------------------------------------
Assignee: Wes McKinney
> [C++] Remove virtual calls from parquet::Comparator hot paths on writing file
> -----------------------------------------------------------------------------
>
> Key: PARQUET-1413
> URL: https://issues.apache.org/jira/browse/PARQUET-1413
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-cpp
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Fix For: cpp-1.6.0
>
>
> Having virtual calls on the innermost loop of writing to a file would be best avoided. While we need to provide for users to write custom comparators (I think?), an implementation of a single-value comparison should be inlined into an array-oriented update step so that the per-element looping does not contain a virtual call
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