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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/11/23 17:28:00 UTC

[jira] [Commented] (ARROW-8990) [C++] Benchmark hash table against thirdparty options, possibly vendor a thirdparty hash table library

    [ https://issues.apache.org/jira/browse/ARROW-8990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17448139#comment-17448139 ] 

Antoine Pitrou commented on ARROW-8990:
---------------------------------------

Do we want to keep this open? [~bkietz] [~michalno]

> [C++] Benchmark hash table against thirdparty options, possibly vendor a thirdparty hash table library
> ------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-8990
>                 URL: https://issues.apache.org/jira/browse/ARROW-8990
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>
> While we have our own hash table implementation, it would be worthwhile to set up some benchmarks so that we can compare against std::unordered_map and some other thirdparty libraries for hash tables to know whether we should possibly use a thirdparty library. See e.g.
> https://tessil.github.io/2016/08/29/benchmark-hopscotch-map.html
> Libraries to consider: 
> * https://github.com/sparsehash/sparsehash



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