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https://issues.apache.org/jira/browse/ARROW-13914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17410654#comment-17410654
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Krisztian Szucs commented on ARROW-13914:
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Same time ratio with both `[1, 2, 3] * 10000` and `[[1, 2]] * 10000`
> [C++][Python] Optimize type inference when converting from python values
> ------------------------------------------------------------------------
>
> Key: ARROW-13914
> URL: https://issues.apache.org/jira/browse/ARROW-13914
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Krisztian Szucs
> Priority: Minor
>
> Currently we use an extensive set of checks to infer arrow type from python
> sequences.
> Last time I checked using asv, the inference part had a significant overhead.
> We could try other approaches to speed-up the type inference, see comments:
> https://github.com/apache/arrow/pull/11076#discussion_r702808196
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