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https://issues.apache.org/jira/browse/ARROW-13914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17410677#comment-17410677
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Krisztian Szucs commented on ARROW-13914:
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I'm not saying that it is important or urgent, though I think we should enable
the user to convert pure integer sequences without presuming that there can be
floating point numbers, thus doubling the conversion time.
> [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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