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https://issues.apache.org/jira/browse/ARROW-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney resolved ARROW-2900.
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Resolution: Fixed
Assignee: Wes McKinney
about 8-10x faster after ARROW-2814
{code}
$ python -m timeit -s "import numpy as np, pyarrow as pa; data =
[np.arange(10000)]" "pa.array(data)"
10000 loops, best of 3: 120 usec per loop
{code}
> [Python] Improve performance of appending nested NumPy arrays in
> builtin_convert.cc
> -----------------------------------------------------------------------------------
>
> Key: ARROW-2900
> URL: https://issues.apache.org/jira/browse/ARROW-2900
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Fix For: 0.11.0
>
>
> See discussion and benchmarks in
> https://github.com/apache/arrow/pull/2308
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