Frank Du created ARROW-9702:
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Summary: [C++] Move bpacking simd to runtime path
Key: ARROW-9702
URL: https://issues.apache.org/jira/browse/ARROW-9702
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Frank Du
Assignee: Frank Du
Currently there are some static avx512 SIMD codes for unpack32 function, it
should be reworked to runtime path. Also it can be implemented with avx2.
The unpack32 API is used by PlainDecodingBoolean.
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