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Posted to issues@arrow.apache.org by "Yuqi Gu (Jira)" <ji...@apache.org> on 2022/02/21 09:55:00 UTC
[jira] [Created] (ARROW-15742) [Go] Implement 'bitmap_neon' with Arm64 GoLang Assembly
Yuqi Gu created ARROW-15742:
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Summary: [Go] Implement 'bitmap_neon' with Arm64 GoLang Assembly
Key: ARROW-15742
URL: https://issues.apache.org/jira/browse/ARROW-15742
Project: Apache Arrow
Issue Type: Task
Components: Go
Reporter: Yuqi Gu
Assignee: Yuqi Gu
1. Implement 'extract_bits' with Arm64 GoLang Assembly. '_pext_u64' is the x86 bmi intrinsics for extract_bits.
There is no equivalent of '_pext_u64' instruction on Arm64.
The task is to implement equivalent of '_pext_u64' by Arm64 assembly.
2. Implement 'levels_to_bitmap' with Arm64 GoLang Assembly for greaterThanBitmapNEON
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