Wes McKinney created ARROW-16756:
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Summary: [C++] Introduce initial ArraySpan, ExecSpan non-owning /
shared_ptr-free data structures for kernel execution, refactor scalar kernels
Key: ARROW-16756
URL: https://issues.apache.org/jira/browse/ARROW-16756
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Wes McKinney
Assignee: Wes McKinney
Fix For: 9.0.0
This is essential to reduce microperformance overhead as has been discussed and
investigated many other places. This first stage of work is to remove the use
of {{Datum}} and {{ExecBatch}} from the input side of only scalar kernels, so
that we can work toward using span/view data structures as the inputs (and
eventually outputs) of all kernels.
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