[PR] perf(arrow/array): bulk append fixed-width empty values [arrow-go]

["fallintoplace (via GitHub)" <gi...@apache.org>]

fallintoplace opened a new pull request, #1180:
URL: https://github.com/apache/arrow-go/pull/1180

   ## Summary
   
   - Bulk append fixed-width empty values.
   - Clear reused fixed-width storage before exposing it.
   - Handle boolean values bitmap separately from the validity bitmap.
   - Add focused tests and benchmarks.
   
   ## Benchmarks
   
   `AppendEmptyValues(1024)` on Apple M1 Pro:
   
   - Int32: 5.1 us -> 1.5 us, 11 -> 5 allocs
   - Int64: 6.4 us -> 2.5 us, 11 -> 5 allocs
   - Boolean: 4.0 us -> 0.3 us, 7 -> 5 allocs
   - Fixed-size binary: 10.1 us -> 5.7 us, 16 -> 7 allocs
   
   ## Tests
   
   - `go test ./arrow/array`
   - `go vet ./arrow/array`


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Re: [PR] perf(arrow/array): bulk append fixed-width empty values [arrow-go]

["zeroshade (via GitHub)" <gi...@apache.org>]

zeroshade merged PR #1180:
URL: https://github.com/apache/arrow-go/pull/1180


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