fallintoplace opened a new pull request, #1247: URL: https://github.com/apache/arrow-go/pull/1247
## Summary - **Reuse the dictionary RLE decoder between data pages.** - Reset the existing `TypedRleDecoder` and its `bytes.Reader` in `SetData`. - Keep the current bit-width validation and empty-page behavior. - Add a page-transition regression test covering partial runs, literal runs, and empty data. - Add small-page and `SetData` allocation benchmarks. ## Benchmark Local Apple M1 Pro run with `GOMAXPROCS=1`: repeated `SetData` improved from about **0.6-1.0 us / 4.9 KiB / 3 allocs** to **6.3 ns / 0 B / 0 allocs**. ## Tests - `go test ./parquet/internal/encoding ./parquet/internal/utils` - `go test -race ./parquet/internal/encoding ./parquet/internal/utils` - `go vet -composites=false ./parquet/internal/encoding ./parquet/internal/utils` - `GOOS=linux GOARCH=386 go test -c -o /dev/null ./parquet/internal/encoding` ## User-facing changes No. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
