DRAFT PoC - Adaptive `MinMaxBytesAccumulator` with Mode-Sensitive Dense/Sparse Processing and Comprehensive Criterion Benchmarks#18006

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kosiew wants to merge 21 commits intoapache:mainfrom

kosiew:minmax-17897

Commits on Oct 10, 2025

Implement per-batch scratch tracking for Min/Max bytes accumulator and add benchmarks
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minmax-bytes: reintroduce hybrid dense/sparse scratch with heuristic activation
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minmax-bytes: fix dense batch regression and add diagnostic documentation
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aggregate-minmax: introduce adaptive workload mode selection and dense inline fast path
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minmax-bytes+struct: add sequential dense fast path, deferred marks, and
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minmax-bytes: fix overcounting of unique groups in sequential_dense path and expand benchmarks
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functions-aggregate: optimize min/max bytes sequential dense path and add tracing feature
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rm working md
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benches: add new benchmarks for extreme duplicates, quadratic growth, and mode transitions
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remove optional tracing dependency and related feature from functions-aggregate
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refactor: reorganize imports for clarity in min_max_bytes benchmark
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fix clippy, taplo errors
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Commits on Oct 11, 2025