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feat: Implement BufWriter optimization for du stdout output (fixes #9…#9174

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feat: Implement BufWriter optimization for du stdout output (fixes #9…#9174
naoNao89 wants to merge 1 commit into
uutils:mainfrom
naoNao89:feature/du-buffer-optimization-9146

feat: Implement BufWriter optimization for du stdout output (fixes #9…

4715083
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CodSpeed HQ / CodSpeed Performance Analysis succeeded Jan 22, 2026 in 0s

Performance Gate Passed

⚡ 1 improved benchmark
✅ 140 untouched benchmarks
🆕 2 new benchmarks
⏩ 180 skipped benchmarks1

Performance Changes

Mode Benchmark BASE HEAD Efficiency
🆕 Simulation du_all_extreme_wide_tree[(2000, 500)] N/A 10.3 ms N/A
Simulation du_all_wide_tree[(5000, 500)] 19.1 ms 17.3 ms +10.18%
🆕 Simulation du_all_stress_balanced_tree[(3, 5, 6)] N/A 1.1 ms N/A

Comparing naoNao89:feature/du-buffer-optimization-9146 (4715083) with main (7d63363)

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Footnotes

  1. 180 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.