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shuf: Tune performance for -i 1-1000000

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shuf: Tune performance for -i 1-1000000 #10478

shuf: Tune performance for -i 1-1000000
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CodSpeed HQ / CodSpeed Performance Analysis succeeded Jan 25, 2026 in 0s

Performance Gate Passed

Summary

⚡ 2 improved benchmarks
✅ 140 untouched benchmarks
⏩ 180 skipped benchmarks1

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation shuf_repeat_sampling[50000] 5.2 ms 4.7 ms +9.05%
Simulation shuf_lines[100000] 31.7 ms 27.1 ms +17%

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.