sort: improve performance for very long lines (#12138) #12193
Closed
CodSpeed HQ / CodSpeed Performance Analysis
failed
May 7, 2026
Performance Regression: -3.9%
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 315 untouched benchmarks
⏩ 46 skipped benchmarks1
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | Simulation | sort_long_line[10000] |
423.1 µs | 409 µs | +3.46% |
| ❌ | Simulation | sort_key_field[500000] |
767.8 ms | 799 ms | -3.9% |
Comparing sylvestre:sort-per-impl (dec19b3) with main (485b156)
Footnotes
-
46 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. ↩
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