fast_io.rs: use sendfile or splice if copy_file_range is not supported by Franklin-Qi · Pull Request #459 · uutils/sed

Performance Regression: -0.97%

⚡ 2 improved benchmarks
❌ 2 regressed benchmarks
✅ 7 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

	Benchmark	`BASE`	`HEAD`	Efficiency
❌	`access_log_subst`	2.4 s	2.5 s	-6.22%
❌	`number_fix`	1.4 s	1.5 s	-5.76%
⚡	`no_op_short`	2.4 s	2.3 s	+5.15%
⚡	`access_log_no_op`	1.8 s	1.7 s	+3.51%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

_{Comparing Franklin-Qi:fix-#443-use-sendfile-or-splice-if-copy-file-range-is-not-supported (1889db5) with main (618a3f7)}