dd: write complete blocks without buffering them first#13471
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relative23 wants to merge 5 commits into
Open
dd: write complete blocks without buffering them first#13471relative23 wants to merge 5 commits into
relative23 wants to merge 5 commits into
CodSpeed HQ / CodSpeed Performance Analysis
succeeded
Jul 23, 2026
Performance Gate Passed
⚡ 2 improved benchmarks
✅ 337 untouched benchmarks
⏩ 46 skipped benchmarks1
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | Simulation | dd_copy_separate_blocks |
44,076.4 µs | 971.8 µs | ×45 |
| ⚡ | Simulation | dd_copy_default |
13.6 ms | 11.2 ms | +21.98% |
Tip
Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.
Comparing relative23:dd-buffered-output-fast-path (1180ce8) with main (20bc45c)
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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