Benchmark reporting improvements (better engine-specific comparison, better file size comparison) #8123
+385
−67
CodSpeed HQ / CodSpeed Performance Analysis
failed
May 27, 2026
1 benchmark regressed
⚠️ Unknown Walltime execution environment detected
Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.
For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.
⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 1264 untouched benchmarks
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | Simulation | chunked_varbinview_opt_canonical_into[(1000, 10)] |
225.1 µs | 187.8 µs | +19.84% |
| ❌ | Simulation | chunked_varbinview_canonical_into[(100, 100)] |
273.1 µs | 307.8 µs | -11.27% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing adamg/engine-level-analysis (672a27e) with develop (9e5ed2e)
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