Positive % = V2 slower / larger than Today. Negative = improvement. One row per (bench, architecture).
| Bench | Arch | ns delta % | ns 95% CI half-width | alloc delta % |
|---|---|---|---|---|
| M1 | Arm64 | +16.7% | ±13.5% | +0.6% |
| M10 | Arm64 | -8.0% | ±13.8% | -2.8% |
| M11 | Arm64 | -16.7% | ±4.7% | -3.4% |
| M12 | Arm64 | +6.8% | ±5.5% | 0.0% |
| M13 | Arm64 | +13.4% | ±58.6% | 0.0% |
| M2 | Arm64 | -4.3% | ±9.3% | -0.5% |
| M3 | Arm64 | +13.0% | ±21.4% | -4.9% |
| M4 | Arm64 | +0.1% | ±13.1% | +0.2% |
| M5 | Arm64 | +0.5% | ±19.9% | +11.1% |
| M6 | Arm64 | -2.4% | ±6.5% | 0.0% |
| M7 | Arm64 | -8.8% | ±3.1% | 0.0% |
| M8 | Arm64 | -9.4% | ±1.8% | 0.0% |
| M9 | Arm64 | +2.1% | ±2.0% | 0.0% |