don't redownload duckdb for every branch #7747
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CodSpeed HQ / CodSpeed Performance Analysis
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May 1, 2026 in 0s
Performance Regression: -33.33%
⚠️ 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.
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 6 improved benchmarks
❌ 5 regressed benchmarks
✅ 1187 untouched benchmarks
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | WallTime | dynamic_dispatch_u32[10M] |
106.5 µs | 159.7 µs | -33.33% |
| ⚡ | Simulation | decompress_rd[f32, (10000, 0.1)] |
90.2 µs | 82 µs | +10% |
| ❌ | Simulation | decompress_rd[f64, (100000, 0.01)] |
842.6 µs | 1,020.5 µs | -17.44% |
| ⚡ | Simulation | decompress_rd[f64, (10000, 0.1)] |
138.7 µs | 122 µs | +13.63% |
| ⚡ | Simulation | decompress_rd[f64, (10000, 0.01)] |
138.6 µs | 121.9 µs | +13.7% |
| ⚡ | Simulation | decompress_rd[f64, (10000, 0.0)] |
138.5 µs | 122.1 µs | +13.46% |
| ⚡ | Simulation | decompress_rd[f32, (100000, 0.0)] |
583.5 µs | 495.7 µs | +17.7% |
| ❌ | Simulation | decompress_rd[f32, (100000, 0.01)] |
495.1 µs | 582.7 µs | -15.04% |
| ❌ | Simulation | decompress_rd[f64, (100000, 0.1)] |
842.5 µs | 1,020.7 µs | -17.46% |
| ❌ | Simulation | decompress_rd[f32, (100000, 0.1)] |
495.1 µs | 582.7 µs | -15.04% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[128] |
275.3 ns | 246.1 ns | +11.85% |
Comparing myrrc/duckdb-no-reload (849b787) with develop (c4feed7)
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