Generalize SIMD take operations to Copy#8496
Merged
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Jun 18, 2026 in 0s
2 benchmarks 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.
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 9 improved benchmarks
❌ 2 regressed benchmarks
✅ 1570 untouched benchmarks
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | chunked_varbinview_canonical_into[(100, 100)] |
223.8 µs | 259.3 µs | -13.66% |
| ❌ | Simulation | chunked_varbinview_opt_canonical_into[(100, 100)] |
304.7 µs | 341 µs | -10.63% |
| ⚡ | Simulation | decompress_rd[f64, (100000, 0.01)] |
1,020.9 µs | 842.5 µs | +21.18% |
| ⚡ | Simulation | decompress_rd[f64, (100000, 0.1)] |
1,020.9 µs | 842.5 µs | +21.18% |
| ⚡ | Simulation | decompress_rd[f32, (100000, 0.1)] |
583 µs | 495.1 µs | +17.74% |
| ⚡ | Simulation | decompress_rd[f32, (100000, 0.01)] |
583 µs | 495.1 µs | +17.74% |
| ⚡ | Simulation | take_filter_primitive_large_random_mask_random_indices[(2500, 25000)] |
331.5 µs | 283.1 µs | +17.12% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[128] |
215.3 ns | 186.1 ns | +15.67% |
| ⚡ | Simulation | take_filter_primitive_large_random_mask_random_indices[(12500, 25000)] |
400.7 µs | 352.2 µs | +13.78% |
| ⚡ | Simulation | extend_from_array_zctl[(1000, 64)] |
1.2 ms | 1 ms | +12.03% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[1024] |
275.6 ns | 246.4 ns | +11.84% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing ct/simd-copy (d5f63d5) with develop (ed69077)
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