Reduce constant mask for MaskedArray and Mask scalarfn - #9038
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CodSpeed HQ / CodSpeed Performance Analysis
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Jul 29, 2026
1 benchmark regressed
⚡ 2 improved benchmarks
❌ 1 regressed benchmark
✅ 1838 untouched benchmarks
⏩ 55 skipped benchmarks1
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | fsl_large |
87.8 µs | 99.3 µs | -11.54% |
| ⚡ | Simulation | decompress[u64, (10000, 1024)] |
57.9 µs | 51.1 µs | +13.32% |
| ⚡ | Simulation | decode_varbin[(10000, 32)] |
154.6 µs | 140.4 µs | +10.14% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing mk/constant-true-mask-reduce (a1bb95a) with develop (2c8522f)
Footnotes
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55 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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