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Delta validity is a top level child - #9970

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fix/fastlanes-delta-validity-top-child
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fix/fastlanes-delta-validity-top-child

Delta validity is a top level child

2d0a705
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CodSpeed / CodSpeed Performance Analysis failed Sep 21, 2026

Performance Regression: -11.75%

⚠️ 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
❌ 4 regressed benchmarks
✅ 2203 untouched benchmarks
⏩ 293 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation decode_primitives[f32, (1000, 512)] 42 µs 64.2 µs -34.63%
Simulation take_fsl_u32_random[16, 100] 125.9 µs 165.8 µs -24.03%
WallTime dbp_assemble_kernel_avx512[(I128, 1024)] 463 ns 557 ns -16.88%
WallTime dbp_assemble_kernel_avx2[(I128, 1024)] 464 ns 538 ns -13.75%
Simulation take_fsl_f16_random[16, 100] 179.5 µs 119.4 µs +50.35%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing fix/fastlanes-delta-validity-top-child (2d0a705) with develop (a542cbd)

Open in CodSpeed

Footnotes

  1. 293 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.