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Vectorize checked multiplication by reporting evidence, not a comparison - #9210

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connortsui20 merged 1 commit into
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ct/unsigned-mul-evidence
Aug 5, 2026
Merged

Vectorize checked multiplication by reporting evidence, not a comparison#9210
connortsui20 merged 1 commit into
developfrom
ct/unsigned-mul-evidence

Vectorize checked multiplication by reporting evidence, not a comparison

ec9c9b1
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 5, 2026 in 0s

1 benchmark regressed

⚡ 3 improved benchmarks
❌ 1 regressed benchmark
✅ 1891 untouched benchmarks
⏩ 43 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation decompress[u64, (1000, 16)] 65.2 µs 73.7 µs -11.5%
Simulation mul_u8_nonnull 405.3 µs 165.8 µs ×2.4
Simulation mul_u16_nonnull 501.5 µs 269.7 µs +85.94%
Simulation mul_u32_nonnull 722.3 µs 487.3 µs +48.24%

Tip

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


Comparing ct/unsigned-mul-evidence (ec9c9b1) with develop (8316455)

Open in CodSpeed

Footnotes

  1. 43 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.