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Move the UUID extension dtype into encodings/uuid - #9588

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ji/lucid-feynman-58mu0n
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Move the UUID extension dtype into encodings/uuid#9588
joseph-isaacs wants to merge 2 commits into
developfrom
ji/lucid-feynman-58mu0n

Test that the default session initializes UUID

f1e6c20
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 24, 2026

Performance Regression: -12.61%

⚠️ 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.

❌ 3 regressed benchmarks
✅ 1978 untouched benchmarks
⏩ 54 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation canonicalize_sparse_list[(512, 7, 4)] 571.7 µs 662.3 µs -13.67%
Simulation canonicalize_sparse_list[(1024, 17, 8)] 508.7 µs 584.2 µs -12.93%
Simulation compress_fsst[(500, 64, 8)] 530.5 µs 597.5 µs -11.21%

Tip

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


Comparing ji/lucid-feynman-58mu0n (f1e6c20) with develop (e4b3421)

Open in CodSpeed

Footnotes

  1. 54 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.