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Allow writing Variant to files and test parquet-variant IO #7945

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Fix variant canonicalization

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Allow writing Variant to files and test parquet-variant IO #7945

Fix variant canonicalization
93cc893
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CodSpeed HQ / CodSpeed Performance Analysis failed May 20, 2026 in 0s

1 benchmark 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.

⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 1235 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)] 273.1 µs 307.8 µs -11.27%
⚡ Simulation chunked_varbinview_opt_canonical_into[(1000, 10)] 224.9 µs 187.5 µs +19.9%

Tip

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

Comparing adamg/variant-to-file (93cc893) with develop (19a1fb3)

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