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[ty] Widen nested literals during inference for huge collections #24716

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[ty] Widen nested literals during inference for huge collections #24716

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CodSpeed HQ / CodSpeed Performance Analysis succeeded May 3, 2026 in 0s

Performance Gate Passed

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 2 improved benchmarks
✅ 55 untouched benchmarks
⏩ 60 skipped benchmarks1

Performance Changes

Mode Benchmark BASE HEAD Efficiency
⚡ Simulation ty_micro[typevar_mapping_accumulation] 370.7 ms 66.1 ms ×5.6
⚡ Memory ty_micro[typevar_mapping_accumulation] 32.6 MB 13.5 MB ×2.4

Comparing charlie/promote-perf (acd41cb) with main (e002c44)

Open in CodSpeed

Footnotes

  1. 60 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. ↩

View more details on CodSpeed HQ