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Reuse parser scratch buffers - #26798

Merged
charliermarsh merged 10 commits into
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micha/parser-reuse-scratch-buffers
Jul 16, 2026
Merged

Reuse parser scratch buffers#26798
charliermarsh merged 10 commits into
mainfrom
micha/parser-reuse-scratch-buffers

Assert scratch buffers are empty on drop

87174d6
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CodSpeed HQ / CodSpeed Performance Analysis completed Jul 15, 2026 in 0s

Acknowledged Regression: -2.52%

⚠️ 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

⚡ 4 improved benchmarks
❌ 2 (👁 2) regressed benchmarks
✅ 149 untouched benchmarks
⏩ 2 skipped benchmarks1

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation parser[large/dataset.py] 3.3 ms 3.1 ms +7.13%
Simulation parser[numpy/ctypeslib.py] 657.1 µs 619.1 µs +6.14%
Memory parser[large/dataset.py] 776.3 KB 735.4 KB +5.56%
Simulation parser[pydantic/types.py] 1.4 ms 1.3 ms +5.47%
👁 Memory parser[unicode/pypinyin.py] 45.6 KB 49.8 KB -8.39%
👁 Memory parser[numpy/globals.py] 13.8 KB 18.6 KB -25.99%

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Comparing micha/parser-reuse-scratch-buffers (87174d6) with main (9e06f27)

Open in CodSpeed

Footnotes

  1. 2 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.