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Using the public PyUnicodeWriter C API made the json module slower #133968

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extension-modulesC modules in the Modules dirperformancePerformance or resource usagestdlibPython modules in the Lib dirtype-bugAn unexpected behavior, bug, or error
@vstinner

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@vstinner

I modified the json module to replace the private _PyUnicodeWriter C API with the public PyUnicodeWriter C API:

Problem: it made the json module slower. Let's investigate what's going on.

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    extension-modulesC modules in the Modules dirperformancePerformance or resource usagestdlibPython modules in the Lib dirtype-bugAn unexpected behavior, bug, or error

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