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JIT optimize dict access with consts with known hash · Issue #146558 · python/cpython · GitHub

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JIT optimize dict access with consts with known hash #146558

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JIT optimize dict access with consts with known hash#146558
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interpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagetopic-JITtype-featureA feature request or enhancement

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kumaraditya303
opened on Mar 28, 2026

Currently the JIT does not optimizes dict accesses with ints, strs and other objects whose hash can be pre-computed. The JIT can take advantage of pre-computed hashes to speed up dict lookups.

See the PR for more details.

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    interpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagetopic-JITtype-featureA feature request or enhancement

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