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GeezerVison is showing github.com — The code generated by the JIT for loading 16 bit and 32 bit constants is inefficient. · Issue #140683 · python/cpython Closed Closed Copy link Labels 3.15bugs and security fixesbugs and security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagePerformance or resource usagetopic-JIT DescriptionThis affects both x86-64 and AArch64. Most guard micro-ops are checking against 16 or 32 bit version numbers, so this is an important use case. The code we generate is too large and, on AArch64, performs extra memory accesses.
Linked PRsReacted by Mikhail Efimov, balmasexy, Sergey Miryanov and Gregory P. Smith Activity
MetadataMetadataAssigneesLabels3.15bugs and security fixesbugs and security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagePerformance or resource usagetopic-JIT ProjectsMilestoneRelationshipsDevelopmentIssue actions | |||||||||||||||
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