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Most retained DefinitionInference values need only one or two fields from DefinitionInferenceExtra, but currently allocate the full structure.
This specializes the common shapes into compact enum variants and keeps the existing structure as a fallback for uncommon combinations. Based on the measured shape distribution, this is expected to reduce retained memory by about 789 MB, or 0.78%, on the large-repository workload used for this investigation.
Current numbers
The percentage of diagnostics emitted that were expected errors held steady at 94.36%. The percentage of expected errors that received a diagnostic held steady at 88.82%. The number of fully passing files held steady at 93/134.
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performancePotential performance improvementtyMulti-file analysis & type inference
2 participants
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Summary
Most retained
DefinitionInferencevalues need only one or two fields fromDefinitionInferenceExtra, but currently allocate the full structure.This specializes the common shapes into compact enum variants and keeps the existing structure as a fallback for uncommon combinations. Based on the measured shape distribution, this is expected to reduce retained memory by about 789 MB, or 0.78%, on the large-repository workload used for this investigation.