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DefinitionsByNode and UseDefMap::definitions_by_definition currently retain hash tables after semantic indexing has finished, even though the retained semantic index only needs deterministic keyed lookup.
This changes those retained maps to use the existing sorted FrozenMap representation. The builders continue to use hash maps while constructing the semantic index, then freeze the final entries into sorted slices before returning the cached value.
On the PyTorch memory benchmark, this reduced retained memory by 5.66 MB (0.40%).
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
DefinitionsByNodeandUseDefMap::definitions_by_definitioncurrently retain hash tables after semantic indexing has finished, even though the retained semantic index only needs deterministic keyed lookup.This changes those retained maps to use the existing sorted
FrozenMaprepresentation. The builders continue to use hash maps while constructing the semantic index, then freeze the final entries into sorted slices before returning the cached value.On the PyTorch memory benchmark, this reduced retained memory by 5.66 MB (0.40%).