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[SDY][optimization] Avoid redundant SymbolTable mesh lookups in getCommonMeshOrRef. #1663

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copybara-service merged 1 commit into from
Oct 8, 2026
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[SDY][optimization] Avoid redundant SymbolTable mesh lookups in getCommonMeshOrRef. #1663

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2 changes: 1 addition & 1 deletion shardy/dialect/sdy/ir/utils.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -255,7 +255,7 @@ Attribute getCommonMeshOrRef(ArrayRef<TensorShardingAttr> operandShardings,
MeshAttr mesh;
for (TensorShardingAttr sharding : llvm::concat<const TensorShardingAttr>(
operandShardings, resultsShardings)) {
if (!sharding) {
if (!sharding || sharding.getMeshOrRef() == meshOrRef) {
continue;
}
MeshAttr otherMesh = sharding.getMesh(symbolTable);
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