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[onert] Load SignatureDef map #15941

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Merged
merged 2 commits into from
Aug 27, 2025
Merged

[onert] Load SignatureDef map #15941

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[onert] Load SignatureDef map
hseok-oh Aug 25, 2025
25be5e4
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hseok-oh Aug 26, 2025
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11 changes: 11 additions & 0 deletions runtime/onert/core/include/ir/Model.h
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Original file line number Diff line number Diff line change
Expand Up @@ -192,10 +192,21 @@ class Model
return data;
}

void addSignatureMap(const ir::SubgraphIndex &index, const std::string &name)
{
_signature_map[index] = name;
}

const std::unordered_map<ir::SubgraphIndex, std::string> &signatureMap() const
{
return _signature_map;
}

private:
// TODO: Apply Heterogeneous lookup for unordered containers (transparent hashing) since C++20
// to use `std::string_view` with lookup functions in unordered containers
std::unordered_map<std::string, std::unique_ptr<const ir::Data>> _metadatas;
std::unordered_map<ir::SubgraphIndex, std::string> _signature_map;
};
} // namespace onert::ir

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18 changes: 18 additions & 0 deletions runtime/onert/core/src/loader/BaseLoader.h
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Expand Up @@ -1716,6 +1716,24 @@ template <typename LoaderDomain> void BaseLoader<LoaderDomain>::loadModel()
}
}

// Load signature map
auto const signature_table = _domain_model->signature_defs();
if (signature_table != nullptr)
{
for (uint32_t i = 0; i < signature_table->size(); ++i)
{
const auto signature = signature_table->Get(i);
if (signature == nullptr)
continue;
const auto signature_key = signature->signature_key();
if (signature_key == nullptr)
continue; // signature should have key
const auto subgraph_index = static_cast<uint16_t>(signature->subgraph_index());

model->addSignatureMap(ir::SubgraphIndex{subgraph_index}, signature_key->str());
}
}

// const auto *description = _model->description();
// Load subgraphs and map operations on subgraph
const auto subgraphs = _domain_model->subgraphs();
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