version_converter/adapters/gemm_6_7.h

0001 // Copyright (c) ONNX Project Contributors
0002
0003 /*
0004  * SPDX-License-Identifier: Apache-2.0
0005  */
0006
0007 // Adapter for Gemm in default domain from version 6 to 7
0008
0009 #pragma once
0010
0011 #include <memory>
0012 #include <vector>
0013
0014 #include "onnx/version_converter/adapters/adapter.h"
0015
0016 namespace ONNX_NAMESPACE {
0017 namespace version_conversion {
0018
0019 class Gemm_6_7 final : public Adapter {
0020  public:
0021   explicit Gemm_6_7() : Adapter("Gemm", OpSetID(6), OpSetID(7)) {}
0022
0023   void adapt_gemm_6_7(std::shared_ptr<Graph>, Node* node) const {
0024     const ArrayRef<Value*>& inputs = node->inputs();
0025     assertInputsAvailable(inputs, name().c_str(), 3);
0026     const auto& A_shape = inputs[0]->sizes();
0027     const auto& B_shape = inputs[1]->sizes();
0028     // Determine if C is broadcastable
0029     const auto& C_shape = inputs[2]->sizes();
0030     // Create (M, N) to input to numpy_unibroadcastable
0031     std::vector<Dimension> MN;
0032     if (node->hasAttribute(ktransA) && node->i(ktransA) == 1) {
0033       MN.emplace_back(A_shape[1]);
0034     } else {
0035       MN.emplace_back(A_shape[0]);
0036     }
0037     if (node->hasAttribute(ktransB) && node->i(ktransB) == 1) {
0038       MN.emplace_back(B_shape[0]);
0039     } else {
0040       MN.emplace_back(B_shape[1]);
0041     }
0042     ONNX_ASSERTM(
0043         check_numpy_unibroadcastable_and_require_broadcast(MN, C_shape) != -1,
0044         "Gemm being converted from 6 to 7 does not have "
0045         "broadcastable inputs.");
0046     if (node->hasAttribute(kbroadcast))
0047       node->removeAttribute(kbroadcast);
0048   }
0049
0050   Node* adapt(std::shared_ptr<Graph> graph, Node* node) const override {
0051     adapt_gemm_6_7(graph, node);
0052     return node;
0053   }
0054 };
0055
0056 } // namespace version_conversion
0057 } // namespace ONNX_NAMESPACE