Files
2026-07-13 13:33:03 +08:00

54 lines
2.0 KiB
C++

//
// MergeReluToBinaryOp.hpp
// MNNConverter
//
// Created by MNN on 2019/09/05.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "../PostTreatUtils.hpp"
using namespace MNN;
class MergeReluToBinaryOp : public PostConverter {
public:
virtual bool onExecute(std::unique_ptr<MNN::NetT>& net) const override {
// Merge Layer
std::vector<MNN::OpT*> readyToDelete;
for (auto iter = net->oplists.begin(); iter != net->oplists.end(); iter++) {
MNN::OpT& currentOp = *(iter->get());
if (currentOp.type != MNN::OpType_BinaryOp || currentOp.inputIndexes.size() != 2) {
continue;
}
DCHECK(currentOp.outputIndexes.size() == 1) << "Binary output ERROR!";
// merge Relu/Relu6 to Binary
std::vector<MNN::OpT*> nextOp = PostTreatUtils::_findOpByInputIndex(currentOp.outputIndexes[0], net.get());
while (1) {
if (nextOp.size() != 1) {
break;
}
const int nextOutputIndex = nextOp[0]->outputIndexes[0];
bool nextRelu = (nextOp[0]->type == MNN::OpType_ReLU && nextOp[0]->main.AsRelu()->slope == 0.0f);
if (PostTreatUtils::_isSingleInputOutput(nextOp[0]) && nextRelu) {
//LOG(INFO) << "Merge " << nextOp[0]->name.c_str()<< " into Binary: ";
// currentOp.name.c_str();
currentOp.main.AsBinaryOp()->activationType = 1;
currentOp.outputIndexes[0] = nextOp[0]->outputIndexes[0];
readyToDelete.push_back(nextOp[0]);
nextOp = PostTreatUtils::_findOpByInputIndex(nextOutputIndex, net.get());
} else {
break;
}
}
}
for (auto op : readyToDelete) {
PostTreatUtils::_removeOpInNet(op, net.get());
}
return true;
}
};
static PostConverterRegister<MergeReluToBinaryOp> __l("MergeReluToBinaryOp");