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

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C++

//
// ReduceOnnx.cpp
// MNNConverter
//
// Created by MNN on 2019/07/23.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "onnxOpConverter.hpp"
DECLARE_OP_CONVERTER(ReduceOnnx);
MNN::OpType ReduceOnnx::opType() {
return MNN::OpType_Reduction;
}
MNN::OpParameter ReduceOnnx::type() {
return MNN::OpParameter_ReductionParam;
}
void ReduceOnnx::run(MNN::OpT *dstOp, const onnx::NodeProto *onnxNode,
OnnxScope* scope) {
auto param = new MNN::ReductionParamT;
std::vector<int> axes;
bool keepdims = true;
const auto attrSize = onnxNode->attribute_size();
for (int i = 0; i < attrSize; ++i) {
const auto &attributeProto = onnxNode->attribute(i);
const auto &attributeName = attributeProto.name();
if (attributeName == "axes") {
DCHECK(attributeProto.type() == ::onnx::AttributeProto_AttributeType_INTS) << "Node Attribute ERROR";
const int size = attributeProto.ints_size();
for (int k = 0; k < size; ++k) {
axes.push_back(attributeProto.ints(k));
}
} else if (attributeName == "keepdims") {
DCHECK(attributeProto.type() == ::onnx::AttributeProto_AttributeType_INT) << "Node Attribute ERROR";
keepdims = static_cast<bool>(attributeProto.i());
}
}
auto type = onnxNode->op_type();
if (type == "ReduceMean") {
param->operation = MNN::ReductionType_MEAN;
} else if (type == "ReduceMax") {
param->operation = MNN::ReductionType_MAXIMUM;
} else if (type == "ReduceMin") {
param->operation = MNN::ReductionType_MINIMUM;
} else if (type == "ReduceProd") {
param->operation = MNN::ReductionType_PROD;
} else if (type == "ReduceSum") {
param->operation = MNN::ReductionType_SUM;
} else {
DLOG(ERROR) << "TODO ==> " << type;
}
param->dType = MNN::DataType_DT_FLOAT;
param->dim = axes;
param->keepDims = keepdims;
dstOp->main.value = param;
}
REGISTER_CONVERTER(ReduceOnnx, ReduceMean);
REGISTER_CONVERTER(ReduceOnnx, ReduceMax);
REGISTER_CONVERTER(ReduceOnnx, ReduceMin);
REGISTER_CONVERTER(ReduceOnnx, ReduceProd);
REGISTER_CONVERTER(ReduceOnnx, ReduceSum);