mirror of https://github.com/alibaba/MNN.git
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//
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// ShapeTranspose.cpp
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// MNN
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//
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// Created by MNN on 2019/01/10.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "shape/SizeComputer.hpp"
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#include "core/Macro.h"
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#include "core/TensorUtils.hpp"
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namespace MNN {
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class TransposeComputer : public SizeComputer {
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virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs,
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const std::vector<Tensor*>& outputs) const override {
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const Tensor* input = inputs[0];
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Tensor* perm = inputs[1];
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const int dims = input->buffer().dimensions;
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if (perm->getType().code != halide_type_int || 32 != perm->getType().bits || dims != perm->buffer().dim[0].extent) {
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return false;
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}
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auto permutation = perm->host<int32_t>();
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outputs[0]->buffer().dimensions = dims;
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outputs[0]->buffer().type = input->getType();
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for (int i = 0; i < dims; ++i) {
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const int32_t d = permutation[i];
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outputs[0]->buffer().dim[i].extent = input->buffer().dim[d].extent;
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}
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TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
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return true;
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}
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};
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REGISTER_SHAPE_INPUTS(TransposeComputer, OpType_Transpose, {1});
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} // namespace MNN
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