mirror of https://github.com/alibaba/MNN.git
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
//
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// ShapeResize.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 "core/Macro.h"
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#include "core/SizeComputer.hpp"
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namespace MNN {
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// Size Computer
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class ResizeComputer : 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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MNN_ASSERT(1 == inputs.size());
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MNN_ASSERT(1 == outputs.size());
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// copy dims
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auto resize = op->main_as_Resize();
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auto &input = inputs[0]->buffer();
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auto &output = outputs[0]->buffer();
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TensorUtils::copyShape(inputs[0], outputs[0], true);
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// set dims
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output.dim[3].extent = input.dim[3].extent * resize->xScale();
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output.dim[2].extent = input.dim[2].extent * resize->yScale();
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output.type = inputs[0]->getType();
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return true;
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}
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virtual float onComputeFlops(const MNN::Op *op, const std::vector<Tensor *> &inputs,
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const std::vector<Tensor *> &outputs) const override {
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return (float)outputs[0]->elementSize() / 1024.0f / 1024.0f * 4;
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}
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};
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REGISTER_SHAPE(ResizeComputer, OpType_Resize);
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} // namespace MNN
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