mirror of https://github.com/alibaba/MNN.git
85 lines
3.8 KiB
C++
85 lines
3.8 KiB
C++
//
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// GeometryReshape.cpp
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// MNN
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//
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// Created by MNN on 2020/04/03.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "ConvertUtils.hpp"
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#include "geometry/GeometryComputer.hpp"
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namespace MNN {
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class GeometryReshape : public GeometryComputer {
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public:
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virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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Context& context, CommandBuffer& res) const override {
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auto input = inputs[0];
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auto output = outputs[0];
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auto inputDes = TensorUtils::getDescribe(input);
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auto outputDes = TensorUtils::getDescribe(output);
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if (TensorUtils::getDescribe(input)->dimensionFormat == MNN_DATA_FORMAT_NC4HW4) {
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auto midFormat = op->main_as_Reshape()->dimType();
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if (MNN_DATA_FORMAT_NHWC == midFormat) {
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// Convert to NHWC, reshape, and then convert to NC4HW4
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std::shared_ptr<Tensor> nhwc(new Tensor);
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TensorUtils::setupTensorInfo(input, nhwc.get(), MNN_DATA_FORMAT_NHWC);
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ConvertUtils::compute(input, nhwc.get(), res);
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res.extras.emplace_back(nhwc);
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std::shared_ptr<Tensor> nhwc2(new Tensor);
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TensorUtils::setupTensorInfo(output, nhwc2.get(), MNN_DATA_FORMAT_NHWC);
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res.extras.emplace_back(nhwc2);
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{
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auto inputSlice = TensorUtils::getDescribe(nhwc.get())->regions;
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if (inputSlice.empty()) {
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// Create Full Refence
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Tensor::InsideDescribe::Region totalSlice = TensorUtils::makeFullSlice(nhwc.get());
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inputSlice.emplace_back(std::move(totalSlice));
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}
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TensorUtils::getDescribe(nhwc2.get())->regions = std::move(inputSlice);
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TensorUtils::getDescribe(nhwc2.get())->memoryType = Tensor::InsideDescribe::MEMORY_VIRTUAL;
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}
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ConvertUtils::compute(nhwc2.get(), output, res);
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return true;
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}
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}
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auto inputSlice = inputDes->regions;
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if (inputSlice.empty()) {
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// Create Full Refence
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Tensor::InsideDescribe::Region totalSlice = TensorUtils::makeFullSlice(input);
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inputSlice.emplace_back(std::move(totalSlice));
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}
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outputDes->regions = std::move(inputSlice);
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outputDes->memoryType = Tensor::InsideDescribe::MEMORY_VIRTUAL;
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return true;
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}
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};
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class SingleGeometryComputer : public GeometryComputer {
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public:
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virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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Context& context, CommandBuffer& res) const override {
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auto input = inputs[0];
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auto output = outputs[0];
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auto inputDes = TensorUtils::getDescribe(input);
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auto outputDes = TensorUtils::getDescribe(output);
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auto inputSlice = inputDes->regions;
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if (inputSlice.empty()) {
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// Create Full Refence
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Tensor::InsideDescribe::Region totalSlice = TensorUtils::makeFullSlice(input);
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inputSlice.emplace_back(std::move(totalSlice));
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}
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outputDes->regions = std::move(inputSlice);
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outputDes->memoryType = Tensor::InsideDescribe::MEMORY_VIRTUAL;
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return true;
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}
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};
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static void _create() {
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std::shared_ptr<GeometryComputer> comp(new GeometryReshape);
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GeometryComputer::registerGeometryComputer(comp, {OpType_Reshape});
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std::shared_ptr<GeometryComputer> _comp(new SingleGeometryComputer);
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GeometryComputer::registerGeometryComputer(_comp, {OpType_Squeeze, OpType_Unsqueeze, OpType_ExpandDims, OpType_Flatten, OpType_QuantizedReshape});
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}
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REGISTER_GEOMETRY(GeometryReshape, _create);
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}; // namespace MNN
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