mirror of https://github.com/alibaba/MNN.git
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//
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// VulkanLSTM.hpp
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// MNN
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//
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// Created by MNN on 2019/01/31.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifndef VulkanLSTM_hpp
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#define VulkanLSTM_hpp
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#include "backend/vulkan/execution/VulkanBasicExecution.hpp"
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namespace MNN {
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class LSTMChannel {
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public:
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LSTMChannel(const VulkanPipeline* vulkanLSTMPipeline, VulkanBackend* vkbackend, const int channel);
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~LSTMChannel();
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ErrorCode encodeImpl(std::shared_ptr<VulkanBuffer>& gates, std::shared_ptr<VulkanBuffer>& cells,
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std::shared_ptr<VulkanBuffer>& weightH, std::shared_ptr<VulkanBuffer>& bias,
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std::shared_ptr<VulkanBuffer>& out, const VulkanCommandPool::Buffer* cmdBuffer, const int ow);
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private:
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int mChannel;
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const VulkanPipeline* mVulkanLSTMPipeline;
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std::shared_ptr<VulkanPipeline::DescriptorSet> mDescriptorSet;
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std::shared_ptr<VulkanBuffer> mParamBuffer;
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};
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class VulkanLSTM : public VulkanBasicExecution {
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public:
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VulkanLSTM(const LSTM* lstm, Backend* bn);
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virtual ~VulkanLSTM();
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ErrorCode onEncode(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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const VulkanCommandPool::Buffer* cmdBuffer) override;
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private:
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ErrorCode _resize(const Tensor* input, const Tensor* output);
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const LSTM* mLSTM;
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VulkanBackend* mVKbackend;
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// gates
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const VulkanPipeline* mVulkanLSTMGatePipeline;
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std::shared_ptr<VulkanPipeline::DescriptorSet> mGateDescriptorSet;
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std::shared_ptr<VulkanBuffer> mGateParamBuffer;
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// nchw -> nc4hw4
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const VulkanPipeline* mVulkanLSTMSavePipeline;
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std::shared_ptr<VulkanPipeline::DescriptorSet> mSaveDescriptorSet;
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std::shared_ptr<VulkanBuffer> mSaveParamBuffer;
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// channel loop
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std::vector<std::shared_ptr<LSTMChannel>> mLSTMChannels;
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const VulkanPipeline* mVulkanLSTMPipeline;
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std::shared_ptr<VulkanBuffer> mWeightI;
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std::shared_ptr<VulkanBuffer> mWeightH;
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std::shared_ptr<VulkanBuffer> mBias;
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std::shared_ptr<VulkanBuffer> mGate;
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std::shared_ptr<VulkanBuffer> mCell;
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std::shared_ptr<VulkanBuffer> mOutputTemp;
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};
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} // namespace MNN
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#endif
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