wehub-resource-sync
151 lines
5.3 KiB
C++
151 lines
5.3 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TRT_GROUP_NORM_PLUGIN_H
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#define TRT_GROUP_NORM_PLUGIN_H
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#include "common/plugin.h"
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#include <string>
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#include <vector>
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// One of the preferred ways of making TensorRT to be able to see
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// our custom layer requires extending IPluginV2 and IPluginCreator classes.
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// For requirements for overriden functions, check TensorRT API docs.
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namespace nvinfer1
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{
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namespace plugin
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{
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template <typename T>
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cudaError_t scaleShiftChannelsInplace(T* inOut, int32_t const B, int32_t const C, int32_t const channelVolume,
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float const* beta, float const* gamma, cudaStream_t stream);
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class GroupNormalizationPlugin final : public nvinfer1::IPluginV2DynamicExt
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{
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public:
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GroupNormalizationPlugin(float epsilon, int32_t const nbGroups);
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GroupNormalizationPlugin(void const* data, size_t length);
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// It doesn't make sense to make GroupNormalizationPlugin without arguments, so we
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// delete default constructor.
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GroupNormalizationPlugin() = delete;
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int32_t getNbOutputs() const noexcept override;
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// DynamicExt plugins returns DimsExprs class instead of Dims
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DimsExprs getOutputDimensions(int32_t index, nvinfer1::DimsExprs const* inputs, int32_t nbInputDims,
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nvinfer1::IExprBuilder& exprBuilder) noexcept override;
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int32_t initialize() noexcept override;
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void terminate() noexcept override;
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size_t getWorkspaceSize(nvinfer1::PluginTensorDesc const* inputs, int32_t nbInputs,
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nvinfer1::PluginTensorDesc const* outputs, int32_t nbOutputs) const noexcept override;
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int32_t enqueue(nvinfer1::PluginTensorDesc const* inputDesc, nvinfer1::PluginTensorDesc const* outputDesc,
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void const* const* inputs, void* const* outputs, void* workspace, cudaStream_t stream) noexcept override;
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size_t getSerializationSize() const noexcept override;
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void serialize(void* buffer) const noexcept override;
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bool supportsFormatCombination(
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int32_t pos, nvinfer1::PluginTensorDesc const* inOut, int32_t nbInputs, int32_t nbOutputs) noexcept override;
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char const* getPluginType() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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nvinfer1::IPluginV2DynamicExt* clone() const noexcept override;
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void destroy() noexcept override;
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DataType getOutputDataType(
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int32_t index, nvinfer1::DataType const* inputTypes, int32_t nbInputs) const noexcept override;
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void attachToContext(
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cudnnContext* cudnn, cublasContext* cublas, nvinfer1::IGpuAllocator* allocator) noexcept override;
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void detachFromContext() noexcept override;
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void setPluginNamespace(char const* pluginNamespace) noexcept override;
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char const* getPluginNamespace() const noexcept override;
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void configurePlugin(nvinfer1::DynamicPluginTensorDesc const* in, int32_t nbInputs,
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nvinfer1::DynamicPluginTensorDesc const* out, int32_t nbOutputs) noexcept override;
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private:
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std::string mNamespace;
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float mEpsilon;
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int32_t mNbGroups;
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int32_t mChannelVolume;
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nvinfer1::pluginInternal::cudnnHandle_t mCudnnHandle{};
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// the wrapper pointer is shared among all plugins attached to the same context.
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std::shared_ptr<nvinfer1::pluginInternal::CudnnWrapper> mCudnnWrapper;
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// Describes input and output.
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nvinfer1::pluginInternal::cudnnTensorDescriptor_t mTensorDesc{};
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nvinfer1::pluginInternal::cudnnTensorDescriptor_t mBNTensorDesc{};
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// These are buffers initialized to 1 and 0 respectively
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std::shared_ptr<CudaBind<float>> mBnScales{};
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std::shared_ptr<CudaBind<float>> mBnBias{};
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size_t mNbScaleBias{};
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using IPluginV2::getOutputDimensions;
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using IPluginV2::getWorkspaceSize;
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using IPluginV2::enqueue;
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using IPluginV2Ext::configurePlugin;
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};
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class GroupNormalizationPluginCreator : public IPluginCreator
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{
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public:
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GroupNormalizationPluginCreator();
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~GroupNormalizationPluginCreator() override = default;
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char const* getPluginName() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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PluginFieldCollection const* getFieldNames() noexcept override;
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IPluginV2DynamicExt* createPlugin(char const* name, PluginFieldCollection const* fc) noexcept override;
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IPluginV2DynamicExt* deserializePlugin(
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char const* name, void const* serialData, size_t serialLength) noexcept override;
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void setPluginNamespace(char const* pluginNamespace) noexcept override;
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char const* getPluginNamespace() const noexcept override;
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private:
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PluginFieldCollection mFC;
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std::vector<PluginField> mPluginAttributes;
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std::string mNamespace;
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};
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} // namespace plugin
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} // namespace nvinfer1
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#endif // TRT_GROUP_NORM_PLUGIN_H
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