267 lines
10 KiB
C++
267 lines
10 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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// Need 10.1 for cublasGemmStridedBatchedEx
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#include <cuda.h>
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#if CUDA_VERSION >= 10010
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#ifndef TRT_QKV_TO_CONTEXT_PLUGIN_H
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#define TRT_QKV_TO_CONTEXT_PLUGIN_H
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#include "NvInferPlugin.h"
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#include "common/cublasWrapper.h"
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#include "mhaRunner.h"
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#include "zeroPadding2d.h"
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#include <math.h>
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#include <string>
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#include <vector>
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namespace nvinfer1
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{
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namespace plugin
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{
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namespace bert
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{
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std::pair<int32_t, int32_t> tuneBatchedGemm(
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int32_t const B, int32_t const S, int32_t const numHeads, int32_t const headSize);
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template <typename T>
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int32_t computeScaledSoftmax(cudaStream_t stream, int32_t const ld, int32_t const B, int32_t const N,
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float const rsqrtHeadSize, T const* input, T* output);
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template <typename T>
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int32_t computeMaskedScaledSoftmax(cudaStream_t stream, int32_t const ld, int32_t const B, int32_t const N,
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float const rsqrtHeadSize, int32_t const* maskIdx, T const* input, T* output);
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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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class QKVToContextPluginDynamicLegacy : public nvinfer1::IPluginV2DynamicExt
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{
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public:
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QKVToContextPluginDynamicLegacy(std::string const name, nvinfer1::DataType const type, int32_t const hiddenSize,
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int32_t const numHeads, float const dqProbs, bool hasImask = false);
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QKVToContextPluginDynamicLegacy(std::string const name, void const* data, size_t length);
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// It doesn't make sense to make QKVToContextPluginDynamicLegacy without arguments, so we
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// delete default constructor.
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QKVToContextPluginDynamicLegacy() = delete;
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// IPluginV2DynamicExt Methods
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nvinfer1::IPluginV2DynamicExt* clone() const noexcept override;
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nvinfer1::DimsExprs getOutputDimensions(int32_t outputIndex, nvinfer1::DimsExprs const* inputs, int32_t nbInputs,
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nvinfer1::IExprBuilder& exprBuilder) 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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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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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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// IPluginV2Ext Methods
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nvinfer1::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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// IPluginV2 Methods
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char const* getPluginType() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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int32_t getNbOutputs() const 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 getSerializationSize() const noexcept override;
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void serialize(void* buffer) const noexcept override;
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void destroy() 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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protected:
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void createMHARunner();
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private:
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std::string const mLayerName;
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std::string mNamespace;
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// used for sequence len 128, 384, precision int8
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// used for sequence len 64, 96, 128, 384, precision fp16
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std::unique_ptr<MHARunner> fusedDispatcher;
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// used for other sequence, precision fp32 and fp16
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std::unique_ptr<MHARunner> unfusedDispatcher;
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int32_t mS{};
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int32_t mB{};
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int32_t mSM{};
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int32_t mHeadSize{};
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int32_t mHiddenSize;
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int32_t mNumHeads{};
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bool mHasImask{};
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nvinfer1::DataType mType{};
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float mDqProbs{};
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nvinfer1::pluginInternal::cublasHandle_t mCublas{};
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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::CublasWrapper> mCublasWrapper;
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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 QKVToContextPluginDynamicLegacyCreator : public nvinfer1::IPluginCreator
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{
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public:
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QKVToContextPluginDynamicLegacyCreator();
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char const* getPluginName() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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nvinfer1::PluginFieldCollection const* getFieldNames() noexcept override;
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nvinfer1::IPluginV2* createPlugin(char const* name, nvinfer1::PluginFieldCollection const* fc) noexcept override;
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nvinfer1::IPluginV2* 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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nvinfer1::PluginFieldCollection mFC;
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std::vector<nvinfer1::PluginField> mPluginAttributes;
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std::string mNamespace;
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};
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class QKVToContextVarSeqlenPluginLegacy : public nvinfer1::IPluginV2DynamicExt
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{
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public:
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QKVToContextVarSeqlenPluginLegacy(std::string const name, nvinfer1::DataType const type, int32_t const hiddenSize,
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int32_t const numHeads, float const dqProbs, bool hasImask = false, bool varSeqlen = false,
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bool const useInt8ScaleMax = true);
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QKVToContextVarSeqlenPluginLegacy(std::string const name, void const* data, size_t length);
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// It doesn't make sense to make QKVToContextVarSeqlenPluginLegacy without arguments, so we
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// delete default constructor.
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QKVToContextVarSeqlenPluginLegacy() = delete;
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// IPluginV2DynamicExt Methods
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nvinfer1::IPluginV2DynamicExt* clone() const noexcept override;
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nvinfer1::DimsExprs getOutputDimensions(int32_t outputIndex, nvinfer1::DimsExprs const* inputs, int32_t nbInputs,
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nvinfer1::IExprBuilder& exprBuilder) 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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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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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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// IPluginV2Ext Methods
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nvinfer1::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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// IPluginV2 Methods
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char const* getPluginType() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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int32_t getNbOutputs() const 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 getSerializationSize() const noexcept override;
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void serialize(void* buffer) const noexcept override;
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void destroy() 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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protected:
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void createMHARunner();
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private:
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std::string const mLayerName;
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std::string mNamespace;
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// Used for kernels with header size equals to 32.
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std::unique_ptr<MHARunner> mDispatcher;
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std::unique_ptr<QkvPaddingRunner> mPatcher;
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int32_t mS{};
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int32_t mB{};
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int32_t mSM{};
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int32_t mHeadSize{};
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int32_t mHiddenSize{};
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int32_t mNumHeads{};
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bool mHasImask{};
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nvinfer1::DataType mType{};
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float mDqProbs{};
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int32_t mHdim{};
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bool mUseVarSeqlen{};
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bool mUseInt8ScaleMax{true};
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nvinfer1::pluginInternal::cublasHandle_t mCublas{};
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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::CublasWrapper> mCublasWrapper;
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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 QKVToContextVarSeqlenPluginLegacyCreator : public nvinfer1::IPluginCreator
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{
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public:
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QKVToContextVarSeqlenPluginLegacyCreator();
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char const* getPluginName() const noexcept override;
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char const* getPluginVersion() const noexcept override;
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nvinfer1::PluginFieldCollection const* getFieldNames() noexcept override;
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nvinfer1::IPluginV2* createPlugin(char const* name, nvinfer1::PluginFieldCollection const* fc) noexcept override;
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nvinfer1::IPluginV2* 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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nvinfer1::PluginFieldCollection mFC;
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std::vector<nvinfer1::PluginField> mPluginAttributes;
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std::string mNamespace;
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};
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} // namespace bert
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} // namespace plugin
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} // namespace nvinfer1
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#endif // TRT_QKV_TO_CONTEXT_PLUGIN_H
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#endif // CUDA_VERSION >= 10010
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