mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
synced 2026-01-14 06:27:45 +08:00
254 lines
7.4 KiB
C++
254 lines
7.4 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2022 NVIDIA CORPORATION &
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* AFFILIATES. All rights reserved. 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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#include "allgatherPlugin.h"
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#include "tensorrt_llm/runtime/utils/mpiUtils.h"
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#include <nccl.h>
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using namespace nvinfer1;
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using tensorrt_llm::plugins::AllgatherPluginCreator;
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using tensorrt_llm::plugins::AllgatherPlugin;
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static char const* ALLGATHER_PLUGIN_VERSION{"1"};
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static char const* ALLGATHER_PLUGIN_NAME{"AllGather"};
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PluginFieldCollection AllgatherPluginCreator::mFC{};
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std::vector<nvinfer1::PluginField> AllgatherPluginCreator::mPluginAttributes;
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AllgatherPlugin::AllgatherPlugin(std::set<int> group, nvinfer1::DataType type)
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: mGroup(std::move(group))
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, mType(type)
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{
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}
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// Parameterized constructor
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AllgatherPlugin::AllgatherPlugin(void const* data, size_t length)
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{
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char const *d = reinterpret_cast<char const*>(data), *a = d;
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read(d, mType);
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mGroup.clear();
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int groupItem = 0;
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while (d != a + length)
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{
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read(d, groupItem);
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mGroup.insert(groupItem);
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}
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TLLM_CHECK_WITH_INFO(d == a + length,
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"Expected length (%d) != real length (%d). This is often "
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"caused by using different TensorRT LLM version to build "
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"engine and run engine.",
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(int) length, (int) (d - a));
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}
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// IPluginV2DynamicExt Methods
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nvinfer1::IPluginV2DynamicExt* AllgatherPlugin::clone() const noexcept
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{
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auto* plugin = new AllgatherPlugin(*this);
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plugin->setPluginNamespace(mNamespace.c_str());
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return plugin;
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}
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nvinfer1::DimsExprs AllgatherPlugin::getOutputDimensions(
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int outputIndex, nvinfer1::DimsExprs const* inputs, int nbInputs, nvinfer1::IExprBuilder& exprBuilder) noexcept
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{
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auto ret = inputs[0];
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auto groupSize = exprBuilder.constant(mGroup.size());
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ret.d[0] = exprBuilder.operation(DimensionOperation::kPROD, *ret.d[0], *groupSize);
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return ret;
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}
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bool AllgatherPlugin::supportsFormatCombination(
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int pos, nvinfer1::PluginTensorDesc const* inOut, int nbInputs, int nbOutputs) noexcept
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{
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return (inOut[pos].type == mType) && (inOut[pos].format == TensorFormat::kLINEAR);
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}
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void AllgatherPlugin::configurePlugin(nvinfer1::DynamicPluginTensorDesc const* in, int nbInputs,
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nvinfer1::DynamicPluginTensorDesc const* out, int nbOutputs) noexcept
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{
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}
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size_t AllgatherPlugin::getWorkspaceSize(nvinfer1::PluginTensorDesc const* inputs, int nbInputs,
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nvinfer1::PluginTensorDesc const* outputs, int nbOutputs) const noexcept
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{
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return 0;
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}
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int AllgatherPlugin::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
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{
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if (isBuilding())
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{
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return 0;
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}
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size_t size = 1;
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for (int i = 0; i < inputDesc[0].dims.nbDims; ++i)
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{
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size *= inputDesc[0].dims.d[i];
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}
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TLLM_CHECK_WITH_INFO(mNcclComm.get() != nullptr, "mNcclComm should be initialized before used");
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NCCLCHECK(ncclAllGather(inputs[0], outputs[0], size, (*getDtypeMap())[inputDesc[0].type], *mNcclComm, stream));
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return 0;
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}
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// IPluginV2Ext Methods
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nvinfer1::DataType AllgatherPlugin::getOutputDataType(
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int index, nvinfer1::DataType const* inputTypes, int nbInputs) const noexcept
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{
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assert(index == 0);
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return inputTypes[0];
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}
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// IPluginV2 Methods
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char const* AllgatherPlugin::getPluginType() const noexcept
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{
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return ALLGATHER_PLUGIN_NAME;
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}
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char const* AllgatherPlugin::getPluginVersion() const noexcept
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{
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return ALLGATHER_PLUGIN_VERSION;
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}
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int AllgatherPlugin::getNbOutputs() const noexcept
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{
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return 1;
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}
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int AllgatherPlugin::initialize() noexcept
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{
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if (isBuilding())
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{
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return 0;
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}
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TLLM_LOG_TRACE("%s start for rank %d", __PRETTY_FUNCTION__, COMM_SESSION.getRank());
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mNcclComm = getComm(mGroup);
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TLLM_LOG_TRACE("%s stop for rank %d", __PRETTY_FUNCTION__, COMM_SESSION.getRank());
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return 0;
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}
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void AllgatherPlugin::terminate() noexcept {}
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size_t AllgatherPlugin::getSerializationSize() const noexcept
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{
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return sizeof(int) * mGroup.size() + sizeof(mType);
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}
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void AllgatherPlugin::serialize(void* buffer) const noexcept
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{
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char *d = static_cast<char*>(buffer), *a = d;
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write(d, mType);
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for (auto it = mGroup.begin(); it != mGroup.end(); ++it)
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{
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write(d, *it);
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}
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TLLM_CHECK(d == a + getSerializationSize());
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}
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void AllgatherPlugin::destroy() noexcept
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{
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// This gets called when the network containing plugin is destroyed
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delete this;
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}
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///////////////
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AllgatherPluginCreator::AllgatherPluginCreator()
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{
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// Fill PluginFieldCollection with PluginField arguments metadata
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mPluginAttributes.clear();
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mPluginAttributes.emplace_back(PluginField("group", nullptr, PluginFieldType::kINT32));
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mPluginAttributes.emplace_back(PluginField("type_id", nullptr, PluginFieldType::kINT32));
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mFC.nbFields = mPluginAttributes.size();
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mFC.fields = mPluginAttributes.data();
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}
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char const* AllgatherPluginCreator::getPluginName() const noexcept
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{
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return ALLGATHER_PLUGIN_NAME;
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}
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char const* AllgatherPluginCreator::getPluginVersion() const noexcept
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{
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return ALLGATHER_PLUGIN_VERSION;
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}
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PluginFieldCollection const* AllgatherPluginCreator::getFieldNames() noexcept
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{
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return &mFC;
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}
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IPluginV2* AllgatherPluginCreator::createPlugin(char const* name, PluginFieldCollection const* fc) noexcept
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{
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PluginField const* fields = fc->fields;
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std::set<int> group;
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nvinfer1::DataType type{};
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// Read configurations from each fields
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for (int i = 0; i < fc->nbFields; ++i)
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{
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char const* attrName = fields[i].name;
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if (!strcmp(attrName, "group"))
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{
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TLLM_CHECK(fields[i].type == PluginFieldType::kINT32);
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auto const* r = static_cast<int const*>(fields[i].data);
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for (int j = 0; j < fields[i].length; ++j)
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{
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group.insert(*r);
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++r;
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}
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}
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else if (!strcmp(attrName, "type_id"))
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{
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TLLM_CHECK(fields[i].type == PluginFieldType::kINT32);
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type = static_cast<nvinfer1::DataType>(*(static_cast<nvinfer1::DataType const*>(fields[i].data)));
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}
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}
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try
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{
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auto* obj = new AllgatherPlugin(group, type);
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obj->setPluginNamespace(mNamespace.c_str());
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return obj;
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}
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catch (std::exception const& e)
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{
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caughtError(e);
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}
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return nullptr;
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}
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IPluginV2* AllgatherPluginCreator::deserializePlugin(
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char const* name, void const* serialData, size_t serialLength) noexcept
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{
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// This object will be deleted when the network is destroyed, which will
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// call AllgatherPlugin::destroy()
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try
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{
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auto* obj = new AllgatherPlugin(serialData, serialLength);
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obj->setPluginNamespace(mNamespace.c_str());
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return obj;
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}
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catch (std::exception const& e)
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{
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caughtError(e);
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}
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return nullptr;
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}
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