mirror of
https://github.com/NVIDIA/TensorRT-LLM.git
synced 2026-01-14 06:27:45 +08:00
286 lines
8.0 KiB
C++
286 lines
8.0 KiB
C++
/*
|
|
* SPDX-FileCopyrightText: Copyright (c) 1993-2022 NVIDIA CORPORATION &
|
|
* AFFILIATES. All rights reserved. SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#include "allgatherPlugin.h"
|
|
|
|
using namespace nvinfer1;
|
|
using tensorrt_llm::plugins::AllgatherPluginCreator;
|
|
using tensorrt_llm::plugins::AllgatherPlugin;
|
|
|
|
static const char* ALLGATHER_PLUGIN_VERSION{"1"};
|
|
static const char* ALLGATHER_PLUGIN_NAME{"AllGather"};
|
|
PluginFieldCollection AllgatherPluginCreator::mFC{};
|
|
std::vector<nvinfer1::PluginField> AllgatherPluginCreator::mPluginAttributes;
|
|
|
|
AllgatherPlugin::AllgatherPlugin(std::set<int> group, nvinfer1::DataType type)
|
|
: mGroup(group)
|
|
, mType(type)
|
|
{
|
|
}
|
|
|
|
// Parameterized constructor
|
|
AllgatherPlugin::AllgatherPlugin(const void* data, size_t length)
|
|
{
|
|
const char *d = reinterpret_cast<const char*>(data), *a = d;
|
|
read(d, mType);
|
|
mGroup.clear();
|
|
int groupItem = 0;
|
|
while (d != a + length)
|
|
{
|
|
read(d, groupItem);
|
|
mGroup.insert(groupItem);
|
|
}
|
|
TLLM_CHECK(d == a + length);
|
|
}
|
|
|
|
// IPluginV2DynamicExt Methods
|
|
nvinfer1::IPluginV2DynamicExt* AllgatherPlugin::clone() const noexcept
|
|
{
|
|
auto* plugin = new AllgatherPlugin(*this);
|
|
plugin->setPluginNamespace(mNamespace.c_str());
|
|
return plugin;
|
|
}
|
|
|
|
nvinfer1::DimsExprs AllgatherPlugin::getOutputDimensions(
|
|
int outputIndex, const nvinfer1::DimsExprs* inputs, int nbInputs, nvinfer1::IExprBuilder& exprBuilder) noexcept
|
|
{
|
|
auto ret = inputs[0];
|
|
auto groupSize = exprBuilder.constant(mGroup.size());
|
|
ret.d[0] = exprBuilder.operation(DimensionOperation::kPROD, *ret.d[0], *groupSize);
|
|
return ret;
|
|
}
|
|
|
|
bool AllgatherPlugin::supportsFormatCombination(
|
|
int pos, const nvinfer1::PluginTensorDesc* inOut, int nbInputs, int nbOutputs) noexcept
|
|
{
|
|
|
|
return (inOut[pos].type == mType) && (inOut[pos].format == TensorFormat::kLINEAR);
|
|
}
|
|
|
|
void AllgatherPlugin::configurePlugin(const nvinfer1::DynamicPluginTensorDesc* in, int nbInputs,
|
|
const nvinfer1::DynamicPluginTensorDesc* out, int nbOutputs) noexcept
|
|
{
|
|
}
|
|
|
|
size_t AllgatherPlugin::getWorkspaceSize(const nvinfer1::PluginTensorDesc* inputs, int nbInputs,
|
|
const nvinfer1::PluginTensorDesc* outputs, int nbOutputs) const noexcept
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int AllgatherPlugin::enqueue(const nvinfer1::PluginTensorDesc* inputDesc, const nvinfer1::PluginTensorDesc* outputDesc,
|
|
const void* const* inputs, void* const* outputs, void* workspace, cudaStream_t stream) noexcept
|
|
{
|
|
if (isBuilding())
|
|
{
|
|
return 0;
|
|
}
|
|
int size = 1;
|
|
for (int i = 0; i < inputDesc[0].dims.nbDims; ++i)
|
|
{
|
|
size *= inputDesc[0].dims.d[i];
|
|
}
|
|
|
|
NCCLCHECK(ncclAllGather(
|
|
inputs[0], outputs[0], size, (*getDtypeMap())[inputDesc[0].type], (*getCommMap())[mGroup], stream));
|
|
|
|
return 0;
|
|
}
|
|
|
|
// IPluginV2Ext Methods
|
|
nvinfer1::DataType AllgatherPlugin::getOutputDataType(
|
|
int index, const nvinfer1::DataType* inputTypes, int nbInputs) const noexcept
|
|
{
|
|
assert(index == 0);
|
|
return inputTypes[0];
|
|
}
|
|
|
|
// IPluginV2 Methods
|
|
|
|
const char* AllgatherPlugin::getPluginType() const noexcept
|
|
{
|
|
return ALLGATHER_PLUGIN_NAME;
|
|
}
|
|
|
|
const char* AllgatherPlugin::getPluginVersion() const noexcept
|
|
{
|
|
return ALLGATHER_PLUGIN_VERSION;
|
|
}
|
|
|
|
int AllgatherPlugin::getNbOutputs() const noexcept
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int AllgatherPlugin::initialize() noexcept
|
|
{
|
|
auto* commMap = getCommMap();
|
|
// [] operator inserts T() if it does not exist
|
|
if (isBuilding() || (*commMap)[mGroup] != nullptr)
|
|
{
|
|
return 0;
|
|
}
|
|
int myRank, nRanks;
|
|
MPICHECK(MPI_Comm_rank(MPI_COMM_WORLD, &myRank));
|
|
MPICHECK(MPI_Comm_size(MPI_COMM_WORLD, &nRanks));
|
|
|
|
int groupRank = 0;
|
|
for (auto it = mGroup.begin(); it != mGroup.end(); ++it)
|
|
{
|
|
if (*it == myRank)
|
|
{
|
|
break;
|
|
}
|
|
++groupRank;
|
|
}
|
|
|
|
ncclUniqueId id;
|
|
if (myRank == *mGroup.begin())
|
|
{
|
|
ncclGetUniqueId(&id);
|
|
for (auto it = std::next(std::begin(mGroup), 1); it != mGroup.end(); ++it)
|
|
{
|
|
MPICHECK(MPI_Send(&id, sizeof(id), MPI_BYTE, *it, 0, MPI_COMM_WORLD));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
MPI_Status status;
|
|
MPICHECK(MPI_Recv(&id, sizeof(id), MPI_BYTE, *mGroup.begin(), 0, MPI_COMM_WORLD, &status));
|
|
}
|
|
(*commMap)[mGroup] == nullptr;
|
|
NCCLCHECK(ncclCommInitRank(&((*commMap)[mGroup]), mGroup.size(), id, groupRank));
|
|
return 0;
|
|
}
|
|
|
|
void AllgatherPlugin::terminate() noexcept
|
|
{
|
|
auto* commMap = getCommMap();
|
|
// [] operator inserts T() if it does not exist
|
|
if (isBuilding() || (*commMap)[mGroup] == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
NCCLCHECK(ncclCommDestroy((*commMap)[mGroup]));
|
|
(*commMap)[mGroup] = nullptr;
|
|
}
|
|
|
|
size_t AllgatherPlugin::getSerializationSize() const noexcept
|
|
{
|
|
return sizeof(int) * mGroup.size() + sizeof(mType);
|
|
}
|
|
|
|
void AllgatherPlugin::serialize(void* buffer) const noexcept
|
|
{
|
|
char *d = static_cast<char*>(buffer), *a = d;
|
|
write(d, mType);
|
|
for (auto it = mGroup.begin(); it != mGroup.end(); ++it)
|
|
{
|
|
write(d, *it);
|
|
}
|
|
assert(d == a + getSerializationSize());
|
|
}
|
|
|
|
void AllgatherPlugin::destroy() noexcept
|
|
{
|
|
// This gets called when the network containing plugin is destroyed
|
|
delete this;
|
|
}
|
|
|
|
///////////////
|
|
|
|
AllgatherPluginCreator::AllgatherPluginCreator()
|
|
{
|
|
// Fill PluginFieldCollection with PluginField arguments metadata
|
|
mPluginAttributes.clear();
|
|
mPluginAttributes.emplace_back(PluginField("group", nullptr, PluginFieldType::kINT32, 1));
|
|
mPluginAttributes.emplace_back(PluginField("type_id", nullptr, PluginFieldType::kINT32, 1));
|
|
mFC.nbFields = mPluginAttributes.size();
|
|
mFC.fields = mPluginAttributes.data();
|
|
}
|
|
|
|
const char* AllgatherPluginCreator::getPluginName() const noexcept
|
|
{
|
|
return ALLGATHER_PLUGIN_NAME;
|
|
}
|
|
|
|
const char* AllgatherPluginCreator::getPluginVersion() const noexcept
|
|
{
|
|
return ALLGATHER_PLUGIN_VERSION;
|
|
}
|
|
|
|
const PluginFieldCollection* AllgatherPluginCreator::getFieldNames() noexcept
|
|
{
|
|
return &mFC;
|
|
}
|
|
|
|
IPluginV2* AllgatherPluginCreator::createPlugin(const char* name, const PluginFieldCollection* fc) noexcept
|
|
{
|
|
const PluginField* fields = fc->fields;
|
|
std::set<int> group;
|
|
nvinfer1::DataType type;
|
|
// Read configurations from each fields
|
|
for (int i = 0; i < fc->nbFields; ++i)
|
|
{
|
|
const char* attrName = fields[i].name;
|
|
if (!strcmp(attrName, "group"))
|
|
{
|
|
TLLM_CHECK(fields[i].type == PluginFieldType::kINT32);
|
|
const auto* r = static_cast<const int*>(fields[i].data);
|
|
for (int j = 0; j < fields[i].length; ++j)
|
|
{
|
|
group.insert(*r);
|
|
++r;
|
|
}
|
|
}
|
|
else if (!strcmp(attrName, "type_id"))
|
|
{
|
|
TLLM_CHECK(fields[i].type == PluginFieldType::kINT32);
|
|
type = static_cast<nvinfer1::DataType>(*(static_cast<const nvinfer1::DataType*>(fields[i].data)));
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
auto* obj = new AllgatherPlugin(group, type);
|
|
obj->setPluginNamespace(mNamespace.c_str());
|
|
return obj;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
caughtError(e);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
IPluginV2* AllgatherPluginCreator::deserializePlugin(
|
|
const char* name, const void* serialData, size_t serialLength) noexcept
|
|
{
|
|
// This object will be deleted when the network is destroyed, which will
|
|
// call AllgatherPlugin::destroy()
|
|
try
|
|
{
|
|
auto* obj = new AllgatherPlugin(serialData, serialLength);
|
|
obj->setPluginNamespace(mNamespace.c_str());
|
|
return obj;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
caughtError(e);
|
|
}
|
|
return nullptr;
|
|
}
|