forked from jiuyuan/InfiniTensor
166 lines
7.0 KiB
CMake
166 lines
7.0 KiB
CMake
# Copyright (c) 2021-2022, NVIDIA CORPORATION. All rights reserved.
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#
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# From PyTorch:
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#
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# Copyright (c) 2016- Facebook, Inc (Adam Paszke)
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# Copyright (c) 2014- Facebook, Inc (Soumith Chintala)
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# Copyright (c) 2011-2014 Idiap Research Institute (Ronan Collobert)
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# Copyright (c) 2012-2014 Deepmind Technologies (Koray Kavukcuoglu)
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# Copyright (c) 2011-2012 NEC Laboratories America (Koray Kavukcuoglu)
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# Copyright (c) 2011-2013 NYU (Clement Farabet)
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# Copyright (c) 2006-2010 NEC Laboratories America (Ronan Collobert, Leon Bottou, Iain Melvin, Jason Weston)
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# Copyright (c) 2006 Idiap Research Institute (Samy Bengio)
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# Copyright (c) 2001-2004 Idiap Research Institute (Ronan Collobert, Samy Bengio, Johnny Mariethoz)
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#
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# From Caffe2:
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#
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# Copyright (c) 2016-present, Facebook Inc. All rights reserved.
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#
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# All contributions by Facebook:
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# Copyright (c) 2016 Facebook Inc.
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#
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# All contributions by Google:
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# Copyright (c) 2015 Google Inc.
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# All rights reserved.
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#
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# All contributions by Yangqing Jia:
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# Copyright (c) 2015 Yangqing Jia
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# All rights reserved.
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#
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# All contributions by Kakao Brain:
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# Copyright 2019-2020 Kakao Brain
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#
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# All contributions from Caffe:
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# Copyright(c) 2013, 2014, 2015, the respective contributors
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# All rights reserved.
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#
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# All other contributions:
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# Copyright(c) 2015, 2016 the respective contributors
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# All rights reserved.
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#
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# Caffe2 uses a copyright model similar to Caffe: each contributor holds
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# copyright over their contributions to Caffe2. The project versioning records
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# all such contribution and copyright details. If a contributor wants to further
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# mark their specific copyright on a particular contribution, they should
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# indicate their copyright solely in the commit message of the change when it is
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# committed.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the names of Facebook, Deepmind Technologies, NYU, NEC Laboratories America
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# and IDIAP Research Institute nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# Find the nccl libraries
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#
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# The following variables are optionally searched for defaults
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# NCCL_ROOT: Base directory where all NCCL components are foundHong Xu, 1 year ago: • Let CMake handle NCCL detection instead of ou…
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# NCCL_INCLUDE_DIR: Directory where NCCL header is foundPieter Noordhuis, 3 years ago: • Bump gloo
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# NCCL_LIB_DIR: Directory where NCCL library is found
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#
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# The following are set after configuration is done:
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# NCCL_FOUND
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# NCCL_INCLUDE_DIRS
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# NCCL_LIBRARIES
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#
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# The path hints include CUDA_TOOLKIT_ROOT_DIR seeing as some folks
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# install NCCL in the same location as the CUDA toolkit.
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# See https://github.com/caffe2/caffe2/issues/1601
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set(NCCL_INCLUDE_DIR $ENV{NCCL_INCLUDE_DIR} CACHE PATH "Folder contains NVIDIA NCCL headers")
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set(NCCL_LIB_DIR $ENV{NCCL_LIB_DIR} CACHE PATH "Folder contains NVIDIA NCCL libraries")
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set(NCCL_VERSION $ENV{NCCL_VERSION} CACHE STRING "Version of NCCL to build with")
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if ($ENV{NCCL_ROOT_DIR})
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message(WARNING "NCCL_ROOT_DIR is deprecated. Please set NCCL_ROOT instead.")
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endif()
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list(APPEND NCCL_ROOT $ENV{NCCL_ROOT_DIR} ${CUDA_TOOLKIT_ROOT_DIR})
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# Compatible layer for CMake <3.12. NCCL_ROOT will be accounted in for searching paths and libraries for CMake >=3.12.
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list(APPEND CMAKE_PREFIX_PATH ${NCCL_ROOT})
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find_path(NCCL_INCLUDE_DIRS
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NAMES nccl.h
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HINTS ${NCCL_INCLUDE_DIR})
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if (USE_STATIC_NCCL)
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MESSAGE(STATUS "USE_STATIC_NCCL is set. Linking with static NCCL library.")
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SET(NCCL_LIBNAME "nccl_static")
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if (NCCL_VERSION) # Prefer the versioned library if a specific NCCL version is specified
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a.${NCCL_VERSION}" ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif()
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else()
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SET(NCCL_LIBNAME "nccl")
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if (NCCL_VERSION) # Prefer the versioned library if a specific NCCL version is specified
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".so.${NCCL_VERSION}" ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif()
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endif()
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find_library(NCCL_LIBRARIES
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NAMES ${NCCL_LIBNAME}
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HINTS ${NCCL_LIB_DIR})
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(NCCL DEFAULT_MSG NCCL_INCLUDE_DIRS NCCL_LIBRARIES)
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if(NCCL_FOUND) # obtaining NCCL version and some sanity checks
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set (NCCL_HEADER_FILE "${NCCL_INCLUDE_DIRS}/nccl.h")
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message (STATUS "Determining NCCL version from ${NCCL_HEADER_FILE}...")
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set (OLD_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
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list (APPEND CMAKE_REQUIRED_INCLUDES ${NCCL_INCLUDE_DIRS})
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include(CheckCXXSymbolExists)
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check_cxx_symbol_exists(NCCL_VERSION_CODE nccl.h NCCL_VERSION_DEFINED)
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if (NCCL_VERSION_DEFINED)
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set(file "${PROJECT_BINARY_DIR}/detect_nccl_version.cc")
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file(WRITE ${file} "
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#include <iostream>
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#include <nccl.h>
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int main()
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{
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std::cout << NCCL_MAJOR << '.' << NCCL_MINOR << '.' << NCCL_PATCH << std::endl;
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int x;
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ncclGetVersion(&x);
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return x == NCCL_VERSION_CODE;
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}
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")
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try_run(NCCL_VERSION_MATCHED compile_result ${PROJECT_BINARY_DIR} ${file}
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RUN_OUTPUT_VARIABLE NCCL_VERSION_FROM_HEADER
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CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${NCCL_INCLUDE_DIRS}"
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LINK_LIBRARIES ${NCCL_LIBRARIES})
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if (NOT NCCL_VERSION_MATCHED)
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message(FATAL_ERROR "Found NCCL header version and library version do not match! \
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(include: ${NCCL_INCLUDE_DIRS}, library: ${NCCL_LIBRARIES}) Please set NCCL_INCLUDE_DIR and NCCL_LIB_DIR manually.")
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endif()
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message(STATUS "NCCL version: ${NCCL_VERSION_FROM_HEADER}")
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else()
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# message(STATUS "NCCL version < 2.3.5-5")
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endif ()
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set (CMAKE_REQUIRED_INCLUDES ${OLD_CMAKE_REQUIRED_INCLUDES})
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message(STATUS "Found NCCL (include: ${NCCL_INCLUDE_DIRS}, library: ${NCCL_LIBRARIES})")
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mark_as_advanced(NCCL_ROOT_DIR NCCL_INCLUDE_DIRS NCCL_LIBRARIES)
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endif()
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