| from .setup_helpers.env import (IS_64BIT, IS_DARWIN, IS_WINDOWS, |
| DEBUG, REL_WITH_DEB_INFO, USE_MKLDNN, |
| check_env_flag, check_negative_env_flag) |
| |
| import os |
| import sys |
| import distutils |
| import distutils.sysconfig |
| from subprocess import check_call, check_output |
| from distutils.version import LooseVersion |
| from .setup_helpers.cuda import USE_CUDA, CUDA_HOME |
| from .setup_helpers.dist_check import USE_DISTRIBUTED, USE_GLOO_IBVERBS |
| from .setup_helpers.nccl import USE_SYSTEM_NCCL, NCCL_INCLUDE_DIR, NCCL_ROOT_DIR, NCCL_SYSTEM_LIB, USE_NCCL |
| from .setup_helpers.rocm import USE_ROCM |
| from .setup_helpers.nnpack import USE_NNPACK |
| from .setup_helpers.qnnpack import USE_QNNPACK |
| from .setup_helpers.cudnn import CUDNN_INCLUDE_DIR, CUDNN_LIBRARY, USE_CUDNN |
| |
| |
| from pprint import pprint |
| from glob import glob |
| import multiprocessing |
| import shutil |
| |
| |
| def which(thefile): |
| path = os.environ.get("PATH", os.defpath).split(os.pathsep) |
| for dir in path: |
| fname = os.path.join(dir, thefile) |
| fnames = [fname] |
| if IS_WINDOWS: |
| exts = os.environ.get('PATHEXT', '').split(os.pathsep) |
| fnames += [fname + ext for ext in exts] |
| for name in fnames: |
| if (os.path.exists(name) and os.access(name, os.F_OK | os.X_OK) |
| and not os.path.isdir(name)): |
| return name |
| return None |
| |
| |
| def cmake_version(cmd): |
| for line in check_output([cmd, '--version']).decode('utf-8').split('\n'): |
| if 'version' in line: |
| return LooseVersion(line.strip().split(' ')[2]) |
| raise Exception('no version found') |
| |
| |
| def get_cmake_command(): |
| cmake_command = 'cmake' |
| if IS_WINDOWS: |
| return cmake_command |
| cmake3 = which('cmake3') |
| if cmake3 is not None: |
| cmake = which('cmake') |
| if cmake is not None: |
| bare_version = cmake_version(cmake) |
| if bare_version < LooseVersion("3.5.0") and cmake_version(cmake3) > bare_version: |
| cmake_command = 'cmake3' |
| return cmake_command |
| |
| |
| def cmake_defines(lst, **kwargs): |
| for key in sorted(kwargs.keys()): |
| value = kwargs[key] |
| if value is not None: |
| lst.append('-D{}={}'.format(key, value)) |
| |
| |
| # Ninja |
| # Use ninja if it is on the PATH. Previous version of PyTorch required the |
| # ninja python package, but we no longer use it, so we do not have to import it |
| USE_NINJA = not check_negative_env_flag('USE_NINJA') and (which('ninja') is not None) |
| |
| base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) |
| install_dir = base_dir + "/torch" |
| build_type = "Release" |
| if DEBUG: |
| build_type = "Debug" |
| elif REL_WITH_DEB_INFO: |
| build_type = "RelWithDebInfo" |
| |
| |
| def overlay_windows_vcvars(env): |
| if sys.version_info >= (3, 5): |
| from distutils._msvccompiler import _get_vc_env |
| vc_arch = 'x64' if IS_64BIT else 'x86' |
| vc_env = _get_vc_env(vc_arch) |
| for k, v in env.items(): |
| lk = k.lower() |
| if lk not in vc_env: |
| vc_env[lk] = v |
| return vc_env |
| else: |
| return env |
| |
| |
| def mkdir_p(dir): |
| try: |
| os.makedirs(dir) |
| except OSError: |
| pass |
| |
| |
| def create_build_env(): |
| # XXX - our cmake file sometimes looks at the system environment |
| # and not cmake flags! |
| # you should NEVER add something to this list. It is bad practice to |
| # have cmake read the environment |
| my_env = os.environ.copy() |
| if USE_CUDNN: |
| my_env['CUDNN_LIBRARY'] = escape_path(CUDNN_LIBRARY) |
| my_env['CUDNN_INCLUDE_DIR'] = escape_path(CUDNN_INCLUDE_DIR) |
| if USE_CUDA: |
| my_env['CUDA_BIN_PATH'] = escape_path(CUDA_HOME) |
| |
| if IS_WINDOWS: |
| # When using Ninja under Windows, the gcc toolchain will be chosen as default. |
| # But it should be set to MSVC as the user's first choice. |
| if USE_NINJA: |
| my_env = overlay_windows_vcvars(my_env) |
| cc = my_env.get('CC', 'cl') |
| cxx = my_env.get('CXX', 'cl') |
| my_env['CC'] = cc |
| my_env['CXX'] = cxx |
| return my_env |
| |
| |
| def run_cmake(version, |
| cmake_python_library, |
| build_python, |
| build_test, |
| build_dir, |
| my_env): |
| cmake_args = [ |
| get_cmake_command() |
| ] |
| if USE_NINJA: |
| cmake_args.append('-GNinja') |
| elif IS_WINDOWS: |
| if IS_64BIT: |
| cmake_args.append('-GVisual Studio 15 2017 Win64') |
| cmake_args.append('-Thost=x64') |
| else: |
| cmake_args.append('-GVisual Studio 15 2017') |
| try: |
| import numpy as np |
| NUMPY_INCLUDE_DIR = np.get_include() |
| USE_NUMPY = True |
| except ImportError: |
| USE_NUMPY = False |
| NUMPY_INCLUDE_DIR = None |
| |
| cflags = os.getenv('CFLAGS', "") + " " + os.getenv('CPPFLAGS', "") |
| ldflags = os.getenv('LDFLAGS', "") |
| if IS_WINDOWS: |
| cmake_defines(cmake_args, MSVC_Z7_OVERRIDE=os.getenv('MSVC_Z7_OVERRIDE', "ON")) |
| cflags += " /EHa" |
| |
| mkdir_p(install_dir) |
| mkdir_p(build_dir) |
| |
| cmake_defines( |
| cmake_args, |
| PYTHON_EXECUTABLE=escape_path(sys.executable), |
| PYTHON_LIBRARY=escape_path(cmake_python_library), |
| PYTHON_INCLUDE_DIR=escape_path(distutils.sysconfig.get_python_inc()), |
| BUILDING_WITH_TORCH_LIBS=os.getenv("BUILDING_WITH_TORCH_LIBS", "ON"), |
| TORCH_BUILD_VERSION=version, |
| CMAKE_BUILD_TYPE=build_type, |
| CMAKE_VERBOSE_MAKEFILE="ON", |
| BUILD_PYTHON=build_python, |
| BUILD_SHARED_LIBS=os.getenv("BUILD_SHARED_LIBS", "ON"), |
| BUILD_BINARY=check_env_flag('BUILD_BINARY'), |
| BUILD_TEST=build_test, |
| INSTALL_TEST=build_test, |
| BUILD_CAFFE2_OPS=not check_negative_env_flag('BUILD_CAFFE2_OPS'), |
| ONNX_NAMESPACE=os.getenv("ONNX_NAMESPACE", "onnx_torch"), |
| ONNX_ML=os.getenv("ONNX_ML", False), |
| USE_CUDA=USE_CUDA, |
| USE_DISTRIBUTED=USE_DISTRIBUTED, |
| USE_FBGEMM=not (check_env_flag('NO_FBGEMM') or check_negative_env_flag('USE_FBGEMM')), |
| NAMEDTENSOR_ENABLED=(check_env_flag('USE_NAMEDTENSOR') or check_negative_env_flag('NO_NAMEDTENSOR')), |
| USE_NUMPY=USE_NUMPY, |
| NUMPY_INCLUDE_DIR=escape_path(NUMPY_INCLUDE_DIR), |
| USE_SYSTEM_NCCL=USE_SYSTEM_NCCL, |
| NCCL_INCLUDE_DIR=NCCL_INCLUDE_DIR, |
| NCCL_ROOT_DIR=NCCL_ROOT_DIR, |
| NCCL_SYSTEM_LIB=NCCL_SYSTEM_LIB, |
| CAFFE2_STATIC_LINK_CUDA=check_env_flag('USE_CUDA_STATIC_LINK'), |
| USE_ROCM=USE_ROCM, |
| USE_NNPACK=USE_NNPACK, |
| USE_LEVELDB=check_env_flag('USE_LEVELDB'), |
| USE_LMDB=check_env_flag('USE_LMDB'), |
| USE_OPENCV=check_env_flag('USE_OPENCV'), |
| USE_QNNPACK=USE_QNNPACK, |
| USE_TENSORRT=check_env_flag('USE_TENSORRT'), |
| USE_FFMPEG=check_env_flag('USE_FFMPEG'), |
| USE_SYSTEM_EIGEN_INSTALL="OFF", |
| USE_MKLDNN=USE_MKLDNN, |
| USE_NCCL=USE_NCCL, |
| NCCL_EXTERNAL=USE_NCCL, |
| CMAKE_INSTALL_PREFIX=install_dir, |
| CMAKE_C_FLAGS=cflags, |
| CMAKE_CXX_FLAGS=cflags, |
| CMAKE_EXE_LINKER_FLAGS=ldflags, |
| CMAKE_SHARED_LINKER_FLAGS=ldflags, |
| THD_SO_VERSION="1", |
| CMAKE_PREFIX_PATH=os.getenv('CMAKE_PREFIX_PATH') or distutils.sysconfig.get_python_lib(), |
| BLAS=os.getenv('BLAS'), |
| CUDA_NVCC_EXECUTABLE=escape_path(os.getenv('CUDA_NVCC_EXECUTABLE')), |
| USE_REDIS=os.getenv('USE_REDIS'), |
| USE_GLOG=os.getenv('USE_GLOG'), |
| USE_GFLAGS=os.getenv('USE_GFLAGS'), |
| WERROR=os.getenv('WERROR')) |
| |
| if os.getenv('USE_OPENMP'): |
| cmake_defines(cmake_args, USE_OPENMP=check_env_flag('USE_OPENMP')) |
| |
| if os.getenv('MKL_SEQ'): |
| cmake_defines(cmake_args, INTEL_MKL_SEQUENTIAL=check_env_flag('MKL_SEQ')) |
| |
| mkldnn_threading = os.getenv('MKLDNN_THREADING') |
| if mkldnn_threading: |
| cmake_defines(cmake_args, MKLDNN_THREADING=mkldnn_threading) |
| |
| if USE_GLOO_IBVERBS: |
| cmake_defines(cmake_args, USE_IBVERBS="1", USE_GLOO_IBVERBS="1") |
| |
| if USE_MKLDNN: |
| cmake_defines(cmake_args, MKLDNN_ENABLE_CONCURRENT_EXEC="ON") |
| |
| expected_wrapper = '/usr/local/opt/ccache/libexec' |
| if IS_DARWIN and os.path.exists(expected_wrapper): |
| cmake_defines(cmake_args, |
| CMAKE_C_COMPILER="{}/gcc".format(expected_wrapper), |
| CMAKE_CXX_COMPILER="{}/g++".format(expected_wrapper)) |
| for env_var_name in my_env: |
| if env_var_name.startswith('gh'): |
| # github env vars use utf-8, on windows, non-ascii code may |
| # cause problem, so encode first |
| try: |
| my_env[env_var_name] = str(my_env[env_var_name].encode("utf-8")) |
| except UnicodeDecodeError as e: |
| shex = ':'.join('{:02x}'.format(ord(c)) for c in my_env[env_var_name]) |
| sys.stderr.write('Invalid ENV[{}] = {}\n'.format(env_var_name, shex)) |
| # According to the CMake manual, we should pass the arguments first, |
| # and put the directory as the last element. Otherwise, these flags |
| # may not be passed correctly. |
| # Reference: |
| # 1. https://cmake.org/cmake/help/latest/manual/cmake.1.html#synopsis |
| # 2. https://stackoverflow.com/a/27169347 |
| cmake_args.append(base_dir) |
| pprint(cmake_args) |
| check_call(cmake_args, cwd=build_dir, env=my_env) |
| |
| |
| def build_caffe2(version, |
| cmake_python_library, |
| build_python, |
| rerun_cmake, |
| build_dir): |
| my_env = create_build_env() |
| build_test = not check_negative_env_flag('BUILD_TEST') |
| max_jobs = os.getenv('MAX_JOBS', None) |
| cmake_cache_file = 'build/CMakeCache.txt' |
| if rerun_cmake and os.path.isfile(cmake_cache_file): |
| os.remove(cmake_cache_file) |
| if not os.path.exists(cmake_cache_file) or (USE_NINJA and not os.path.exists('build/build.ninja')): |
| run_cmake(version, |
| cmake_python_library, |
| build_python, |
| build_test, |
| build_dir, |
| my_env) |
| if IS_WINDOWS: |
| build_cmd = ['cmake', '--build', '.', '--target', 'install', '--config', build_type, '--'] |
| if USE_NINJA: |
| # sccache will fail if all cores are used for compiling |
| j = max(1, multiprocessing.cpu_count() - 1) |
| if max_jobs is not None: |
| j = min(int(max_jobs), j) |
| build_cmd += ['-j', str(j)] |
| check_call(build_cmd, cwd=build_dir, env=my_env) |
| else: |
| j = max_jobs or str(multiprocessing.cpu_count()) |
| build_cmd += ['/maxcpucount:{}'.format(j)] |
| check_call(build_cmd, cwd=build_dir, env=my_env) |
| else: |
| if USE_NINJA: |
| ninja_cmd = ['ninja', 'install'] |
| if max_jobs is not None: |
| ninja_cmd += ['-j', max_jobs] |
| check_call(ninja_cmd, cwd=build_dir, env=my_env) |
| else: |
| max_jobs = max_jobs or str(multiprocessing.cpu_count()) |
| check_call(['make', '-j', str(max_jobs), 'install'], cwd=build_dir, env=my_env) |
| |
| # in cmake, .cu compilation involves generating certain intermediates |
| # such as .cu.o and .cu.depend, and these intermediates finally get compiled |
| # into the final .so. |
| # Ninja updates build.ninja's timestamp after all dependent files have been built, |
| # and re-kicks cmake on incremental builds if any of the dependent files |
| # have a timestamp newer than build.ninja's timestamp. |
| # There is a cmake bug with the Ninja backend, where the .cu.depend files |
| # are still compiling by the time the build.ninja timestamp is updated, |
| # so the .cu.depend file's newer timestamp is screwing with ninja's incremental |
| # build detector. |
| # This line works around that bug by manually updating the build.ninja timestamp |
| # after the entire build is finished. |
| if os.path.exists('build/build.ninja'): |
| os.utime('build/build.ninja', None) |
| |
| if build_python: |
| for proto_file in glob('build/caffe2/proto/*.py'): |
| if os.path.sep != '/': |
| proto_file = proto_file.replace(os.path.sep, '/') |
| if proto_file != 'build/caffe2/proto/__init__.py': |
| shutil.copyfile(proto_file, "caffe2/proto/" + os.path.basename(proto_file)) |
| |
| |
| def escape_path(path): |
| if os.path.sep != '/' and path is not None: |
| return path.replace(os.path.sep, '/') |
| return path |
