()
| 82 | |
| 83 | |
| 84 | def get_extensions(): |
| 85 | this_dir = os.path.dirname(os.path.abspath(__file__)) |
| 86 | ext_dir = os.path.join(this_dir, "monai", "csrc") |
| 87 | include_dirs = [ext_dir] |
| 88 | |
| 89 | source_cpu = glob.glob(os.path.join(ext_dir, "**", "*.cpp"), recursive=True) |
| 90 | source_cuda = glob.glob(os.path.join(ext_dir, "**", "*.cu"), recursive=True) |
| 91 | |
| 92 | extension = None |
| 93 | define_macros = [(f"{torch_parallel_backend()}", 1), ("MONAI_TORCH_VERSION", TORCH_VERSION)] |
| 94 | extra_compile_args = {} |
| 95 | extra_link_args = [] |
| 96 | sources = source_cpu |
| 97 | if BUILD_CPP: |
| 98 | extension = CppExtension |
| 99 | extra_compile_args.setdefault("cxx", []) |
| 100 | if torch_parallel_backend() == "AT_PARALLEL_OPENMP": |
| 101 | extra_compile_args["cxx"] += omp_flags() |
| 102 | extra_link_args = omp_flags() |
| 103 | if BUILD_CUDA: |
| 104 | extension = CUDAExtension |
| 105 | sources += source_cuda |
| 106 | define_macros += [("WITH_CUDA", None)] |
| 107 | # Embed the maximum compute capability from TORCH_CUDA_ARCH_LIST |
| 108 | _torch_cuda_arch_list = os.environ.get("TORCH_CUDA_ARCH_LIST", "") |
| 109 | _max_cc = 0 |
| 110 | if _torch_cuda_arch_list: |
| 111 | for _maj, _min in re.findall(r"([0-9]+)\.([0-9]+)", _torch_cuda_arch_list): |
| 112 | try: |
| 113 | _cc = int(_maj) * 100 + int(_min) |
| 114 | if _cc > _max_cc: |
| 115 | _max_cc = _cc |
| 116 | except ValueError: |
| 117 | pass |
| 118 | if _max_cc > 0: |
| 119 | define_macros += [("MONAI_MAX_COMPUTE_CAPABILITY", _max_cc)] |
| 120 | extra_compile_args = {"cxx": [], "nvcc": []} |
| 121 | if torch_parallel_backend() == "AT_PARALLEL_OPENMP": |
| 122 | extra_compile_args["cxx"] += omp_flags() |
| 123 | if extension is None or not sources: |
| 124 | return [] # compile nothing |
| 125 | |
| 126 | ext_modules = [ |
| 127 | extension( |
| 128 | name="monai._C", |
| 129 | sources=sources, |
| 130 | include_dirs=include_dirs, |
| 131 | define_macros=define_macros, |
| 132 | extra_compile_args=extra_compile_args, |
| 133 | extra_link_args=extra_link_args, |
| 134 | ) |
| 135 | ] |
| 136 | return ext_modules |
| 137 | |
| 138 | |
| 139 | def get_cmds(): |
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