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setup.py
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import os
import setuptools
from torch.utils.cpp_extension import BuildExtension, CUDAExtension
class CustomBuildExtension(BuildExtension):
def build_extensions(self):
for ext in self.extensions:
if not "cxx" in ext.extra_compile_args:
ext.extra_compile_args["cxx"] = []
if not "nvcc" in ext.extra_compile_args:
ext.extra_compile_args["nvcc"] = []
if self.compiler.compiler_type == "msvc":
ext.extra_compile_args["cxx"] += ext.extra_compile_args["msvc"]
ext.extra_compile_args["nvcc"] += ext.extra_compile_args["nvcc_msvc"]
else:
ext.extra_compile_args["cxx"] += ext.extra_compile_args["gcc"]
super().build_extensions()
if __name__ == "__main__":
fp = open("nunchaku/__version__.py", "r").read()
version = eval(fp.strip().split()[-1])
ROOT_DIR = os.path.dirname(__file__)
INCLUDE_DIRS = [
"src",
"third_party/cutlass/include",
"third_party/json/include",
"third_party/mio/include",
"third_party/spdlog/include",
"third_party/Block-Sparse-Attention/csrc/block_sparse_attn",
]
INCLUDE_DIRS = [ROOT_DIR + "/" + dir for dir in INCLUDE_DIRS]
DEBUG = False
def ncond(s) -> list:
if DEBUG:
return []
else:
return [s]
def cond(s) -> list:
if DEBUG:
return [s]
else:
return []
GCC_FLAGS = ["-DENABLE_BF16=1", "-DBUILD_NUNCHAKU=1", "-fvisibility=hidden", "-g", "-std=c++20", "-UNDEBUG", "-Og"]
MSVC_FLAGS = ["/DENABLE_BF16=1", "/DBUILD_NUNCHAKU=1", "/std:c++20", "/UNDEBUG", "/Zc:__cplusplus"]
NVCC_FLAGS = [
"-DENABLE_BF16=1",
"-DBUILD_NUNCHAKU=1",
"-gencode",
"arch=compute_86,code=sm_86",
"-gencode",
"arch=compute_89,code=sm_89",
# "-gencode",
# "arch=compute_89,code=sm_120a",
"-g",
"-std=c++20",
"-UNDEBUG",
"-Xcudafe",
"--diag_suppress=20208", # spdlog: 'long double' is treated as 'double' in device code
*cond("-G"),
"-U__CUDA_NO_HALF_OPERATORS__",
"-U__CUDA_NO_HALF_CONVERSIONS__",
"-U__CUDA_NO_HALF2_OPERATORS__",
"-U__CUDA_NO_HALF2_CONVERSIONS__",
"-U__CUDA_NO_BFLOAT16_OPERATORS__",
"-U__CUDA_NO_BFLOAT16_CONVERSIONS__",
"-U__CUDA_NO_BFLOAT162_OPERATORS__",
"-U__CUDA_NO_BFLOAT162_CONVERSIONS__",
"--threads=2",
"--expt-relaxed-constexpr",
"--expt-extended-lambda",
"--generate-line-info",
"--ptxas-options=--allow-expensive-optimizations=true",
]
# https://github.com/NVIDIA/cutlass/pull/1479#issuecomment-2052300487
NVCC_MSVC_FLAGS = ["-Xcompiler", "/Zc:__cplusplus"]
nunchaku_extension = CUDAExtension(
name="nunchaku._C",
sources=[
"nunchaku/csrc/pybind.cpp",
"src/interop/torch.cpp",
"src/activation.cpp",
"src/layernorm.cpp",
"src/Linear.cpp",
*ncond("src/FluxModel.cpp"),
*ncond("src/SanaModel.cpp"),
"src/Serialization.cpp",
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_hdim64_fp16_sm80.cu"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_hdim64_bf16_sm80.cu"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_hdim128_fp16_sm80.cu"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_hdim128_bf16_sm80.cu"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim64_fp16_sm80.cu"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim64_bf16_sm80.cu"),
*ncond(
"third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_fp16_sm80.cu"
),
*ncond(
"third_party/Block-Sparse-Attention/csrc/block_sparse_attn/src/flash_fwd_block_hdim128_bf16_sm80.cu"
),
"src/kernels/activation_kernels.cu",
"src/kernels/layernorm_kernels.cu",
"src/kernels/misc_kernels.cu",
"src/kernels/zgemm/gemm_w4a4.cu",
"src/kernels/zgemm/gemm_w4a4_launch_fp16.cu",
"src/kernels/zgemm/gemm_w4a4_launch_bf16.cu",
"src/kernels/zgemm/gemm_w8a8.cu",
"src/kernels/dwconv.cu",
"src/kernels/gemm_batched.cu",
"src/kernels/gemm_f16.cu",
"src/kernels/awq/gemv_awq.cu",
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/flash_api.cpp"),
*ncond("third_party/Block-Sparse-Attention/csrc/block_sparse_attn/flash_api_adapter.cpp"),
],
extra_compile_args={"gcc": GCC_FLAGS, "msvc": MSVC_FLAGS, "nvcc": NVCC_FLAGS, "nvcc_msvc": NVCC_MSVC_FLAGS},
include_dirs=INCLUDE_DIRS,
)
setuptools.setup(
name="nunchaku",
version=version,
packages=setuptools.find_packages(),
ext_modules=[nunchaku_extension],
cmdclass={"build_ext": CustomBuildExtension},
)