import os

from torch.utils.cpp_extension import load


def compile(name, sources, extra_include_paths, build_directory):
    os.environ["TORCH_CUDA_ARCH_LIST"] = "7.0;8.0"
    return load(
        name=name,
        sources=sources,
        extra_include_paths=extra_include_paths,
        extra_cflags=[
            "-O3",
            "-DVERSION_GE_1_1",
            "-DVERSION_GE_1_3",
            "-DVERSION_GE_1_5",
        ],
        extra_cuda_cflags=[
            "-O3",
            "--use_fast_math",
            "-DVERSION_GE_1_1",
            "-DVERSION_GE_1_3",
            "-DVERSION_GE_1_5",
            "-std=c++17",
            "-maxrregcount=50",
            "-U__CUDA_NO_HALF_OPERATORS__",
            "-U__CUDA_NO_HALF_CONVERSIONS__",
            "--expt-relaxed-constexpr",
            "--expt-extended-lambda",
            "-gencode",
            "arch=compute_70,code=sm_70",
            "-gencode",
            "arch=compute_80,code=sm_80",
            "-gencode",
            "arch=compute_86,code=sm_86",
            "-gencode",
            "arch=compute_90,code=sm_90",
        ],
        verbose=True,
        build_directory=build_directory,
    )