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Skip selective_scan_cuda build on ROCm/HIP #915

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40 changes: 22 additions & 18 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -244,25 +244,29 @@ def append_nvcc_threads(nvcc_extra_args):
),
}

ext_modules.append(
CUDAExtension(
name="selective_scan_cuda",
sources=[
"csrc/selective_scan/selective_scan.cpp",
"csrc/selective_scan/selective_scan_fwd_fp32.cu",
"csrc/selective_scan/selective_scan_fwd_fp16.cu",
"csrc/selective_scan/selective_scan_fwd_bf16.cu",
"csrc/selective_scan/selective_scan_bwd_fp32_real.cu",
"csrc/selective_scan/selective_scan_bwd_fp32_complex.cu",
"csrc/selective_scan/selective_scan_bwd_fp16_real.cu",
"csrc/selective_scan/selective_scan_bwd_fp16_complex.cu",
"csrc/selective_scan/selective_scan_bwd_bf16_real.cu",
"csrc/selective_scan/selective_scan_bwd_bf16_complex.cu",
],
extra_compile_args=extra_compile_args,
include_dirs=[Path(this_dir) / "csrc" / "selective_scan"],
# selective_scan_cuda is a Mamba-1 CUDA extension that does not compile
# on ROCm/HIP. Mamba-2 and Mamba-3 use Triton kernels instead, so this
# extension is not needed on HIP builds.
if not HIP_BUILD:
ext_modules.append(
CUDAExtension(
name="selective_scan_cuda",
sources=[
"csrc/selective_scan/selective_scan.cpp",
"csrc/selective_scan/selective_scan_fwd_fp32.cu",
"csrc/selective_scan/selective_scan_fwd_fp16.cu",
"csrc/selective_scan/selective_scan_fwd_bf16.cu",
"csrc/selective_scan/selective_scan_bwd_fp32_real.cu",
"csrc/selective_scan/selective_scan_bwd_fp32_complex.cu",
"csrc/selective_scan/selective_scan_bwd_fp16_real.cu",
"csrc/selective_scan/selective_scan_bwd_fp16_complex.cu",
"csrc/selective_scan/selective_scan_bwd_bf16_real.cu",
"csrc/selective_scan/selective_scan_bwd_bf16_complex.cu",
],
extra_compile_args=extra_compile_args,
include_dirs=[Path(this_dir) / "csrc" / "selective_scan"],
)
)
)


def get_package_version():
Expand Down