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[FEA]: Add support for pathfinder.find_bitcode_lib("nvshmem_device") #1828

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[FEA]: Add support for pathfinder.find_bitcode_lib("nvshmem_device") #1828

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a6f24d7
Add support for find_bitcode_lib("nvshmem_device")
rwgk Mar 29, 2026
509c8dc
Exclude Windows-unavailable bitcode libs from SUPPORTED_BITCODE_LIBS
rwgk Mar 30, 2026
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14 changes: 13 additions & 1 deletion cuda_pathfinder/cuda/pathfinder/_static_libs/find_bitcode_lib.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ class _BitcodeLibInfo(TypedDict):
filename: str
rel_path: str
site_packages_dirs: tuple[str, ...]
available_on_windows: bool


_SUPPORTED_BITCODE_LIBS_INFO: dict[str, _BitcodeLibInfo] = {
Expand All @@ -39,11 +40,22 @@ class _BitcodeLibInfo(TypedDict):
"nvidia/cu13/nvvm/libdevice",
"nvidia/cuda_nvcc/nvvm/libdevice",
),
"available_on_windows": True,
},
"nvshmem_device": {
"filename": "libnvshmem_device.bc",
"rel_path": "lib",
"site_packages_dirs": ("nvidia/nvshmem/lib",),
"available_on_windows": False,
},
}

# Public API: just the supported library names
SUPPORTED_BITCODE_LIBS: tuple[str, ...] = tuple(sorted(_SUPPORTED_BITCODE_LIBS_INFO.keys()))
SUPPORTED_BITCODE_LIBS: tuple[str, ...] = tuple(
sorted(
name for name, info in _SUPPORTED_BITCODE_LIBS_INFO.items() if not IS_WINDOWS or info["available_on_windows"]
)
)


def _no_such_file_in_dir(dir_path: str, filename: str, error_messages: list[str], attachments: list[str]) -> None:
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