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# mypy: allow-untyped-defs
from typing import Optional
import torch
__all__ = [
"version",
"is_available",
"get_max_alg_id",
]
try:
from torch._C import _cusparselt
except ImportError:
_cusparselt = None # type: ignore[assignment]
__cusparselt_version: Optional[int] = None
__MAX_ALG_ID: Optional[int] = None
if _cusparselt is not None:
def _init():
global __cusparselt_version
global __MAX_ALG_ID
if __cusparselt_version is None:
__cusparselt_version = _cusparselt.getVersionInt()
if __cusparselt_version == 400:
__MAX_ALG_ID = 4
elif __cusparselt_version == 502:
__MAX_ALG_ID = 5
elif __cusparselt_version == 602:
__MAX_ALG_ID = 37
return True
else:
def _init():
return False
def version() -> Optional[int]:
"""Return the version of cuSPARSELt"""
if not _init():
return None
return __cusparselt_version
def is_available() -> bool:
r"""Return a bool indicating if cuSPARSELt is currently available."""
return torch._C._has_cusparselt
def get_max_alg_id() -> Optional[int]:
if not _init():
return None
return __MAX_ALG_ID
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