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Handle unsupported device attributes gracefully #1409

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Merged
Andy-Jost merged 3 commits into from
Dec 22, 2025
+5 −1
Merged

Handle unsupported device attributes gracefully #1409

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def7312
Adds defensive code in device _get_attribute to gracefully handle que…
Andy-Jost Dec 18, 2025
7e05f5a
Merge branch 'main' into nvbug5605010
Andy-Jost Dec 18, 2025
3f12cdb
Merge branch 'main' into nvbug5605010
Andy-Jost Dec 19, 2025
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6 changes: 5 additions & 1 deletion cuda_core/cuda/core/_device.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,12 @@ cdef class DeviceProperties:
cdef inline _get_attribute(self, cydriver.CUdevice_attribute attr):
"""Retrieve the attribute value directly from the driver."""
cdef int val
cdef cydriver.CUresult err
with nogil:
HANDLE_RETURN(cydriver.cuDeviceGetAttribute(&val, attr, self._handle))
err = cydriver.cuDeviceGetAttribute(&val, attr, self._handle)
if err == cydriver.CUresult.CUDA_ERROR_INVALID_VALUE:
return 0
HANDLE_RETURN(err)
return val

cdef _get_cached_attribute(self, attr):
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