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Add support for half and bfloat16 scalars in pyCUDA backend #300

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Merged
benvanwerkhoven merged 1 commit into from
May 8, 2025
Merged

Add support for half and bfloat16 scalars in pyCUDA backend #300

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3 changes: 3 additions & 0 deletions kernel_tuner/backends/pycuda.py
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,9 @@ def ready_argument_list(self, arguments):
# pycuda does not support bool, convert to uint8 instead
elif isinstance(arg, np.bool_):
gpu_args.append(arg.astype(np.uint8))
# pycuda does not support 16-bit formats, view them as uint16
elif isinstance(arg, np.generic) and str(arg.dtype) in ("float16", "bfloat16"):
gpu_args.append(arg.view(np.uint16))
# if not an array, just pass argument along
else:
gpu_args.append(arg)
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