carrot/selfdrive/modeld/runners/tinygrad_helpers.py
Vehicle Researcher 8eb8330d95 openpilot v0.9.9 release
date: 2025-03-08T09:09:29
master commit: ce355250be726f9bc8f0ac165a6cde41586a983d
2025-03-08 09:09:31 +00:00

9 lines
365 B
Python

from tinygrad.tensor import Tensor
from tinygrad.helpers import to_mv
def qcom_tensor_from_opencl_address(opencl_address, shape, dtype):
cl_buf_desc_ptr = to_mv(opencl_address, 8).cast('Q')[0]
rawbuf_ptr = to_mv(cl_buf_desc_ptr, 0x100).cast('Q')[20] # offset 0xA0 is a raw gpu pointer.
return Tensor.from_blob(rawbuf_ptr, shape, dtype=dtype, device='QCOM')