Philipp Zabel 4153154423 etnaviv/nn: Add support for signed 8-bit tensors
The hardware only supports unsigned 8-bit tensors, but with the
configurable zero point we can map signed 8-bit integers to unsigned
8-bit integers by adding a constant offset of 128 to all values and to
the zero point setting.

This requires adding 128 to all input tensors and subtracting 128
from all output tensors during inference.

Reviewed-by: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31979>
2024-11-29 10:52:56 +01:00
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library
======================================================


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