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GRU layer support on ST Edge AI

Dresult
Associate III

 

Hello everyone,

I have a GRU-based model that I trained using PyTorch and then exported to ONNX. I'm trying to run it on various ST boards.

According to this documentation: ST Neural-ART Operator Support
it seems that the Neural-ART accelerator does not support the GRU layer. However, from what I understand, other ST Edge AI boards should support it—with some limitations described here: ONNX Supported Ops

That said, when I try to compile the model using the ST Edge AI Developer Cloud, I get the following error:

TOOL ERROR: operands could not be broadcast together with shapes (512,) (256,)

This is the same issue I previously encountered here: Community Thread - GRU/LSTM Model Issue

At this point, I'm not sure whether GRU layers are simply not supported at all, or if there's a way to make them work under specific conditions.

I'm attaching the ONNX model in case it helps.

Thanks in advance for any support or suggestions!

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