10000 alternative functorch fix by ffuuugor · Pull Request #531 · pytorch/opacus · GitHub
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alternative functorch fix #531

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alternative functorch fix #531

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4 changes: 3 additions & 1 deletion opacus/grad_sample/functorch.py
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Expand Up @@ -49,13 +49,15 @@ def ft_compute_per_sample_gradient(layer, activations, backprops):
backprops: the gradient of the loss w.r.t. outputs of the layer
"""
parameters = list(layer.parameters())
non_recursive_params = set(layer.parameters(recurse=False))
if not hasattr(layer, "ft_compute_sample_grad"):
prepare_layer(layer)

per_sample_grads = layer.ft_compute_sample_grad(parameters, activations, backprops)

ret = {}
for i_p, p in enumerate(parameters):
ret[p] = per_sample_grads[i_p]
if p in non_recursive_params:
ret[p] = per_sample_grads[i_p]

return ret
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