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konverner/grad_norm.py

Created February 5, 2023 11:58
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compute gradient norm of pytorch model
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grad_norm.py
def grad_norm(model: nn.Module):
total_norm = 0
for p in model.parameters():
param_norm = p.grad.detach().data.norm(2)
total_norm += param_norm.item() ** 2
return total_norm ** 0.5
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