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gpt-bigcode: avoid zero_ to support Core ML (#24755)

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gpt-bigcode: avoid `zeros_` to support Core ML.

In-place `zeros_` is not supported by the Core ML conversion process.
This PR replaces it with `zeros_like` so conversion can proceed.

The change only affects a workaround for a PyTorch bug on the `cpu`
device.
This commit is contained in:
Pedro Cuenca 2023-07-12 16:38:25 +02:00 committed by GitHub
parent 0284285501
commit 395e566a42
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src/transformers/models/gpt_bigcode/modeling_gpt_bigcode.py
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@ -164,7 +164,7 @@ class GPTBigCodeAttention(nn.Module):
# This is needed because of a bug in pytorch https://github.com/pytorch/pytorch/issues/80588.
# The bug was fixed in https://github.com/pytorch/pytorch/pull/96086,
# but the fix has not been released as of pytorch version 2.0.0.
attn_weights.zero_()
attn_weights = torch.zeros_like(attn_weights)
beta = 1
else:
beta = 0