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fix: convert bfloat16 to float because of numpy incompatibility #53

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Oct 3, 2024
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fix: convert bfloat16 to float because of numpy incompatibility #53

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1453c3a
convert bfloat16 to float because of numpy incompatibility
stephantul Oct 3, 2024
48da995
Also add bfloat to vocab inference
stephantul Oct 3, 2024
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5 changes: 5 additions & 0 deletions model2vec/distill/inference.py
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,11 @@
with torch.no_grad():
encoded: BaseModelOutputWithPoolingAndCrossAttentions = model(input_ids=batch.to(device))
out: torch.Tensor = encoded.last_hidden_state
# NOTE: If the dtype is bfloat 16, we convert to float32,
# because numpy does not suport bfloat16
# See here: https://github.com/numpy/numpy/issues/19808
if out.dtype == torch.bfloat16:
out = out.float()

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intermediate_weights.append(out[:, 1].cpu().numpy())
out_weights = np.concatenate(intermediate_weights)

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