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fix: remove the wrong attention mask updating #161

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Merged
liusong1222 merged 1 commit into from
Dec 8, 2025
Merged

fix: remove the wrong attention mask updating #161

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6 changes: 0 additions & 6 deletions angelslim/compressor/speculative/train/trainer/eagle3_trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,12 +208,6 @@ def draft_model_training_time_test(
target_logits = padding(target_logits, left=False)
loss_mask = padding(loss_mask, left=False)

# Update attention mask to prevent attending to future positions
ind = torch.arange(seq_length, device=attention_mask.device)
attention_mask[:, :, ind[idx:], ind[: seq_length - idx]] = torch.finfo(
attention_mask.dtype
).min

# Step 8: Compute weighted loss
ploss_weight = [0.8**i for i in range(len(plosses))]
ploss = sum([ploss_weight[i] * plosses[i] for i in range(len(plosses))])
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