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Merge da507c5835 into 83dccc20ae

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Sofie Van Landeghem 2026-03-03 11:25:39 -05:00 committed by GitHub
commit 3a998fccf5
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1 changed files with 2 additions and 2 deletions
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scripts/chat_sft.py
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@ -282,8 +282,8 @@ def sft_data_generator_bos_bestfit(split, buffer_size=100):
# Build tensors
use_cuda = device_type == "cuda"
batch_tensor = torch.tensor(rows, dtype=torch.long, pin_memory=use_cuda)
inputs = batch_tensor[:, :-1].to(device=device, dtype=torch.int32, non_blocking=use_cuda)
targets = batch_tensor[:, 1:].to(device=device, dtype=torch.int64, non_blocking=use_cuda)
inputs = batch_tensor[:, :-1].to(device=device, dtype=torch.int32, non_blocking=use_cuda).contiguous()
targets = batch_tensor[:, 1:].to(device=device, dtype=torch.int64, non_blocking=use_cuda).contiguous()
# Apply the loss mask from render_conversation (mask=1 for assistant completions,
# mask=0 for user prompts, BOS, special tokens, tool outputs). mask[1:] aligns