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Fix top_k when k < 0

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This commit is contained in:
Nicolas Patry 2023-08-31 20:51:17 +02:00
parent 7d8e5fb284
commit e74a68ee70
1 changed files with 3 additions and 2 deletions
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server/text_generation_server/utils/tokens.py
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@ -364,8 +364,9 @@ def batch_top_tokens(
top_n_indices = (logprobs >= nth_highest).nonzero() top_n_indices = (logprobs >= nth_highest).nonzero()
_, top_n_ishes = torch.unique_consecutive(top_n_indices[:, 0], return_counts=True) _, top_n_ishes = torch.unique_consecutive(top_n_indices[:, 0], return_counts=True)
k = 1 if top_n_ishes.numel() == 0 else top_n_ishes.max()
# Take a new topk for these new max n values # Take a new topk for these new max n values
top_k = torch.topk(logprobs, k=top_n_ishes.max(), dim=1, sorted=True) top_k = torch.topk(logprobs, k=k, dim=1, sorted=True)
top_n_ishes = top_n_ishes.tolist() top_n_ishes = top_n_ishes.tolist()
top_indices = top_k.indices.tolist() top_indices = top_k.indices.tolist()