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Fix temperature logits processor #174

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Merged
misailo merged 1 commit into from
Mar 23, 2025
Merged

Fix temperature logits processor #174

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8 changes: 5 additions & 3 deletions syncode/language_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
import torch
import syncode.common as common
from syncode.grammar_mask.logits_processor import SyncodeLogitsProcessor
from transformers import LogitsProcessorList, StoppingCriteriaList, StoppingCriteria
from transformers import LogitsProcessorList, StoppingCriteriaList, StoppingCriteria, PreTrainedModel
from syncode.parsers.grammars import Grammar
from syncode.utils.generation import filter_code, fix_indents
from typing import Callable, Iterable, Union
Expand Down Expand Up @@ -48,7 +48,7 @@ def __init__(
super().__init__()

self.prompt_template = prompt_template
self.model = model
self.model: PreTrainedModel = model
self.tokenizer = tokenizer
self.device = device
self.best_of = best_of
Expand Down Expand Up @@ -193,7 +193,9 @@ def _generate(

# This does not include grammar decoder
self.model._prepare_special_tokens(gen_config, False, device=self.device)
logits_processor = self.model._get_logits_processor(gen_config, token_ids.size(1), token_ids, prefix_allowed_tokens_fn=None, logits_processor=[])

# Add logits processor for generation parameters such as top_k, top_p, temperature, etc.
logits_processor = self.model._get_logits_warper(gen_config, self.device)

max_tokens = self.gen_args['max_new_tokens']+token_ids.size(1)
self.model.config.pad_token_id = pad_token_id = self.tokenizer.pad_token_id if self.tokenizer.pad_token_id is not None else self.tokenizer.eos_token_id
Expand Down