refactor : neftune_alpha 在 Embedding 构造时传入,由模型配置链路负责

- BaseModelConfig 添加 neftune_alpha 字段 (默认 0.0)
- Embedding.__init__ 接受 neftune_alpha 参数,不再外部 set
- AutoRegressiveLM / EmbeddingEncoder 从 config 传入 neftune_alpha
- train.py 将 CLI 参数注入 config 后再创建模型
- TrainContextBuilder 移除 neftune 设置(不再是其职责)
This commit is contained in:
2026-06-19 14:23:27 +08:00
parent b1adc40cfb
commit 39985840c7
6 changed files with 13 additions and 5 deletions
-1
View File
@@ -63,7 +63,6 @@ class TrainContextBuilder:
model = cfg.model_fn()
model = model.to(device=device)
model.embed_tokens.neftune_noise_alpha = cfg.neftune_alpha
model_config = {}
if self._resume_dir: