[Model] Pass param prefix to LLMHead (#24862)

Signed-off-by: whx-sjtu <2952154980@qq.com>
2025-09-17 16:01:27 +08:00
parent 03191cd8f0
commit 4a9375fe9d
58 changed files with 102 additions and 31 deletions
--- a/vllm/model_executor/models/opt.py
+++ b/vllm/model_executor/models/opt.py
@@ -375,7 +375,9 @@ class OPTForCausalLM(nn.Module, SupportsPP):
            self.lm_head = self.model.decoder.embed_tokens
        else:
            self.lm_head = ParallelLMHead(config.vocab_size,
-                                          config.word_embed_proj_dim)
+                                          config.word_embed_proj_dim,
+                                          prefix=maybe_prefix(
+                                              prefix, "lm_head"))
        self.logits_processor = LogitsProcessor(config.vocab_size)
        self.make_empty_intermediate_tensors = (
            self.model.make_empty_intermediate_tensors)