[Loader V1] modify layername for DeepSeekV3 (#3336)

Co-authored-by: Yuanle Liu <[email protected]>
Co-authored-by: YUNSHEN XIE <[email protected]>

Author: 3 people

fastdeploy/model_executor/models/deepseek_v3.py

@@ -539,7 +539,7 @@ def __init__(
             prefix="deepseek_v3.embed_tokens",
         )
 
-        self.decoder_layers = nn.LayerList(
+        self.layers = nn.LayerList(
             [
                 DeepSeekV3DecoderLayer(
                     fd_config,
@@ -564,7 +564,7 @@ def load_state_dict(self, state_dict):
         self.norm.load_state_dict(state_dict)
         for i in range(self.num_layers):
             logger.info(f"Start load layer {i}")
-            self.decoder_layers[i].load_state_dict(state_dict)
+            self.layers[i].load_state_dict(state_dict)
 
     def forward(
         self,
@@ -578,7 +578,7 @@ def forward(
 
         residual = None
         for i in range(self.num_layers):
-            hidden_states, residual = self.decoder_layers[i](
+            hidden_states, residual = self.layers[i](
                 forward_meta,
                 hidden_states,
                 residual,
@@ -658,12 +658,11 @@ def load_weights(self, weights_iterator) -> None:
 
         for loaded_weight_name, loaded_weight in weights_iterator:
             loaded_weight_name = loaded_weight_name.replace("deepseek_v3", "model")
-            loaded_weight_name = loaded_weight_name.replace("layers", "decoder_layers")
 
             for param_name, weight_name, shard_id in stacked_params_mapping:
                 if weight_name not in loaded_weight_name:
                     continue
-                if "mlp.experts." in loaded_weight_name and loaded_weight_name not in params_dict:
+                if "mlp.experts." in loaded_weight_name:
                     continue
                 model_param_name = loaded_weight_name.replace(weight_name, param_name)