[diffusion] chore: further improve model searching logic (#14484)

python/sglang/multimodal_gen/registry.py

@@ -11,7 +11,6 @@ import dataclasses
 import importlib
 import os
 import pkgutil
-import re
 from functools import lru_cache
 from typing import Any, Callable, Dict, List, Optional, Tuple, Type
 
@@ -158,6 +157,13 @@ def register_configs(
             _MODEL_NAME_DETECTORS.append((model_id, detector))
 
 
+def get_model_short_name(model_id: str) -> str:
+    if "/" in model_id:
+        return model_id.split("/")[-1]
+    else:
+        return model_id
+
+
 def _get_config_info(model_path: str) -> Optional[ConfigInfo]:
     """
     Gets the ConfigInfo for a given model path using mappings and detectors.
@@ -169,14 +175,16 @@ def _get_config_info(model_path: str) -> Optional[ConfigInfo]:
         return _CONFIG_REGISTRY.get(model_id)
 
     # 2. Partial match: find the best (longest) match against all registered model hf paths.
-    cleaned_model_path = re.sub(r"--", "/", model_path.lower())
+    model_name = get_model_short_name(model_path.lower())
     all_model_hf_paths = sorted(_MODEL_HF_PATH_TO_NAME.keys(), key=len, reverse=True)
-    for model_hf_path in all_model_hf_paths:
-        if model_hf_path.lower() in cleaned_model_path:
+    for registered_model_hf_id in all_model_hf_paths:
+        registered_model_name = get_model_short_name(registered_model_hf_id.lower())
+
+        if registered_model_name == model_name:
             logger.debug(
-                f"Resolved model name '{model_hf_path}' from partial path match."
+                f"Resolved model name '{registered_model_hf_id}' from partial path match."
             )
-            model_id = _MODEL_HF_PATH_TO_NAME[model_hf_path]
+            model_id = _MODEL_HF_PATH_TO_NAME[registered_model_hf_id]
             return _CONFIG_REGISTRY.get(model_id)
 
     # 3. Use detectors

python/sglang/multimodal_gen/runtime/loader/component_loader.py

@@ -120,7 +120,8 @@ class ComponentLoader(ABC):
         self.device = device
 
     def should_offload(self, server_args, model_config: ModelConfig | None = None):
-        raise NotImplementedError()
+        # offload by default
+        return True
 
     def target_device(self, should_offload):
         if should_offload: