add tqdm when loading checkpoint shards (#6569)

Co-authored-by: tianyi.zhao <tianyi.zhao@transwarp.io>
Co-authored-by: youkaichao <youkaichao@126.com>

vllm/model_executor/model_loader/weight_utils.py

@@ -331,7 +331,8 @@ def np_cache_weights_iterator(
     with get_lock(model_name_or_path, cache_dir):
         if not os.path.exists(weight_names_file):
             weight_names: List[str] = []
-            for bin_file in hf_weights_files:
+            for bin_file in tqdm(hf_weights_files,
+                                 desc="Loading np_cache checkpoint shards"):
                 state = torch.load(bin_file, map_location="cpu")
                 for name, param in state.items():
                     param_path = os.path.join(np_folder, name)
@@ -355,7 +356,8 @@ def safetensors_weights_iterator(
     hf_weights_files: List[str]
 ) -> Generator[Tuple[str, torch.Tensor], None, None]:
     """Iterate over the weights in the model safetensor files."""
-    for st_file in hf_weights_files:
+    for st_file in tqdm(hf_weights_files,
+                        desc="Loading safetensors checkpoint shards"):
         with safe_open(st_file, framework="pt") as f:
             for name in f.keys():  # noqa: SIM118
                 param = f.get_tensor(name)
@@ -366,7 +368,8 @@ def pt_weights_iterator(
     hf_weights_files: List[str]
 ) -> Generator[Tuple[str, torch.Tensor], None, None]:
     """Iterate over the weights in the model bin/pt files."""
-    for bin_file in hf_weights_files:
+    for bin_file in tqdm(hf_weights_files,
+                         desc="Loading pt checkpoint shards"):
         state = torch.load(bin_file, map_location="cpu")
         for name, param in state.items():
             yield name, param