[Bugfix][VLM] Fix failing Phi-4-MM multi-images tests and add vision-speech test (#16424)

Signed-off-by: Isotr0py <2037008807@qq.com>

examples/offline_inference/vision_language.py

@@ -8,6 +8,7 @@ on HuggingFace model repository.
 """
 import os
 import random
+from contextlib import contextmanager
 from dataclasses import asdict
 from typing import NamedTuple, Optional
 
@@ -1055,6 +1056,20 @@ def apply_image_repeat(image_repeat_prob, num_prompts, data,
     return inputs
 
 
+@contextmanager
+def time_counter(enable: bool):
+    if enable:
+        import time
+        start_time = time.time()
+        yield
+        elapsed_time = time.time() - start_time
+        print("-" * 50)
+        print("-- generate time = {}".format(elapsed_time))
+        print("-" * 50)
+    else:
+        yield
+
+
 def main(args):
     model = args.model_type
     if model not in model_example_map:
@@ -1113,17 +1128,16 @@ def main(args):
                 },
             } for i in range(args.num_prompts)]
 
-    if args.time_generate:
-        import time
-        start_time = time.time()
-        outputs = llm.generate(inputs, sampling_params=sampling_params)
-        elapsed_time = time.time() - start_time
-        print("-" * 50)
-        print("-- generate time = {}".format(elapsed_time))
-        print("-" * 50)
+    # Add LoRA request if applicable
+    lora_request = (req_data.lora_requests *
+                    args.num_prompts if req_data.lora_requests else None)
 
-    else:
-        outputs = llm.generate(inputs, sampling_params=sampling_params)
+    with time_counter(args.time_generate):
+        outputs = llm.generate(
+            inputs,
+            sampling_params=sampling_params,
+            lora_request=lora_request,
+        )
 
     print("-" * 50)
     for o in outputs: