[Bugfix] Fix LLaVA-NeXT feature size precision error (for real) (vllm-project#11772)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

Author: DarkLight1337

tests/models/decoder_only/vision_language/processing/test_llava_next.py

@@ -17,7 +17,8 @@ def processor_for_llava_next():
 
 @pytest.mark.parametrize("model_id", ["llava-hf/llava-v1.6-mistral-7b-hf"])
 @pytest.mark.parametrize("image_size", [(1669, 2560), (2560, 1669), (183, 488),
-                                        (488, 183), (198, 176), (176, 198)])
+                                        (488, 183), (198, 176), (176, 198),
+                                        (161, 184), (184, 161)])
 @pytest.mark.parametrize("num_imgs", [1, 2])
 def test_processor_prompt_replacements(
     processor_for_llava_next,

tests/models/decoder_only/vision_language/processing/test_llava_onevision.py

@@ -18,7 +18,8 @@ def processor_for_llava_onevision():
 @pytest.mark.parametrize("model_id",
                          ["llava-hf/llava-onevision-qwen2-0.5b-ov-hf"])
 @pytest.mark.parametrize("image_size", [(1669, 2560), (2560, 1669), (183, 488),
-                                        (488, 183), (198, 176), (176, 198)])
+                                        (488, 183), (198, 176), (176, 198),
+                                        (161, 184), (184, 161)])
 @pytest.mark.parametrize("num_imgs", [1, 2])
 def test_processor_prompt_replacements(
     processor_for_llava_onevision,

vllm/model_executor/models/llava_next.py

@@ -121,30 +121,29 @@ def _get_num_unpadded_features(
         num_patch_height: int,
         num_patch_width: int,
     ) -> tuple[int, int]:
-        current_height = npatches * num_patch_height
-        current_width = npatches * num_patch_width
-
         # NOTE: Use float32 to remain consistent with HF output
-        original_aspect_ratio = np.array(original_width / original_height,
-                                         dtype=np.float32)
-        current_aspect_ratio = np.array(current_width / current_height,
-                                        dtype=np.float32)
+        current_height_f = np.float32(npatches * num_patch_height)
+        current_width_f = np.float32(npatches * num_patch_width)
+
+        original_width_f = np.float32(original_width)
+        original_height_f = np.float32(original_height)
+
+        original_aspect_ratio = original_width_f / original_height_f
+        current_aspect_ratio = current_width_f / current_height_f
 
         if original_aspect_ratio > current_aspect_ratio:
-            scale_factor = np.array(current_width / original_width,
-                                    dtype=np.float32)
-            new_height = int(original_height * scale_factor)
-            padding = (current_height - new_height) // 2
-            current_height -= 2 * padding
+            scale_factor = current_width_f / original_width_f
+            new_height = int(original_height_f * scale_factor)
+            padding = (current_height_f - new_height) // 2
+            current_height_f -= 2 * padding
         else:
-            scale_factor = np.array(current_height / original_height,
-                                    dtype=np.float32)
-            new_width = int(original_width * scale_factor)
-            padding = (current_width - new_width) // 2
-            current_width -= 2 * padding
-
-        unpadded_features = current_height * current_width
-        newline_features = current_height
+            scale_factor = current_height_f / original_height_f
+            new_width = int(original_width_f * scale_factor)
+            padding = (current_width_f - new_width) // 2
+            current_width_f -= 2 * padding
+
+        unpadded_features = int(current_height_f * current_width_f)
+        newline_features = int(current_height_f)
 
         return (unpadded_features, newline_features)
 

vllm/model_executor/models/llava_onevision.py

@@ -107,36 +107,37 @@ def _get_num_unpadded_features(
         num_patch_height: int,
         num_patch_width: int,
     ) -> tuple[int, int]:
-        current_height = npatches * num_patch_height
-        current_width = npatches * num_patch_width
-
         # NOTE: Use float32 to remain consistent with HF output
-        original_aspect_ratio = np.array(original_width / original_height,
-                                         dtype=np.float32)
-        current_aspect_ratio = np.array(current_width / current_height,
-                                        dtype=np.float32)
+        current_height_f = np.float32(npatches * num_patch_height)
+        current_width_f = np.float32(npatches * num_patch_width)
+
+        original_width_f = np.float32(original_width)
+        original_height_f = np.float32(original_height)
+
+        original_aspect_ratio = original_width_f / original_height_f
+        current_aspect_ratio = current_width_f / current_height_f
 
         if original_aspect_ratio > current_aspect_ratio:
-            scale_factor = np.array(current_width / original_width,
-                                    dtype=np.float32)
-            new_height = int(original_height * scale_factor)
-            padding = (current_height - new_height) // 2
-            current_height -= 2 * padding
+            scale_factor = current_width_f / original_width_f
+            new_height = int(original_height_f * scale_factor)
+            padding = (current_height_f - new_height) // 2
+            current_height_f -= 2 * padding
         else:
-            scale_factor = np.array(current_height / original_height,
-                                    dtype=np.float32)
-            new_width = int(original_width * scale_factor)
-            padding = (current_width - new_width) // 2
-            current_width -= 2 * padding
+            scale_factor = current_height_f / original_height_f
+            new_width = int(original_width_f * scale_factor)
+            padding = (current_width_f - new_width) // 2
+            current_width_f -= 2 * padding
 
-        unpadded_features = current_height * current_width
-        newline_features = current_height
+        unpadded_features = int(current_height_f * current_width_f)
+        newline_features = int(current_height_f)
 
-        ratio = math.sqrt(current_height * current_width / (9 * npatches**2))
+        ratio = math.sqrt(current_height_f * current_width_f /
+                          (9 * npatches**2))
         if ratio > 1.1:
-            unpadded_features = int(current_height // ratio) * int(
-                current_width // ratio)
-            newline_features = int(current_height // ratio)
+            height_factor = int(current_height_f // ratio)
+            width_factor = int(current_width_f // ratio)
+            unpadded_features = height_factor * width_factor
+            newline_features = height_factor
 
         return (unpadded_features, newline_features)