Fix GLM-4.5V-FP8 numerical issue (#22949)

Signed-off-by: qizixi <qizixi@meta.com>
Co-authored-by: Cyrus Leung <tlleungac@connect.ust.hk>

examples/offline_inference/vision_language.py

@@ -333,6 +333,80 @@ def run_glm4_1v(questions: list[str], modality: str) -> ModelRequestData:
     )
 
 
+# GLM-4.5V
+def run_glm4_5v(questions: list[str], modality: str) -> ModelRequestData:
+    model_name = "zai-org/GLM-4.5V"
+
+    engine_args = EngineArgs(
+        model=model_name,
+        max_model_len=4096,
+        max_num_seqs=2,
+        mm_processor_kwargs={
+            "size": {"shortest_edge": 12544, "longest_edge": 47040000},
+            "fps": 1,
+        },
+        limit_mm_per_prompt={modality: 1},
+        enforce_eager=True,
+        tensor_parallel_size=4,
+    )
+
+    if modality == "image":
+        placeholder = "<|begin_of_image|><|image|><|end_of_image|>"
+    elif modality == "video":
+        placeholder = "<|begin_of_video|><|video|><|end_of_video|>"
+
+    prompts = [
+        (
+            "[gMASK]<sop><|system|>\nYou are a helpful assistant.<|user|>\n"
+            f"{placeholder}"
+            f"{question}<|assistant|>assistant\n"
+        )
+        for question in questions
+    ]
+
+    return ModelRequestData(
+        engine_args=engine_args,
+        prompts=prompts,
+    )
+
+
+# GLM-4.5V-FP8
+def run_glm4_5v_fp8(questions: list[str], modality: str) -> ModelRequestData:
+    model_name = "zai-org/GLM-4.5V-FP8"
+
+    engine_args = EngineArgs(
+        model=model_name,
+        max_model_len=4096,
+        max_num_seqs=2,
+        mm_processor_kwargs={
+            "size": {"shortest_edge": 12544, "longest_edge": 47040000},
+            "fps": 1,
+        },
+        limit_mm_per_prompt={modality: 1},
+        enforce_eager=True,
+        tensor_parallel_size=4,
+    )
+
+    if modality == "image":
+        placeholder = "<|begin_of_image|><|image|><|end_of_image|>"
+    elif modality == "video":
+        placeholder = "<|begin_of_video|><|video|><|end_of_video|>"
+
+    prompts = [
+        (
+            "[gMASK]<sop><|system|>\nYou are a helpful assistant.<|user|>\n"
+            f"{placeholder}"
+            f"{question}<|assistant|>assistant\n"
+        )
+        for question in questions
+    ]
+
+    return ModelRequestData(
+        engine_args=engine_args,
+        prompts=prompts,
+    )
+
+
 # H2OVL-Mississippi
 def run_h2ovl(questions: list[str], modality: str) -> ModelRequestData:
     assert modality == "image"
@@ -383,8 +457,8 @@ def run_hyperclovax_seed_vision(
     for question in questions:
         if modality == "image":
             """
-            ocr: List the words in the image in raster order. 
+            ocr: List the words in the image in raster order.
-                Even if the word order feels unnatural for reading, 
+                Even if the word order feels unnatural for reading,
                 the model will handle it as long as it follows raster order.
                 e.g. "Naver, CLOVA, bigshane"
             lens_keywords: List the entity names in the image.
@@ -1448,6 +1522,8 @@ model_example_map = {
     "gemma3n": run_gemma3n,
     "glm4v": run_glm4v,
     "glm4_1v": run_glm4_1v,
+    "glm4_5v": run_glm4_5v,
+    "glm4_5v_fp8": run_glm4_5v_fp8,
     "h2ovl_chat": run_h2ovl,
     "hyperclovax_seed_vision": run_hyperclovax_seed_vision,
     "idefics3": run_idefics3,

examples/offline_inference/vision_language_multi_image.py

@@ -1064,6 +1064,76 @@ def load_tarsier2(question: str, image_urls: list[str]) -> ModelRequestData:
     )
 
 
+# GLM-4.5V
+def load_glm4_5v(question: str, image_urls: list[str]) -> ModelRequestData:
+    model_name = "zai-org/GLM-4.5V"
+
+    engine_args = EngineArgs(
+        model=model_name,
+        max_model_len=32768,
+        max_num_seqs=2,
+        limit_mm_per_prompt={"image": len(image_urls)},
+        enforce_eager=True,
+        tensor_parallel_size=4,
+    )
+    placeholders = [{"type": "image", "image": url} for url in image_urls]
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                *placeholders,
+                {"type": "text", "text": question},
+            ],
+        }
+    ]
+    processor = AutoProcessor.from_pretrained(model_name)
+    prompt = processor.apply_chat_template(
+        messages, tokenize=False, add_generation_prompt=True
+    )
+    image_data = [fetch_image(url) for url in image_urls]
+
+    return ModelRequestData(
+        engine_args=engine_args,
+        prompt=prompt,
+        image_data=image_data,
+    )
+
+
+# GLM-4.5V-FP8
+def load_glm4_5v_fp8(question: str, image_urls: list[str]) -> ModelRequestData:
+    model_name = "zai-org/GLM-4.5V-FP8"
+
+    engine_args = EngineArgs(
+        model=model_name,
+        max_model_len=32768,
+        max_num_seqs=2,
+        limit_mm_per_prompt={"image": len(image_urls)},
+        enforce_eager=True,
+        tensor_parallel_size=4,
+    )
+    placeholders = [{"type": "image", "image": url} for url in image_urls]
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                *placeholders,
+                {"type": "text", "text": question},
+            ],
+        }
+    ]
+    processor = AutoProcessor.from_pretrained(model_name)
+    prompt = processor.apply_chat_template(
+        messages, tokenize=False, add_generation_prompt=True
+    )
+    image_data = [fetch_image(url) for url in image_urls]
+
+    return ModelRequestData(
+        engine_args=engine_args,
+        prompt=prompt,
+        image_data=image_data,
+    )
+
+
 model_example_map = {
     "aria": load_aria,
     "aya_vision": load_aya_vision,
@@ -1096,6 +1166,8 @@ model_example_map = {
     "step3": load_step3,
     "tarsier": load_tarsier,
     "tarsier2": load_tarsier2,
+    "glm4_5v": load_glm4_5v,
+    "glm4_5v_fp8": load_glm4_5v_fp8,
 }
 
 

vllm/model_executor/models/glm4_1v.py

@@ -126,7 +126,7 @@ class Glm4vVideoPixelInputs(TensorSchema):
         - ctpp: Number of channels * temporal_patch_size *
             patch_size * patch_size
         - f: Number of frames
-        - g: Grid dimensions (3 for grid_t which is usually 1 for processed 
+        - g: Grid dimensions (3 for grid_t which is usually 1 for processed
           video, grid_h, grid_w)
     """
     type: Literal["pixel_values_videos"] = "pixel_values_videos"
@@ -141,7 +141,7 @@ class Glm4vVideoEmbeddingInputs(TensorSchema):
         - p: Number of video patches across all frames
         - h: Hidden size (must match language model backbone)
         - f: Number of frames
-        - g: Grid dimensions (3 for grid_t which is usually 1 for processed 
+        - g: Grid dimensions (3 for grid_t which is usually 1 for processed
           video, grid_h, grid_w)
     """
     type: Literal["video_embeds"] = "video_embeds"
@@ -234,7 +234,8 @@ class Glm4vVisionAttention(nn.Module):
             total_num_kv_heads=num_heads,
             bias=False,
             quant_config=quant_config,
-            prefix=f"{prefix}.qkv",
+            # Change qkv prefix to align with GLM-4.5V-FP8 quantization config
+            prefix=f"{prefix}.qkv_proj" if quant_config else f"{prefix}.qkv",
         )
         self.proj = RowParallelLinear(
             input_size=projection_size,