remove --no-enable-chunked-prefill of v1

vllm/config.py

@@ -419,10 +419,6 @@ class ModelConfig:
     override_attention_dtype: Optional[str] = None
     """Override dtype for attention"""
 
-    enable_chunked_prefill: Optional[bool] = None
-    """If True, prefill requests can be chunked based
-    on the remaining max_num_batched_tokens."""
-
     def compute_hash(self) -> str:
         """
         WARNING: Whenever a new field is added to this config,
@@ -452,7 +448,6 @@ class ModelConfig:
         factors.append(self.rope_theta)
         # hf_config can control how the model looks!
         factors.append(self.hf_config.to_json_string())
-        factors.append(self.enable_chunked_prefill)
         str_factors = str(factors)
         assert_hashable(str_factors)
         return hashlib.sha256(str(factors).encode()).hexdigest()

vllm/engine/arg_utils.py

@@ -1004,7 +1004,6 @@ class EngineArgs:
             enable_sleep_mode=self.enable_sleep_mode,
             model_impl=self.model_impl,
             override_attention_dtype=self.override_attention_dtype,
-            enable_chunked_prefill=self.enable_chunked_prefill,
         )
 
     def create_load_config(self) -> LoadConfig:
@@ -1594,9 +1593,6 @@ class EngineArgs:
         # For pooling tasks the default is False
         if model_config.runner_type != "pooling":
             self.enable_chunked_prefill = True
-            if model_config.enable_chunked_prefill is not None and \
-                model_config.enable_chunked_prefill is False:
-                self.enable_chunked_prefill = False
             if self.enable_prefix_caching is None:
                 self.enable_prefix_caching = True
         else:
@@ -1611,10 +1607,6 @@ class EngineArgs:
             action = "Enabling" if \
                 incremental_prefill_supported else "Disabling"
 
-            if model_config.enable_chunked_prefill is not None and \
-                model_config.enable_chunked_prefill is False:
-                self.enable_chunked_prefill = False
-
             if self.enable_chunked_prefill is None:
                 self.enable_chunked_prefill = incremental_prefill_supported
                 logger.info("(%s) chunked prefill by default", action)