[Misc] Remove deprecated arg for cuda graph capture (vllm-project#9864)

Signed-off-by: Roger Wang <[email protected]>

Author: ywang96

vllm/config.py

@@ -84,9 +84,6 @@ class ModelConfig:
             disable CUDA graph and always execute the model in eager mode.
             If False, we will use CUDA graph and eager execution in hybrid.
             If None, the user did not specify, so default to False.
-        max_context_len_to_capture: Maximum context len covered by CUDA graphs.
-            When a sequence has context length larger than this, we fall back
-            to eager mode (DEPRECATED. Use max_seq_len_to_capture instead).
         max_seq_len_to_capture: Maximum sequence len covered by CUDA graphs.
             When a sequence has context length larger than this, we fall back
             to eager mode. Additionally for encoder-decoder models, if the
@@ -147,7 +144,6 @@ def __init__(
             quantization: Optional[str] = None,
             quantization_param_path: Optional[str] = None,
             enforce_eager: Optional[bool] = None,
-            max_context_len_to_capture: Optional[int] = None,
             max_seq_len_to_capture: Optional[int] = None,
             max_logprobs: int = 20,
             disable_sliding_window: bool = False,
@@ -181,9 +177,6 @@ def __init__(
         self.quantization = quantization
         self.quantization_param_path = quantization_param_path
         self.enforce_eager = enforce_eager
-        if max_context_len_to_capture is not None:
-            raise ValueError("`max_context_len_to_capture` is deprecated. "
-                             "Use `max_seq_len_to_capture` instead.")
         self.max_seq_len_to_capture = max_seq_len_to_capture
         self.max_logprobs = max_logprobs
         self.disable_sliding_window = disable_sliding_window

vllm/engine/arg_utils.py

@@ -126,7 +126,6 @@ class EngineArgs:
     tokenizer_revision: Optional[str] = None
     quantization: Optional[str] = None
     enforce_eager: Optional[bool] = None
-    max_context_len_to_capture: Optional[int] = None
     max_seq_len_to_capture: int = 8192
     disable_custom_all_reduce: bool = False
     tokenizer_pool_size: int = 0
@@ -504,14 +503,6 @@ def add_cli_args(parser: FlexibleArgumentParser) -> FlexibleArgumentParser:
                             help='Always use eager-mode PyTorch. If False, '
                             'will use eager mode and CUDA graph in hybrid '
                             'for maximal performance and flexibility.')
-        parser.add_argument('--max-context-len-to-capture',
-                            type=int,
-                            default=EngineArgs.max_context_len_to_capture,
-                            help='Maximum context length covered by CUDA '
-                            'graphs. When a sequence has context length '
-                            'larger than this, we fall back to eager mode. '
-                            '(DEPRECATED. Use --max-seq-len-to-capture instead'
-                            ')')
         parser.add_argument('--max-seq-len-to-capture',
                             type=int,
                             default=EngineArgs.max_seq_len_to_capture,
@@ -939,7 +930,6 @@ def create_model_config(self) -> ModelConfig:
             quantization=self.quantization,
             quantization_param_path=self.quantization_param_path,
             enforce_eager=self.enforce_eager,
-            max_context_len_to_capture=self.max_context_len_to_capture,
             max_seq_len_to_capture=self.max_seq_len_to_capture,
             max_logprobs=self.max_logprobs,
             disable_sliding_window=self.disable_sliding_window,

vllm/entrypoints/llm.py

@@ -93,9 +93,6 @@ class LLM:
         enforce_eager: Whether to enforce eager execution. If True, we will
             disable CUDA graph and always execute the model in eager mode.
             If False, we will use CUDA graph and eager execution in hybrid.
-        max_context_len_to_capture: Maximum context len covered by CUDA graphs.
-            When a sequence has context length larger than this, we fall back
-            to eager mode (DEPRECATED. Use `max_seq_len_to_capture` instead).
         max_seq_len_to_capture: Maximum sequence len covered by CUDA graphs.
             When a sequence has context length larger than this, we fall back
             to eager mode. Additionally for encoder-decoder models, if the
@@ -152,7 +149,6 @@ def __init__(
         swap_space: float = 4,
         cpu_offload_gb: float = 0,
         enforce_eager: Optional[bool] = None,
-        max_context_len_to_capture: Optional[int] = None,
         max_seq_len_to_capture: int = 8192,
         disable_custom_all_reduce: bool = False,
         disable_async_output_proc: bool = False,
@@ -193,7 +189,6 @@ def __init__(
             swap_space=swap_space,
             cpu_offload_gb=cpu_offload_gb,
             enforce_eager=enforce_eager,
-            max_context_len_to_capture=max_context_len_to_capture,
             max_seq_len_to_capture=max_seq_len_to_capture,
             disable_custom_all_reduce=disable_custom_all_reduce,
             disable_async_output_proc=disable_async_output_proc,

vllm/worker/model_runner.py

@@ -995,7 +995,7 @@ def __init__(
         # Python can be expensive. To optimize this, we cache the block table
         # in numpy and only copy the actual input content at every iteration.
         # The shape of the cached block table will be
-        # (max batch size to capture, max context len to capture / block size).
+        # (max batch size to capture, max seq len to capture / block size).
         self.graph_block_tables = np.zeros(
             (self.max_batchsize_to_capture, self.get_max_block_per_batch()),
             dtype=np.int32)