[3/N] model runner pass the whole config to model (vllm-project#9958)

Signed-off-by: youkaichao <[email protected]>
Signed-off-by: Sumit Dubey <[email protected]>

tests/lora/conftest.py

@@ -248,11 +248,10 @@ def llama_2_7b_engine_extra_embeddings():
     cleanup_dist_env_and_memory(shutdown_ray=True)
     get_model_old = get_model
 
-    def get_model_patched(*, model_config, device_config, **kwargs):
-        kwargs["lora_config"] = LoRAConfig(max_loras=4, max_lora_rank=8)
-        return get_model_old(model_config=model_config,
-                             device_config=device_config,
-                             **kwargs)
+    def get_model_patched(**kwargs):
+        kwargs["vllm_config"].lora_config = LoRAConfig(max_loras=4,
+                                                       max_lora_rank=8)
+        return get_model_old(**kwargs)
 
     with patch("vllm.worker.model_runner.get_model", get_model_patched):
         engine = vllm.LLM("meta-llama/Llama-2-7b-hf", enable_lora=False)

vllm/model_executor/model_loader/__init__.py

@@ -1,27 +1,15 @@
-from typing import Optional
-
 from torch import nn
 
-from vllm.config import (CacheConfig, DeviceConfig, LoadConfig, LoRAConfig,
-                         ModelConfig, ParallelConfig, SchedulerConfig)
+from vllm.config import VllmConfig
 from vllm.model_executor.model_loader.loader import (BaseModelLoader,
                                                      get_model_loader)
 from vllm.model_executor.model_loader.utils import (
     get_architecture_class_name, get_model_architecture)
 
 
-def get_model(*, model_config: ModelConfig, load_config: LoadConfig,
-              device_config: DeviceConfig, parallel_config: ParallelConfig,
-              scheduler_config: SchedulerConfig,
-              lora_config: Optional[LoRAConfig],
-              cache_config: CacheConfig) -> nn.Module:
-    loader = get_model_loader(load_config)
-    return loader.load_model(model_config=model_config,
-                             device_config=device_config,
-                             lora_config=lora_config,
-                             parallel_config=parallel_config,
-                             scheduler_config=scheduler_config,
-                             cache_config=cache_config)
+def get_model(*, vllm_config: VllmConfig) -> nn.Module:
+    loader = get_model_loader(vllm_config.load_config)
+    return loader.load_model(vllm_config=vllm_config)
 
 
 __all__ = [

vllm/model_executor/model_loader/loader.py

@@ -21,9 +21,9 @@
 from transformers import AutoModelForCausalLM, PretrainedConfig
 from transformers.utils import SAFE_WEIGHTS_INDEX_NAME
 
-from vllm.config import (CacheConfig, DeviceConfig, LoadConfig, LoadFormat,
-                         LoRAConfig, ModelConfig, MultiModalConfig,
-                         ParallelConfig, PoolerConfig, SchedulerConfig)
+from vllm.config import (CacheConfig, LoadConfig, LoadFormat, LoRAConfig,
+                         ModelConfig, MultiModalConfig, ParallelConfig,
+                         PoolerConfig, SchedulerConfig, VllmConfig)
 from vllm.distributed import (get_tensor_model_parallel_rank,
                               get_tensor_model_parallel_world_size)
 from vllm.envs import VLLM_USE_MODELSCOPE
@@ -150,6 +150,7 @@ def _get_model_initialization_kwargs(
 
 
 def build_model(model_class: Type[nn.Module],
+                vllm_config: VllmConfig,
                 hf_config: PretrainedConfig,
                 cache_config: Optional[CacheConfig],
                 quant_config: Optional[QuantizationConfig],
@@ -166,23 +167,29 @@ def build_model(model_class: Type[nn.Module],
     if prefix:
         extra_kwargs["prefix"] = prefix
 
+    # TODO: unify all the module initialization code
+    # to only take the `VllmConfig` object as input
+    from vllm.plugins import set_vllm_config
+    set_vllm_config(vllm_config)
+
     return model_class(config=hf_config,
                        cache_config=cache_config,
                        quant_config=quant_config,
                        **extra_kwargs)
 
 
-def _initialize_model(
-        model_config: ModelConfig,
-        load_config: LoadConfig,
-        lora_config: Optional[LoRAConfig],
-        cache_config: CacheConfig,
-        scheduler_config: Optional[SchedulerConfig] = None) -> nn.Module:
+def _initialize_model(vllm_config: VllmConfig) -> nn.Module:
     """Initialize a model with the given configurations."""
+    model_config = vllm_config.model_config
+    lora_config = vllm_config.lora_config
+    scheduler_config = vllm_config.scheduler_config
+    cache_config = vllm_config.cache_config
+    load_config = vllm_config.load_config
     model_class, _ = get_model_architecture(model_config)
 
     return build_model(
         model_class,
+        vllm_config,
         model_config.hf_config,
         cache_config=cache_config,
         quant_config=_get_quantization_config(model_config, load_config),
@@ -205,12 +212,7 @@ def download_model(self, model_config: ModelConfig) -> None:
         raise NotImplementedError
 
     @abstractmethod
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, *, vllm_config: VllmConfig) -> nn.Module:
         """Load a model with the given configurations."""
         raise NotImplementedError
 
@@ -396,18 +398,14 @@ def download_model(self, model_config: ModelConfig) -> None:
                               model_config.revision,
                               fall_back_to_pt=True)
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
+
         target_device = torch.device(device_config.device)
         with set_default_torch_dtype(model_config.dtype):
             with target_device:
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config,
-                                          scheduler_config)
+                model = _initialize_model(vllm_config=vllm_config)
 
             model.load_weights(self._get_all_weights(model_config, model))
 
@@ -436,17 +434,12 @@ def __init__(self, load_config: LoadConfig):
     def download_model(self, model_config: ModelConfig) -> None:
         pass  # Nothing to download
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config,
-                                          scheduler_config)
+                model = _initialize_model(vllm_config=vllm_config)
             # NOTE(woosuk): For accurate performance evaluation, we assign
             # random values to the weights.
             initialize_dummy_weights(model)
@@ -488,10 +481,7 @@ def _get_weights_iterator(
 
     def _load_model_serialized_cpu(
         self,
-        model_config: ModelConfig,
-        device_config: DeviceConfig,
-        lora_config: Optional[LoRAConfig],
-        cache_config: CacheConfig,
+        vllm_config: VllmConfig,
     ) -> nn.Module:
         """Load a serialized model with tensorizer to the CPU.
 
@@ -500,26 +490,30 @@ def _load_model_serialized_cpu(
         default HuggingFace loading, but will be slower than loading a
         vLLM-tensorized model.
         """
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config)
+                model = _initialize_model(vllm_config=vllm_config)
 
             model.load_weights(self._get_weights_iterator())
         return model.eval()
 
     def _load_model_serialized(
         self,
-        model_config: ModelConfig,
-        device_config: DeviceConfig,
-        lora_config: Optional[LoRAConfig],
-        cache_config: CacheConfig,
+        vllm_config: VllmConfig,
     ) -> nn.Module:
         """Load a serialized model with tensorizer.
 
         Expects a vLLM-tensorized model. See the
         examples/tensorize_vllm_model.py example script
         for serializing vLLM models."""
+
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
+        lora_config = vllm_config.lora_config
+        cache_config = vllm_config.cache_config
+
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
                 model_class = get_model_architecture(model_config)[0]
@@ -544,12 +538,9 @@ def download_model(self, model_config: ModelConfig) -> None:
         with self.tensorizer_config.open_stream():
             pass
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        model_config = vllm_config.model_config
+        parallel_config = vllm_config.parallel_config
         self._verify_config(model_config, parallel_config)
 
         if parallel_config.tensor_parallel_size > 1:
@@ -559,10 +550,8 @@ def load_model(self, *, model_config: ModelConfig,
                     % get_tensor_model_parallel_rank()
 
         if is_vllm_tensorized(self.tensorizer_config):
-            return self._load_model_serialized(model_config, device_config,
-                                               lora_config, cache_config)
-        return self._load_model_serialized_cpu(model_config, device_config,
-                                               lora_config, cache_config)
+            return self._load_model_serialized(vllm_config=vllm_config)
+        return self._load_model_serialized_cpu(vllm_config=vllm_config)
 
     @staticmethod
     def save_model(
@@ -648,12 +637,9 @@ def _prepare_weights(self, model_name_or_path: str,
     def download_model(self, model_config: ModelConfig) -> None:
         self._prepare_weights(model_config.model, model_config.revision)
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
         from safetensors.torch import safe_open
 
         from vllm.distributed import get_tensor_model_parallel_rank
@@ -663,8 +649,7 @@ def load_model(self, *, model_config: ModelConfig,
 
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config)
+                model = _initialize_model(vllm_config=vllm_config)
                 for _, module in model.named_modules():
                     quant_method = getattr(module, "quant_method", None)
                     if quant_method is not None:
@@ -1157,16 +1142,12 @@ def _load_weights(self, model_config: ModelConfig,
     def download_model(self, model_config: ModelConfig) -> None:
         self._prepare_weights(model_config.model, model_config.revision)
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config)
+                model = _initialize_model(vllm_config=vllm_config)
 
                 self._load_weights(model_config, model)
 
@@ -1235,13 +1216,9 @@ def _get_weights_iterator(
     def download_model(self, model_config: ModelConfig) -> None:
         self._prepare_weights(model_config.model)
 
-    def load_model(self, *, model_config: ModelConfig,
-                   device_config: DeviceConfig,
-                   lora_config: Optional[LoRAConfig],
-                   parallel_config: ParallelConfig,
-                   scheduler_config: SchedulerConfig,
-                   cache_config: CacheConfig) -> nn.Module:
-
+    def load_model(self, vllm_config: VllmConfig) -> nn.Module:
+        device_config = vllm_config.device_config
+        model_config = vllm_config.model_config
         local_model_path = self._prepare_weights(model_config.model)
         gguf_weights_map = self._get_gguf_weights_map(model_config)
         # we can only know if tie word embeddings after mapping weights
@@ -1251,8 +1228,7 @@ def load_model(self, *, model_config: ModelConfig,
 
         with set_default_torch_dtype(model_config.dtype):
             with torch.device(device_config.device):
-                model = _initialize_model(model_config, self.load_config,
-                                          lora_config, cache_config)
+                model = _initialize_model(vllm_config=vllm_config)
             model.load_weights(
                 self._get_weights_iterator(local_model_path, gguf_weights_map))
         return model

vllm/plugins/__init__.py

@@ -1,8 +1,14 @@
 import logging
-from typing import Callable, Optional, Union
+from typing import TYPE_CHECKING, Callable, Optional, Union
 
 import vllm.envs as envs
-from vllm.compilation.config import CompilationConfig
+
+if TYPE_CHECKING:
+    from vllm.compilation.config import CompilationConfig
+    from vllm.config import VllmConfig
+else:
+    CompilationConfig = None
+    VllmConfig = None
 
 logger = logging.getLogger(__name__)
 
@@ -55,3 +61,15 @@ def set_compilation_config(config: Optional[CompilationConfig]):
 
 def get_compilation_config() -> Optional[CompilationConfig]:
     return _compilation_config
+
+
+_vllm_config: Optional[VllmConfig] = None
+
+
+def set_vllm_config(config: Optional[VllmConfig]):
+    global _vllm_config
+    _vllm_config = config
+
+
+def get_vllm_config() -> Optional[VllmConfig]:
+    return _vllm_config

vllm/v1/worker/gpu_model_runner.py

@@ -369,13 +369,7 @@ def load_model(self) -> None:
         logger.info("Starting to load model %s...", self.model_config.model)
         with DeviceMemoryProfiler() as m:  # noqa: SIM117
             with patch("vllm.model_executor.layers.sampler.Sampler", Sampler):
-                self.model = get_model(model_config=self.model_config,
-                                       device_config=self.device_config,
-                                       load_config=self.load_config,
-                                       lora_config=self.lora_config,
-                                       parallel_config=self.parallel_config,
-                                       scheduler_config=self.scheduler_config,
-                                       cache_config=self.cache_config)
+                self.model = get_model(vllm_config=self.vllm_config)
 
         self.model_memory_usage = m.consumed_memory
         logger.info("Loading model weights took %.4f GB",

vllm/worker/cpu_model_runner.py

@@ -453,13 +453,7 @@ def model_is_mrope(self) -> bool:
         return uses_mrope(self.model_config.hf_config)
 
     def load_model(self) -> None:
-        self.model = get_model(model_config=self.model_config,
-                               load_config=self.load_config,
-                               device_config=self.device_config,
-                               lora_config=self.lora_config,
-                               parallel_config=self.parallel_config,
-                               scheduler_config=self.scheduler_config,
-                               cache_config=self.cache_config)
+        self.model = get_model(vllm_config=self.vllm_config)
 
     def make_model_input_from_broadcasted_tensor_dict(
         self,

vllm/worker/model_runner.py

@@ -1051,13 +1051,7 @@ def __init__(
     def load_model(self) -> None:
         logger.info("Starting to load model %s...", self.model_config.model)
         with DeviceMemoryProfiler() as m:
-            self.model = get_model(model_config=self.model_config,
-                                   device_config=self.device_config,
-                                   load_config=self.load_config,
-                                   lora_config=self.lora_config,
-                                   parallel_config=self.parallel_config,
-                                   scheduler_config=self.scheduler_config,
-                                   cache_config=self.cache_config)
+            self.model = get_model(vllm_config=self.vllm_config)
 
         self.model_memory_usage = m.consumed_memory
         logger.info("Loading model weights took %.4f GB",