[core][misc] remove use_dummy driver for _run_workers (#10920)

Signed-off-by: youkaichao <youkaichao@gmail.com>

vllm/executor/ray_gpu_executor.py

@@ -188,8 +188,14 @@ class RayGPUExecutor(DistributedGPUExecutor):
         self.workers = sorted(self.workers, key=sort_by_driver_then_worker_ip)
 
         # Get the set of GPU IDs used on each node.
-        worker_node_and_gpu_ids = self._run_workers("get_node_and_gpu_ids",
-                                                    use_dummy_driver=True)
+        worker_node_and_gpu_ids = []
+        for worker in [self.driver_dummy_worker] + self.workers:
+            if worker is None:
+                # driver_dummy_worker can be None when using ray spmd worker.
+                continue
+            worker_node_and_gpu_ids.append(
+                ray.get(worker.get_node_and_gpu_ids.remote()) \
+            ) # type: ignore
 
         node_workers = defaultdict(list)  # node id -> list of worker ranks
         node_gpus = defaultdict(list)  # node id -> list of gpu ids
@@ -329,7 +335,6 @@ class RayGPUExecutor(DistributedGPUExecutor):
         async_run_tensor_parallel_workers_only: bool = False,
         all_args: Optional[List[Tuple[Any, ...]]] = None,
         all_kwargs: Optional[List[Dict[str, Any]]] = None,
-        use_dummy_driver: bool = False,
         max_concurrent_workers: Optional[int] = None,
         **kwargs,
     ) -> Any:
@@ -389,18 +394,10 @@ class RayGPUExecutor(DistributedGPUExecutor):
             driver_kwargs = kwargs if all_kwargs is None else all_kwargs[0]
 
             # Start the driver worker after all the ray workers.
-            if not use_dummy_driver:
             driver_worker_output = [
                 self.driver_worker.execute_method(method, *driver_args,
                                                   **driver_kwargs)
             ]
-            else:
-                assert self.driver_dummy_worker is not None
-                driver_worker_output = [
-                    ray.get(
-                        self.driver_dummy_worker.execute_method.remote(
-                            method, *driver_args, **driver_kwargs))
-                ]
 
         # Get the results of the ray workers.
         if self.workers:

vllm/executor/ray_hpu_executor.py

@@ -163,9 +163,14 @@ class RayHPUExecutor(DistributedGPUExecutor):
         # node will be placed first.
         self.workers = sorted(self.workers, key=sort_by_driver_then_worker_ip)
 
-        # Get the set of GPU IDs used on each node.
-        worker_node_and_gpu_ids = self._run_workers("get_node_and_gpu_ids",
-                                                    use_dummy_driver=True)
+        worker_node_and_gpu_ids = []
+        for worker in [self.driver_dummy_worker] + self.workers:
+            if worker is None:
+                # driver_dummy_worker can be None when using ray spmd worker.
+                continue
+            worker_node_and_gpu_ids.append(
+                ray.get(worker.get_node_and_gpu_ids.remote()) \
+            ) # type: ignore
 
         node_workers = defaultdict(list)  # node id -> list of worker ranks
         node_gpus = defaultdict(list)  # node id -> list of gpu ids
@@ -296,7 +301,6 @@ class RayHPUExecutor(DistributedGPUExecutor):
         async_run_tensor_parallel_workers_only: bool = False,
         all_args: Optional[List[Tuple[Any, ...]]] = None,
         all_kwargs: Optional[List[Dict[str, Any]]] = None,
-        use_dummy_driver: bool = False,
         max_concurrent_workers: Optional[int] = None,
         **kwargs,
     ) -> Any:
@@ -356,18 +360,10 @@ class RayHPUExecutor(DistributedGPUExecutor):
             driver_kwargs = kwargs if all_kwargs is None else all_kwargs[0]
 
             # Start the driver worker after all the ray workers.
-            if not use_dummy_driver:
             driver_worker_output = [
                 self.driver_worker.execute_method(method, *driver_args,
                                                   **driver_kwargs)
             ]
-            else:
-                assert self.driver_dummy_worker is not None
-                driver_worker_output = [
-                    ray.get(
-                        self.driver_dummy_worker.execute_method.remote(
-                            method, *driver_args, **driver_kwargs))
-                ]
 
         # Get the results of the ray workers.
         if self.workers:

vllm/executor/ray_tpu_executor.py

@@ -137,8 +137,14 @@ class RayTPUExecutor(TPUExecutor):
         self.workers = sorted(self.workers, key=sort_by_driver_then_worker_ip)
 
         # Get the set of TPU IDs used on each node.
-        worker_node_and_gpu_ids = self._run_workers("get_node_and_gpu_ids",
-                                                    use_dummy_driver=True)
+        worker_node_and_gpu_ids = []
+        for worker in [self.driver_dummy_worker] + self.workers:
+            if worker is None:
+                # driver_dummy_worker can be None when using ray spmd worker.
+                continue
+            worker_node_and_gpu_ids.append(
+                ray.get(worker.get_node_and_gpu_ids.remote()) \
+            ) # type: ignore
 
         node_workers = defaultdict(list)
         for i, (node_id, _) in enumerate(worker_node_and_gpu_ids):
@@ -199,7 +205,6 @@ class RayTPUExecutor(TPUExecutor):
         async_run_remote_workers_only: bool = False,
         all_args: Optional[List[Tuple[Any, ...]]] = None,
         all_kwargs: Optional[List[Dict[str, Any]]] = None,
-        use_dummy_driver: bool = False,
         max_concurrent_workers: Optional[int] = None,
         use_ray_compiled_dag: bool = False,
         **kwargs,
@@ -241,14 +246,8 @@ class RayTPUExecutor(TPUExecutor):
         driver_kwargs = kwargs if all_kwargs is None else all_kwargs[0]
 
         # Start the driver worker after all the ray workers.
-        if not use_dummy_driver:
         driver_worker_output = self.driver_worker.execute_method(
             method, *driver_args, **driver_kwargs)
-        else:
-            assert self.driver_dummy_worker is not None
-            driver_worker_output = ray.get(
-                self.driver_dummy_worker.execute_method.remote(
-                    method, *driver_args, **driver_kwargs))
         # Get the results of the ray workers.
         if self.workers:
             ray_worker_outputs = ray.get(ray_worker_outputs)

vllm/executor/ray_xpu_executor.py

 import asyncio
 from typing import List, Optional
 
+import ray
+
 import vllm.envs as envs
 from vllm.executor.ray_gpu_executor import RayGPUExecutor, RayGPUExecutorAsync
 from vllm.executor.xpu_executor import XPUExecutor
@@ -14,8 +16,13 @@ class RayXPUExecutor(RayGPUExecutor, XPUExecutor):
 
     def _get_env_vars_to_be_updated(self):
         # Get the set of GPU IDs used on each node.
-        worker_node_and_gpu_ids = self._run_workers("get_node_and_gpu_ids",
-                                                    use_dummy_driver=True)
+        worker_node_and_gpu_ids = []
+        for worker in [self.driver_dummy_worker] + self.workers:
+            if worker is None:
+                # driver_dummy_worker can be None when using ray spmd worker.
+                continue
+            worker_node_and_gpu_ids.append(
+                ray.get(worker.get_node_and_gpu_ids.remote()))  # type: ignore
 
         # Set environment variables for the driver and workers.
         all_args_to_update_environment_variables = [({