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[Bugfix] Fix MultiprocessingGPUExecutor.check_health when world_size == 1 (#5254)

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Junichi Sato 2024-06-12 02:38:07 +09:00 committed by GitHub
parent 89ec06c33b
commit 2e02311a1b
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1 changed files with 3 additions and 1 deletions
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4
vllm/executor/multiproc_gpu_executor.py
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@ -46,6 +46,7 @@ class MultiprocessingGPUExecutor(DistributedGPUExecutor):
if world_size == 1:
self.workers = []
self.worker_monitor = None
else:
result_handler = ResultHandler()
self.workers = [
@ -127,7 +128,8 @@ class MultiprocessingGPUExecutor(DistributedGPUExecutor):
def check_health(self) -> None:
"""Raises an error if engine is unhealthy."""
if not self.worker_monitor.is_alive():
if self.worker_monitor is not None and not self.worker_monitor.is_alive(
):
raise RuntimeError("Worker processes are not running")
def _wait_for_tasks_completion(self, parallel_worker_tasks: Any) -> None: