resolve the issue of requiring HIP_VISIBLEDEVICES to be set in order to run multiple cards

vllm/executor/mp_distributed_executor.py

@@ -48,10 +48,13 @@ class MultiprocessingDistributedExecutor(DistributedExecutorBase):
                 f"is less than than max local gpu count ({cuda_device_count})")
 
         # Set CUDA_VISIBLE_DEVICES for the driver, inherited by workers
-        if "CUDA_VISIBLE_DEVICES" not in os.environ:
+        if "CUDA_VISIBLE_DEVICES" or "HIP_VISIBLE_DEVICES" not in os.environ:
             update_environment_variables({
                 "CUDA_VISIBLE_DEVICES": (",".join(map(str, range(world_size))))
             })
+            update_environment_variables({
+                "HIP_VISIBLE_DEVICES": (",".join(map(str, range(world_size))))
+            })
 
     def _init_executor(self) -> None: