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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
# Copyright 2024 Bytedance Ltd. and/or its affiliates
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import ray
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@ray.remote
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class TestWorker:
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def __init__(self, rank, world_size, group_name):
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self.rank = rank
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self.world_size = world_size
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self.group_name = group_name
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self.communicator = None
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def init(self):
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from verl.utils.rendezvous.ray_backend import create_nccl_communicator_in_ray
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self.communicator = create_nccl_communicator_in_ray(self.rank, self.world_size, self.group_name)
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def test(self):
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if self.communicator is None:
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return None
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return self.communicator.rank_id()
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def test_rvdz():
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ray.init()
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group_name = "test_group"
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world_size = 2
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workers = [TestWorker.options(num_gpus=1).remote(rank, world_size, group_name) for rank in range(world_size)]
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ray.get([worker.init.remote() for worker in workers])
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ranks = ray.get([worker.test.remote() for worker in workers])
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assert ranks == [0, 1], f"expecting [0, 1], got {ranks}"
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ray.shutdown()
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