63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
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# Copyright The PyTorch Lightning team.
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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 logging
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import os
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from pytorch_lightning.plugins.environments.cluster_environment import ClusterEnvironment
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log = logging.getLogger(__name__)
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class BaguaEnvironment(ClusterEnvironment):
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"""Environment for distributed training with `Bagua <https://tutorials.baguasys.com/>`_"""
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@property
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def creates_processes_externally(self) -> bool:
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return True
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@property
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def main_address(self) -> str:
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return os.environ.get("MASTER_ADDR", "127.0.0.1")
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@property
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def main_port(self) -> int:
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return int(os.environ.get("MASTER_PORT", -1))
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@property
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def service_port(self) -> int:
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return int(os.environ.get("BAGUA_SERVICE_PORT", -1))
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@staticmethod
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def detect() -> bool:
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return "BAGUA_SERVICE_PORT" in os.environ
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def world_size(self) -> int:
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return int(os.environ["WORLD_SIZE"])
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def set_world_size(self, size: int) -> None:
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log.debug("`BaguaEnvironment.set_world_size` was called, but setting world size is not allowed. Ignored.")
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def global_rank(self) -> int:
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return int(os.environ["RANK"])
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def set_global_rank(self, rank: int) -> None:
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log.debug("`BaguaEnvironment.set_global_rank` was called, but setting global rank is not allowed. Ignored.")
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def local_rank(self) -> int:
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return int(os.environ.get("LOCAL_RANK", 0))
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def node_rank(self) -> int:
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return int(os.environ.get("NODE_RANK", 0))
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