43 lines
1.6 KiB
43 lines
1.6 KiB
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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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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from .trainer_desc import MultiTrainer, DistMultiTrainer
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from .device_worker import Hogwild, DownpourSGD
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__all__ = ["TrainerFactory"]
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class TrainerFactory(object):
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def __init__(self):
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pass
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def _create_trainer(self, opt_info=None):
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trainer = None
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device_worker = None
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if opt_info == None:
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# default is MultiTrainer + Hogwild
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trainer = MultiTrainer()
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device_worker = Hogwild()
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trainer._set_device_worker(device_worker)
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else:
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trainer_class = opt_info["trainer"]
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device_worker_class = opt_info["device_worker"]
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trainer = globals()[trainer_class]()
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device_worker = globals()[device_worker_class]()
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device_worker._set_fleet_desc(opt_info["fleet_desc"])
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trainer._set_device_worker(device_worker)
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trainer._set_fleet_desc(opt_info["fleet_desc"])
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trainer._set_use_cvm(opt_info["use_cvm"])
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return trainer
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