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# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import importlib
import os
from fairseq import registry
from fairseq.optim.fairseq_optimizer import FairseqOptimizer
from fairseq.optim.fp16_optimizer import FP16Optimizer, MemoryEfficientFP16Optimizer
from fairseq.optim.bmuf import FairseqBMUF # noqa
__all__ = [
'FairseqOptimizer',
'FP16Optimizer',
'MemoryEfficientFP16Optimizer',
]
build_optimizer, register_optimizer, OPTIMIZER_REGISTRY = registry.setup_registry(
'--optimizer',
base_class=FairseqOptimizer,
default='nag',
)
# automatically import any Python files in the optim/ directory
for file in os.listdir(os.path.dirname(__file__)):
if file.endswith('.py') and not file.startswith('_'):
module = file[:file.find('.py')]
importlib.import_module('fairseq.optim.' + module)
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