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storyteller-ml/tts/nemo/collections/asr/parts/utils/activations.py
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2022-02-28 05:43:54 -05:00

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# Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import torch.nn as nn
__all__ = ['Swish']
class Swish(nn.SiLU):
"""
Swish activation function introduced in 'https://arxiv.org/abs/1710.05941'
Mathematically identical to SiLU. See note in nn.SiLU for references.
"""