wehub-resource-sync
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
# Copyright 2024 MIT Han Lab
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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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#
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# SPDX-License-Identifier: Apache-2.0
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from functools import partial
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from typing import Optional
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import torch.nn as nn
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from ...models.utils import build_kwargs_from_config
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__all__ = ["build_act"]
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# register activation function here
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REGISTERED_ACT_DICT: dict[str, type] = {
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"relu": nn.ReLU,
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"relu6": nn.ReLU6,
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"hswish": nn.Hardswish,
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"silu": nn.SiLU,
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"gelu": partial(nn.GELU, approximate="tanh"),
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}
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def build_act(name: str, **kwargs) -> Optional[nn.Module]:
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if name in REGISTERED_ACT_DICT:
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act_cls = REGISTERED_ACT_DICT[name]
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args = build_kwargs_from_config(kwargs, act_cls)
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return act_cls(**args)
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else:
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return None
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