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- """
- Copyright 2020 Tianshu AI Platform. 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.
- =============================================================
- """
-
- class FeatureHook():
- def __init__(self, module):
- self.module = module
- self.feat_in = None
- self.feat_out = None
- self.register()
-
- def register(self):
- self._hook = self.module.register_forward_hook(self.hook_fn_forward)
-
- def remove(self):
- self._hook.remove()
-
- def hook_fn_forward(self, module, fea_in, fea_out):
- self.feat_in = fea_in[0]
- self.feat_out = fea_out
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