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8286ce1e3a
Summary: Closes https://github.com/caffe2/caffe2/pull/1260 Differential Revision: D5906739 Pulled By: Yangqing fbshipit-source-id: e482ba9ba60b5337d9165f28f7ec68d4518a0902
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# Copyright (c) 2016-present, Facebook, Inc.
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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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# @package regularizer_context
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# Module caffe2.python.regularizer_context
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from caffe2.python import context
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from caffe2.python.modifier_context import (
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ModifierContext, UseModifierBase)
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@context.define_context(allow_default=True)
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class RegularizerContext(ModifierContext):
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"""
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provide context to allow param_info to have different regularizers
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"""
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def has_regularizer(self, name):
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return self._has_modifier(name)
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def get_regularizer(self, name):
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assert self.has_regularizer(name), (
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"{} regularizer is not provided!".format(name))
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return self._get_modifier(name)
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class UseRegularizer(UseModifierBase):
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'''
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context class to allow setting the current context.
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Example useage with layer:
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regularizers = {'reg1': reg1, 'reg2': reg2}
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with Regularizers(regularizers):
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reg = RegularizerContext.current().get_regularizer('reg1')
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layer(reg=reg)
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'''
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def _context_class(self):
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return RegularizerContext
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