mirror of
https://github.com/zebrajr/pytorch.git
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8286ce1e3a
Summary: Closes https://github.com/caffe2/caffe2/pull/1260 Differential Revision: D5906739 Pulled By: Yangqing fbshipit-source-id: e482ba9ba60b5337d9165f28f7ec68d4518a0902
64 lines
2.1 KiB
Python
64 lines
2.1 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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# Module caffe2.python.layers.dropout
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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 schema
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from caffe2.python.layers.layers import ModelLayer
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class Dropout(ModelLayer):
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def __init__(
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self,
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model,
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input_record,
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name='dropout',
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ratio=0.5,
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**kwargs):
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super(Dropout, self).__init__(model, name, input_record, **kwargs)
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assert isinstance(input_record, schema.Scalar), "Incorrect input type"
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assert (ratio >= 0 and ratio < 1.0), \
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"Expected 0 <= ratio < 1, but got ratio of %s" % ratio
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self.output_schema = input_record.clone_schema()
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self.output_schema.set_value(self.get_next_blob_reference('output'))
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self.ratio = ratio
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def _add_ops(self, net, is_test):
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input_blob = self.input_record.field_blobs()
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output_blobs = self.output_schema.field_blobs() \
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+ [net.NextScopedBlob('d_mask')]
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net.Dropout(input_blob,
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output_blobs,
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ratio=self.ratio,
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is_test=is_test)
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def add_train_ops(self, net):
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self._add_ops(net, is_test=False)
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def add_eval_ops(self, net):
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self._add_ops(net, is_test=True)
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def add_ops(self, net):
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self.add_eval_ops(net)
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