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85 lines
2.6 KiB
85 lines
2.6 KiB
# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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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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from __future__ import print_function
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import unittest
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import numpy as np
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import six
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from op_test import OpTest, skip_check_grad_ci
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class PReluTest(OpTest):
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def setUp(self):
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self.init_input_shape()
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self.init_attr()
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self.op_type = "prelu"
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x_np = np.random.uniform(-1, 1, self.x_shape)
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# Since zero point in prelu is not differentiable, avoid randomize
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# zero.
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x_np[np.abs(x_np) < 0.005] = 0.02
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if self.attrs == {'mode': "all"}:
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alpha_np = np.random.uniform(-1, -0.5, (1))
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elif self.attrs == {'mode': "channel"}:
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alpha_np = np.random.uniform(-1, -0.5, (1, x_np.shape[1], 1, 1))
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else:
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alpha_np = np.random.uniform(-1, -0.5, \
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(1, x_np.shape[1], x_np.shape[2], x_np.shape[3]))
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self.inputs = {'X': x_np, 'Alpha': alpha_np}
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out_np = np.maximum(self.inputs['X'], 0.)
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out_np = out_np + np.minimum(self.inputs['X'],
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0.) * self.inputs['Alpha']
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assert out_np is not self.inputs['X']
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self.outputs = {'Out': out_np}
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def init_input_shape(self):
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self.x_shape = (2, 100, 3, 4)
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def init_attr(self):
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self.attrs = {'mode': "channel"}
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def test_check_output(self):
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self.check_output()
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def test_check_grad(self):
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self.check_grad(['X', 'Alpha'], 'Out')
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# TODO(minqiyang): Resume these test cases after fixing Python3 CI job issues
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if six.PY2:
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@skip_check_grad_ci(
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reason="[skip shape check] Input(Alpha) must be 1-D and only has one data in 'all' mode"
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)
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class TestModeAll(PReluTest):
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def init_input_shape(self):
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self.x_shape = (2, 3, 4, 5)
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def init_attr(self):
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self.attrs = {'mode': "all"}
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class TestModeElt(PReluTest):
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def init_input_shape(self):
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self.x_shape = (3, 2, 5, 10)
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def init_attr(self):
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self.attrs = {'mode': "element"}
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if __name__ == "__main__":
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unittest.main()
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