test_conv2d_transpose_op.py 6.8 KB
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#   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");
# you may not use this file except in compliance with the License.
# 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
# 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.

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import unittest
import numpy as np
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import paddle.fluid.core as core
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from op_test import OpTest


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def conv2dtranspose_forward_naive(input_, filter_, attrs):
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    in_n, in_c, in_h, in_w = input_.shape
    f_c, out_c, f_h, f_w = filter_.shape
    assert in_c == f_c

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    stride, pad, dilations = attrs['strides'], attrs['paddings'], attrs[
        'dilations']
    d_bolck_h = dilations[0] * (f_h - 1) + 1
    d_bolck_w = dilations[1] * (f_w - 1) + 1
    out_h = (in_h - 1) * stride[0] + d_bolck_h
    out_w = (in_w - 1) * stride[1] + d_bolck_w
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    out = np.zeros((in_n, out_c, out_h, out_w))

    for n in range(in_n):
        for i in range(in_h):
            for j in range(in_w):
                input_masked = input_[n, :, i, j]  # (c)
                input_masked = np.reshape(input_masked, (in_c, 1, 1))
                input_masked = np.tile(input_masked, (1, f_h, f_w))

                for k in range(out_c):
                    tmp_out = np.sum(input_masked * filter_[:, k, :, :], axis=0)
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                    i1, i2 = i * stride[0], i * stride[0] + d_bolck_h
                    j1, j2 = j * stride[0], j * stride[0] + d_bolck_h
                    out[n, k, i1:i2:dilations[0], j1:j2:dilations[1]] += tmp_out
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    out = out[:, :, pad[0]:out_h - pad[0], pad[1]:out_w - pad[1]]
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    return out


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class TestConv2dTransposeOp(OpTest):
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    def setUp(self):
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        # init as conv transpose
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        self.use_cudnn = False
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        self.init_op_type()
        self.init_test_case()

        input_ = np.random.random(self.input_size).astype("float32")
        filter_ = np.random.random(self.filter_size).astype("float32")

        self.inputs = {'Input': input_, 'Filter': filter_}
        self.attrs = {
            'strides': self.stride,
            'paddings': self.pad,
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            'dilations': self.dilations,
            'use_cudnn': self.use_cudnn,
            'data_format': 'AnyLayout'  # TODO(dzhwinter) : should be fix latter
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        }
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        output = conv2dtranspose_forward_naive(input_, filter_,
                                               self.attrs).astype('float32')

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        self.outputs = {'Output': output}

    def test_check_output(self):
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        if self.use_cudnn:
            place = core.CUDAPlace(0)
            self.check_output_with_place(place, atol=1e-5)
        else:
            self.check_output()
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    def test_check_grad_no_input(self):
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        if self.use_cudnn:
            place = core.CUDAPlace(0)
            self.check_grad_with_place(
                place, ['Filter'],
                'Output',
                max_relative_error=0.02,
                no_grad_set=set(['Input']))
        else:
            self.check_grad(
                ['Filter'],
                'Output',
                max_relative_error=0.02,
                no_grad_set=set(['Input']))
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    def test_check_grad_no_filter(self):
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        if self.use_cudnn:
            place = core.CUDAPlace(0)
            self.check_grad_with_place(
                place, ['Input'],
                'Output',
                max_relative_error=0.02,
                no_grad_set=set(['Filter']))
        else:
            self.check_grad(
                ['Input'],
                'Output',
                max_relative_error=0.02,
                no_grad_set=set(['Filter']))
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    def test_check_grad(self):
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        if self.use_cudnn:
            place = core.CUDAPlace(0)
            self.check_grad_with_place(
                place,
                set(['Input', 'Filter']),
                'Output',
                max_relative_error=0.02)
        else:
            self.check_grad(
                set(['Input', 'Filter']), 'Output', max_relative_error=0.02)
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    def init_test_case(self):
        self.pad = [0, 0]
        self.stride = [1, 1]
        self.dilations = [1, 1]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]

    def init_op_type(self):
        self.op_type = "conv2d_transpose"
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class TestWithPad(TestConv2dTransposeOp):
    def init_test_case(self):
        self.pad = [1, 1]
        self.stride = [1, 1]
        self.dilations = [1, 1]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]


class TestWithStride(TestConv2dTransposeOp):
    def init_test_case(self):
        self.pad = [1, 1]
        self.stride = [2, 2]
        self.dilations = [1, 1]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]


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class TestWithDilation(TestConv2dTransposeOp):
    def init_test_case(self):
        self.pad = [1, 1]
        self.stride = [1, 1]
        self.dilations = [2, 2]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]


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# ------------ test_cudnn ------------
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class TestCUDNN(TestConv2dTransposeOp):
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    def init_op_type(self):
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        self.use_cudnn = True
        self.op_type = "conv2d_transpose"
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class TestCUDNNWithPad(TestWithPad):
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    def init_test_case(self):
        self.pad = [1, 1]
        self.stride = [1, 1]
        self.dilations = [1, 1]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]

    def init_op_type(self):
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        self.use_cudnn = True
        self.op_type = "conv2d_transpose"
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class TestCUDNNWithStride(TestWithStride):
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    def init_test_case(self):
        self.pad = [1, 1]
        self.stride = [2, 2]
        self.dilations = [1, 1]
        self.input_size = [2, 3, 5, 5]  # NCHW
        f_c = self.input_size[1]
        self.filter_size = [f_c, 6, 3, 3]

    def init_op_type(self):
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        self.use_cudnn = True
        self.op_type = "conv2d_transpose"
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# Please Don't remove the following code.
# Currently, CI use cudnn V5.0 which not support dilation conv.
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# class TestCUDNNWithDilation(TestWithDilation):
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#     def init_test_case(self):
#         self.pad = [1, 1]
#         self.stride = [2, 2]
#         self.dilations = [2, 2]
#         self.input_size = [2, 3, 5, 5]  # NCHW
#         f_c = self.input_size[1]
#         self.filter_size = [f_c, 6, 3, 3]
#
#     def init_op_type(self):
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#         self.op_type = "conv2d_transpose"
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if __name__ == '__main__':
    unittest.main()