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Paddle/python/paddle/fluid/tests/unittests/test_seq_conv.py

213 lines
7.4 KiB

# Copyright (c) 2018 PaddlePaddle Authors. 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.
import unittest
import numpy as np
import random
from op_test import OpTest
class TestSeqProject(OpTest):
def setUp(self):
self.init_test_case()
self.op_type = 'sequence_conv'
if self.context_length == 1 \
and self.context_start == 0 \
and self.padding_trainable:
print "If context_start is 0 " \
"and context_length is 1," \
" padding_trainable should be false."
return
# one level, batch size
x = np.random.uniform(0.1, 1, [self.input_size[0],
self.input_size[1]]).astype('float32')
w = np.random.uniform(0.1, 1, [
self.context_length * self.input_size[1], self.output_represention
]).astype('float32')
begin_pad = np.max([0, -self.context_start])
end_pad = np.max([0, self.context_start + self.context_length - 1])
total_pad = begin_pad + end_pad
padding_data = np.random.uniform(
0.1, 1, [total_pad, self.input_size[1]]).astype('float32')
self.pad_data = padding_data
self.inputs = {
'X': (x, self.lod),
'Filter': w,
}
self.inputs_val = ['X', 'Filter']
self.inputs_val_no_x = ['Filter']
self.inputs_val_no_f = ['X']
if total_pad != 0:
self.inputs['PaddingData'] = padding_data
self.inputs_val = ['X', 'PaddingData', 'Filter']
self.inputs_val_no_x = ['PaddingData', 'Filter']
self.inputs_val_no_f = ['PaddingData', 'X']
self.attrs = {
'contextStart': self.context_start,
'contextLength': self.context_length,
'paddingTrainable': self.padding_trainable,
'contextStride': self.context_stride
}
out = np.zeros(
(self.input_size[0], self.output_represention)).astype('float32')
self.outputs = {'Out': out}
self.compute()
def compute(self):
x, lod = self.inputs['X']
filter = self.inputs['Filter']
pading_data = self.pad_data
out = np.zeros((self.input_size[0], self.context_length *
self.input_size[1])).astype('float32')
lod = lod[0]
begin_pad = np.max([0, -self.context_start])
for i in range(len(lod) - 1):
for j in range(self.context_length):
in_begin = lod[i] + self.context_start + j
in_end = lod[i + 1] + self.context_start + j
out_begin = lod[i]
out_end = lod[i + 1]
if in_begin < lod[i]:
pad_size = np.min([lod[i] - in_begin, lod[i + 1] - lod[i]])
if self.padding_trainable:
sub_w = pading_data[j:j + pad_size, :]
out[lod[i]:lod[i] + pad_size, j * self.input_size[1]:(
j + 1) * self.input_size[1]] = sub_w
out_begin = lod[i] + pad_size
in_begin = lod[i]
if in_end > lod[i + 1]:
pad_size = np.min(
[in_end - lod[i + 1], lod[i + 1] - lod[i]])
if self.padding_trainable:
sub_w = pading_data[begin_pad + self.context_start + j -
pad_size:begin_pad +
self.context_start + j, :]
out[lod[i + 1] - pad_size:lod[i + 1], j * self.
input_size[1]:(j + 1) * self.input_size[1]] = sub_w
in_end = lod[i + 1]
out_end = lod[i + 1] - pad_size
if in_end <= in_begin:
continue
in_sub = x[in_begin:in_end, :]
out[out_begin:out_end, j * self.input_size[1]:(j + 1) *
self.input_size[1]] += in_sub
np.dot(out, filter, out=self.outputs['Out'])
def test_check_output(self):
self.check_output()
def test_check_grad(self):
if self.padding_trainable:
self.check_grad(
set(self.inputs_val), 'Out', max_relative_error=0.05)
def test_check_grad_input(self):
self.check_grad(
['X'],
'Out',
max_relative_error=0.05,
no_grad_set=set(self.inputs_val_no_x))
def test_check_grad_padding_data(self):
if self.padding_trainable:
self.check_grad(
['PaddingData'],
'Out',
max_relative_error=0.05,
no_grad_set=set(['X', 'Filter']))
def test_check_grad_Filter(self):
self.check_grad(
['Filter'],
'Out',
max_relative_error=0.05,
no_grad_set=set(self.inputs_val_no_f))
def test_check_grad_input_filter(self):
if self.padding_trainable:
self.check_grad(
['X', 'Filter'],
'Out',
max_relative_error=0.05,
no_grad_set=set(['PaddingData']))
def test_check_grad_padding_input(self):
if self.padding_trainable:
self.check_grad(
self.inputs_val_no_f,
'Out',
max_relative_error=0.05,
no_grad_set=set(['Filter']))
def test_check_grad_padding_filter(self):
if self.padding_trainable:
self.check_grad(
self.inputs_val_no_x,
'Out',
max_relative_error=0.05,
no_grad_set=set(['X']))
def init_test_case(self):
self.input_row = 11
self.context_start = 0
self.context_length = 1
self.padding_trainable = False
self.context_stride = 1
self.input_size = [self.input_row, 23]
self.lod = [[0, 4, 5, 8, self.input_row]]
self.output_represention = 8 # output feature size
class TestSeqProjectCase1(TestSeqProject):
def init_test_case(self):
self.input_row = 11
self.context_start = -1
self.context_length = 3
self.padding_trainable = True
self.context_stride = 1
self.input_size = [self.input_row, 23]
self.lod = [[0, 4, 5, 8, self.input_row]]
self.output_represention = 8 # output feature size
class TestSeqProjectCase2(TestSeqProject):
def init_test_case(self):
self.input_row = 25
self.context_start = 2
self.context_length = 3
self.padding_trainable = True
self.context_stride = 1
self.input_size = [self.input_row, 23]
idx = range(self.input_size[0])
del idx[0]
self.lod = [[0] + np.sort(random.sample(idx, 8)).tolist() +
[self.input_size[0]]]
self.output_represention = 8 # output feature size
if __name__ == '__main__':
unittest.main()