You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Paddle/python/paddle/fluid/tests/test_lod_tensor.py

102 lines
4.6 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.
from __future__ import print_function
import paddle.fluid as fluid
from paddle.fluid.lod_tensor import create_lod_tensor, create_random_int_lodtensor
import numpy as np
import unittest
class TestLoDTensor(unittest.TestCase):
def test_pybind_recursive_seq_lens(self):
tensor = fluid.LoDTensor()
recursive_seq_lens = []
tensor.set_recursive_sequence_lengths(recursive_seq_lens)
recursive_seq_lens = [[], [1], [3]]
self.assertRaises(Exception, tensor.set_recursive_sequence_lengths,
recursive_seq_lens)
recursive_seq_lens = [[0], [2], [3]]
self.assertRaises(Exception, tensor.set_recursive_sequence_lengths,
recursive_seq_lens)
recursive_seq_lens = [[1, 2, 3]]
tensor.set_recursive_sequence_lengths(recursive_seq_lens)
self.assertEqual(tensor.recursive_sequence_lengths(),
recursive_seq_lens)
tensor.set(np.random.random([6, 1]), fluid.CPUPlace())
self.assertTrue(tensor.has_valid_recursive_sequence_lengths())
tensor.set(np.random.random([9, 1]), fluid.CPUPlace())
self.assertFalse(tensor.has_valid_recursive_sequence_lengths())
# Each level's sum should be equal to the number of items in the next level
# Moreover, last level's sum should be equal to the tensor height
recursive_seq_lens = [[2, 3], [1, 3, 1, 2, 2]]
tensor.set_recursive_sequence_lengths(recursive_seq_lens)
self.assertEqual(tensor.recursive_sequence_lengths(),
recursive_seq_lens)
tensor.set(np.random.random([8, 1]), fluid.CPUPlace())
self.assertFalse(tensor.has_valid_recursive_sequence_lengths())
recursive_seq_lens = [[2, 3], [1, 3, 1, 2, 1]]
tensor.set_recursive_sequence_lengths(recursive_seq_lens)
self.assertTrue(tensor.has_valid_recursive_sequence_lengths())
tensor.set(np.random.random([9, 1]), fluid.CPUPlace())
self.assertFalse(tensor.has_valid_recursive_sequence_lengths())
def test_create_lod_tensor(self):
# Create LoDTensor from a list
data = [[1, 2, 3], [3, 4]]
wrong_recursive_seq_lens = [[2, 2]]
correct_recursive_seq_lens = [[3, 2]]
self.assertRaises(AssertionError, create_lod_tensor, data,
wrong_recursive_seq_lens, fluid.CPUPlace())
tensor = create_lod_tensor(data, correct_recursive_seq_lens,
fluid.CPUPlace())
self.assertEqual(tensor.recursive_sequence_lengths(),
correct_recursive_seq_lens)
# Create LoDTensor from numpy array
data = np.random.random([10, 1])
recursive_seq_lens = [[2, 1], [3, 3, 4]]
tensor = create_lod_tensor(data, recursive_seq_lens, fluid.CPUPlace())
self.assertEqual(tensor.recursive_sequence_lengths(),
recursive_seq_lens)
# Create LoDTensor from another LoDTensor, they are differnt instances
new_recursive_seq_lens = [[2, 2, 1], [1, 2, 2, 3, 2]]
new_tensor = create_lod_tensor(tensor, new_recursive_seq_lens,
fluid.CPUPlace())
self.assertEqual(tensor.recursive_sequence_lengths(),
recursive_seq_lens)
self.assertEqual(new_tensor.recursive_sequence_lengths(),
new_recursive_seq_lens)
def test_create_random_int_lodtensor(self):
# The shape of a word, commonly used in speech and NLP problem, is [1]
shape = [1]
recursive_seq_lens = [[2, 3, 5]]
dict_size = 10000
low = 0
high = dict_size - 1
tensor = create_random_int_lodtensor(recursive_seq_lens, shape,
fluid.CPUPlace(), low, high)
self.assertEqual(tensor.recursive_sequence_lengths(),
recursive_seq_lens)
self.assertEqual(tensor.shape(), [10, 1])
if __name__ == '__main__':
unittest.main()