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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2019 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
from op_test import OpTest
import paddle
from paddle import base
def size_wrapper(input):
return paddle.numel(paddle.to_tensor(input))
class TestSizeOp(OpTest):
def setUp(self):
self.op_type = "size"
self.python_api = size_wrapper
self.shape = []
self.config()
input = np.zeros(self.shape, dtype='bool')
self.inputs = {'Input': input}
self.outputs = {'Out': np.array(np.size(input), dtype='int64')}
def config(self):
pass
def test_check_output(self):
self.check_output()
class TestRank1Tensor(TestSizeOp):
def config(self):
self.shape = [2]
class TestRank2Tensor(TestSizeOp):
def config(self):
self.shape = [2, 3]
class TestRank3Tensor(TestSizeOp):
def config(self):
self.shape = [2, 3, 100]
class TestLargeTensor(TestSizeOp):
def config(self):
self.shape = [2**10]
class TestSizeAPI(unittest.TestCase):
def test_size_static(self):
main_program = base.Program()
startup_program = base.Program()
with base.program_guard(main_program, startup_program):
shape1 = [2, 1, 4, 5]
shape2 = [1, 4, 5]
x_1 = paddle.static.data(shape=shape1, dtype='int32', name='x_1')
x_2 = paddle.static.data(shape=shape2, dtype='int32', name='x_2')
input_1 = np.random.random(shape1).astype("int32")
input_2 = np.random.random(shape2).astype("int32")
out_1 = paddle.numel(x_1)
out_2 = paddle.numel(x_2)
exe = paddle.static.Executor(place=paddle.CPUPlace())
res_1, res_2 = exe.run(
feed={
"x_1": input_1,
"x_2": input_2,
},
fetch_list=[out_1, out_2],
)
np.testing.assert_array_equal(
res_1, np.array(np.size(input_1)).astype("int64")
)
np.testing.assert_array_equal(
res_2, np.array(np.size(input_2)).astype("int64")
)
def test_size_imperative(self):
paddle.disable_static(paddle.CPUPlace())
input_1 = np.random.random([2, 1, 4, 5]).astype("int32")
input_2 = np.random.random([1, 4, 5]).astype("int32")
x_1 = paddle.to_tensor(input_1)
x_2 = paddle.to_tensor(input_2)
out_1 = paddle.numel(x_1)
out_2 = paddle.numel(x_2)
np.testing.assert_array_equal(out_1.numpy().item(0), np.size(input_1))
np.testing.assert_array_equal(out_2.numpy().item(0), np.size(input_2))
paddle.enable_static()
def test_error(self):
main_program = base.Program()
startup_program = base.Program()
with base.program_guard(main_program, startup_program):
def test_x_type():
shape = [1, 4, 5]
input_1 = np.random.random(shape).astype("int32")
out_1 = paddle.numel(input_1)
self.assertRaises(TypeError, test_x_type)
if __name__ == '__main__':
paddle.enable_static()
unittest.main()