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1# Copyright 2021 Huawei Technologies Co., Ltd
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14# ============================================================================
15
16import numpy as np
17import pytest
18
19import mindspore.context as context
20import mindspore.nn as nn
21from mindspore import Tensor, Parameter
22from mindspore.ops import operations as P
23
24
25class AssignAdd(nn.Cell):
26    def __init__(self, value):
27        super(AssignAdd, self).__init__()
28        self.var = Parameter(value, name="var")
29        self.add = P.AssignAdd()
30
31    def construct(self, y):
32        self.add(self.var, y)
33        return self.var
34
35def get_output(x2, y2, enable_graph_kernel=False):
36    context.set_context(enable_graph_kernel=enable_graph_kernel)
37    add = AssignAdd(x2)
38    result_gk_on_1 = add(y2)
39    add_2 = AssignAdd(result_gk_on_1)
40    result_gk_on_2 = add_2(y2)
41    output = [result_gk_on_1, result_gk_on_2]
42    return output
43
44def assign_add():
45    x2 = Tensor(np.arange(1 * 3 * 3 * 3).reshape(1, 3, 3, 3).astype(np.float32))
46    y2 = Tensor(np.arange(1 * 3 * 3 * 3).reshape(1, 3, 3, 3).astype(np.float32))
47
48    expect = get_output(x2, y2, False)
49    output = get_output(x2, y2, True)
50    e1, e2 = list(expect)
51    o1, o2 = list(output)
52
53    assert np.allclose(o1.asnumpy(), e1.asnumpy())
54    assert np.allclose(o2.asnumpy(), e2.asnumpy())
55
56@pytest.mark.level0
57@pytest.mark.platform_x86_gpu_training
58@pytest.mark.env_onecard
59def test_assign_add_gpu():
60    context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
61    assign_add()
62
63@pytest.mark.level0
64@pytest.mark.platform_arm_ascend_training
65@pytest.mark.platform_x86_ascend_training
66@pytest.mark.env_onecard
67def test_assign_add_ascend():
68    context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
69    assign_add()
70