wehub-resource-sync
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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import unittest
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import paddle
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from paddle.jit.sot import symbolic_translate
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def api_with_set_stop_gradient(x):
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y = x + x
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y.stop_gradient = True
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return y
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class TestApiWithSetStopGradient(unittest.TestCase):
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def test_api_with_set_stop_gradient(self):
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x_dy = paddle.to_tensor(1.0, stop_gradient=False)
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y_dy = api_with_set_stop_gradient(x_dy)
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y_dy.backward()
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x_st = paddle.to_tensor(1.0, stop_gradient=False)
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y_st = symbolic_translate(api_with_set_stop_gradient)(x_st)
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y_st.backward()
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self.assertTrue(y_dy.stop_gradient)
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self.assertTrue(y_st.stop_gradient)
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self.assertIsNone(x_dy.grad)
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self.assertIsNone(x_st.grad)
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if __name__ == "__main__":
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unittest.main()
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