wehub-resource-sync
89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
# Copyright (c) 2025 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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import unittest
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import numpy as np
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import paddle
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class TestRngState(unittest.TestCase):
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def test_get_and_set_rng_state_cuda(self):
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original_state = paddle.cuda.get_rng_state()
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try:
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r = paddle.cuda.get_rng_state()
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self.assertIsInstance(r, paddle.core.GeneratorState)
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s = paddle.randn([10, 10])
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paddle.cuda.set_rng_state(r)
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s1 = paddle.randn([10, 10])
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np.testing.assert_allclose(s.numpy(), s1.numpy(), rtol=0, atol=0)
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finally:
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paddle.cuda.set_rng_state(original_state)
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def test_get_and_set_rng_state_cpu(self):
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original_state = paddle.cuda.get_rng_state('cpu')
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cur_dev = paddle.device.get_device()
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paddle.set_device('cpu')
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r = paddle.cuda.get_rng_state('cpu')
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self.assertIsInstance(r, paddle.core.GeneratorState)
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s = paddle.randn([10, 10])
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paddle.cuda.set_rng_state(r, device='cpu')
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s1 = paddle.randn([10, 10])
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np.testing.assert_allclose(s.numpy(), s1.numpy(), rtol=0, atol=0)
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paddle.cuda.set_rng_state(original_state, device='cpu')
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paddle.set_device(cur_dev)
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def test_invalid_device_raises(self):
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with self.assertRaises(ValueError):
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paddle.set_rng_state(paddle.get_rng_state(), device="unknown:0")
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original_state = paddle.get_rng_state()
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try:
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r = paddle.get_rng_state()
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if len(r) > 0:
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self.assertIsInstance(r[0], paddle.core.GeneratorState)
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s = paddle.randn([10, 10])
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paddle.set_rng_state(r)
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s1 = paddle.randn([10, 10])
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np.testing.assert_allclose(s.numpy(), s1.numpy(), rtol=0, atol=0)
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finally:
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paddle.set_rng_state(original_state)
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def test_api_compatibility(self):
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paddle_get_obj = paddle.device.cpu.get_rng_state
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alias_get_obj = paddle.random.get_rng_state
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self.assertTrue(paddle_get_obj is alias_get_obj)
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paddle_set_obj = paddle.device.cpu.set_rng_state
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alias_set_obj = paddle.random.set_rng_state
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self.assertTrue(paddle_set_obj is alias_set_obj)
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def test_alias(self):
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state = paddle.random.get_rng_state()
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paddle.random.set_rng_state(state)
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if __name__ == "__main__":
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unittest.main()
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