mirror of https://github.com/Jittor/Jittor
28 lines
849 B
Python
28 lines
849 B
Python
# ***************************************************************
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# Copyright (c) 2020 Jittor. All Rights Reserved.
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# Maintainers:
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# Dun Liang <randonlang@gmail.com>.
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#
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# This file is subject to the terms and conditions defined in
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# file 'LICENSE.txt', which is part of this source code package.
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# ***************************************************************
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import unittest
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import jittor as jt
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import numpy as np
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from jittor import nn
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class TestOptimizer(unittest.TestCase):
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def test_param_groups(self):
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pa = jt.ones((1,))
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pb = jt.ones((1,))
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data = jt.ones((1,))
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opt = nn.SGD([
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{"params":[pa], "lr":0.1},
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{"params":[pb]},
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], 1)
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opt.step(pa*data+pb*data)
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assert pa.data == 0.9 and pb.data == 0, (pa, pb)
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if __name__ == "__main__":
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unittest.main() |