116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
# Copyright (c) 2022 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 parameterized as param
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import paddle
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from paddle.base import core, framework
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@param.parameterized_class(
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('name', 'primals', 'stop_gradients', 'cotangents', 'dtype'),
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(
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(
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'test_normal_case',
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(np.random.rand(2, 3, 4), np.random.rand(2, 3, 4)),
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(False, False),
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(np.random.rand(2, 3, 4),),
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np.float32,
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),
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(
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'test_broadcast_diff_rank',
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(np.random.rand(2, 3, 1, 4), np.random.rand(3, 3, 4)),
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(False, False),
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(np.random.rand(2, 3, 3, 4),),
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np.float32,
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),
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(
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'test_broadcast_same_rank',
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(np.random.rand(2, 3, 1, 4), np.random.rand(2, 1, 3, 4)),
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(False, False),
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(np.random.rand(2, 3, 3, 4),),
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np.float32,
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),
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(
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'test_stop_gradient',
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(np.random.rand(2, 3, 1, 4), np.random.rand(2, 1, 3, 4)),
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(False, True),
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(np.random.rand(2, 3, 3, 4),),
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np.float32,
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),
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),
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)
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class TestMultiplyGradComp(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.primals = tuple(primal.astype(cls.dtype) for primal in cls.primals)
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cls.cotangents = tuple(co.astype(cls.dtype) for co in cls.cotangents)
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def setUp(self):
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paddle.enable_static()
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def tearDown(self):
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paddle.disable_static()
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def as_tuple(self, x):
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return (x,) if isinstance(x, framework.Variable) else x
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def net(self):
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primals, cotangents = self.primals, self.cotangents
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mp, sp = paddle.static.Program(), paddle.static.Program()
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with paddle.static.program_guard(mp, sp):
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primals = tuple(
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paddle.static.data(f'primal{i}', primal.shape, primal.dtype)
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for i, primal in enumerate(primals)
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)
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for primal, flag in zip(primals, self.stop_gradients):
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primal.stop_gradient = flag
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cotangents = tuple(
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paddle.static.data(f'cotangent{i}', co.shape, co.dtype)
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for i, co in enumerate(cotangents)
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)
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out = self.as_tuple(paddle.tanh(paddle.multiply(*primals)))
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grads = paddle.static.gradients(out, primals)
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exe = paddle.static.Executor()
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exe.run(sp)
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return exe.run(
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program=mp,
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feed={f'primal{i}': primal for i, primal in enumerate(self.primals)}
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| {f'cotangent{i}': co for i, co in enumerate(self.cotangents)},
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fetch_list=[g for g in grads if g is not None],
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)
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def test_comp(self):
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core._set_prim_backward_enabled(True)
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actual = self.net()
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core._set_prim_backward_enabled(False)
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desired = self.net()
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self.assertEqual(len(actual), len(desired))
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for i, j in zip(actual, desired):
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np.testing.assert_allclose(
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i,
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j,
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rtol=1e-6,
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atol=0,
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)
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if __name__ == '__main__':
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unittest.main()
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