143 lines
4.6 KiB
Python
143 lines
4.6 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 TestTakeAlongAxisOutAndParamDecorator(unittest.TestCase):
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def setUp(self):
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paddle.disable_static()
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self.input_shape = [2, 3, 4]
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self.axis = 1
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self.indices = paddle.to_tensor([[[0]]], dtype='int64')
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self.out_shape = [2, 2, 4]
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self.x_np = np.random.rand(*self.input_shape).astype(np.float32)
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self.apis = [
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paddle.take_along_dim,
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paddle.take_along_axis,
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]
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self.test_types = [
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"decorator1",
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"decorator2",
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"out",
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"out_decorator",
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]
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def do_test(self, api, test_type):
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x = paddle.to_tensor(self.x_np, stop_gradient=False)
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out = paddle.empty(self.out_shape, dtype='float32')
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out.stop_gradient = False
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if test_type == 'raw':
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out = api(x, self.indices, self.axis)
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out.mean().backward()
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return out, x.grad
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elif test_type == 'decorator1':
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out = api(x, dim=self.axis, indices=self.indices)
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out.mean().backward()
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return out, x.grad
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elif test_type == 'decorator2':
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out = api(dim=self.axis, indices=self.indices, input=x)
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out.mean().backward()
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return out, x.grad
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elif test_type == 'out':
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api(x, self.indices, self.axis, out=out)
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out.mean().backward()
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return out, x.grad
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elif test_type == 'out_decorator':
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api(input=x, indices=self.indices, dim=self.axis, out=out)
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out.mean().backward()
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return out, x.grad
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else:
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raise ValueError(f"Unknown test type: {test_type}")
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def test_take_along_dim(self):
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out_std, grad_std = self.do_test(paddle.take_along_dim, 'raw')
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for test_type in self.test_types:
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out, grad = self.do_test(paddle.take_along_dim, test_type)
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np.testing.assert_allclose(out.numpy(), out_std.numpy(), rtol=1e-20)
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np.testing.assert_allclose(
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grad.numpy(), grad_std.numpy(), rtol=1e-20
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)
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class TestTensorTakeAlongAxisParamDecorator(unittest.TestCase):
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def setUp(self):
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paddle.disable_static()
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self.input_shape = [2, 3, 4]
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self.axis = 1
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self.out_shape = [2, 2, 4]
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self.x_np = np.random.rand(*self.input_shape).astype(np.float32)
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self.indices_np = np.random.randint(
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0, self.input_shape[self.axis], size=self.out_shape
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).astype('int64')
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self.method_names = [
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'take_along_dim',
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'take_along_axis',
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]
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self.test_types = ["kwargs"]
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def do_test(self, method_name, test_type):
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x = paddle.to_tensor(self.x_np, stop_gradient=False)
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indices = paddle.to_tensor(self.indices_np)
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out_tensor = paddle.empty(self.out_shape, dtype='float32')
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out_tensor.stop_gradient = False
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api_to_call = getattr(x, method_name)
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if test_type == 'raw':
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result = api_to_call(indices, self.axis)
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elif test_type == 'kwargs':
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result = api_to_call(indices=indices, axis=self.axis)
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else:
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raise ValueError(f"Unknown test type: {test_type}")
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result.mean().backward()
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return result, x.grad
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def test_tensor_methods(self):
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for method in self.method_names:
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out_std, grad_std = self.do_test(method, 'raw')
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for test_type in self.test_types:
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with self.subTest(method=method, type=test_type):
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out, grad = self.do_test(method, test_type)
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np.testing.assert_allclose(
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out.numpy(),
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out_std.numpy(),
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rtol=1e-20,
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)
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np.testing.assert_allclose(
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grad.numpy(),
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grad_std.numpy(),
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rtol=1e-20,
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)
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if __name__ == "__main__":
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unittest.main()
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