83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
# Copyright (c) 2023 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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import paddle.distributed as dist
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from paddle.autograd.py_layer import PyLayer
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class TestNet(PyLayer):
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@staticmethod
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def forward(ctx, x1, x2, x3):
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y1 = paddle.matmul(x1, x2, transpose_x=False, transpose_y=False)
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y2 = paddle.matmul(x2, x3, transpose_x=False, transpose_y=False)
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return y1, y2
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@staticmethod
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def backward(ctx, dy1, dy2):
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return dy1, dy2, dy2
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class TestPyLayerForSemiAutoParallel(unittest.TestCase):
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def run_test_case(self):
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mesh = dist.ProcessMesh([0, 1], dim_names=["x"])
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x1_np = np.random.random(size=[64, 32]).astype(np.float32)
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x2_np = np.random.random(size=[32, 48]).astype(np.float32)
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x3_np = np.random.random(size=[48, 64]).astype(np.float32)
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x1 = paddle.to_tensor(x1_np)
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x2 = paddle.to_tensor(x2_np)
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x3 = paddle.to_tensor(x3_np)
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x1.stop_gradient = False
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x2.stop_gradient = False
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x3.stop_gradient = False
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dist_x1 = dist.shard_tensor(x1_np, mesh, [dist.Replicate()])
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dist_x2 = dist.shard_tensor(x2_np, mesh, [dist.Replicate()])
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dist_x3 = dist.shard_tensor(x3_np, mesh, [dist.Replicate()])
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dist_x1.stop_gradient = False
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dist_x2.stop_gradient = False
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dist_x3.stop_gradient = False
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y1, y2 = TestNet.apply(x1, x2, x3)
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loss = y1.sum()
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dist_y1, dist_y2 = TestNet.apply(dist_x1, dist_x2, dist_x3)
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dist_loss = dist_y1.sum()
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np.testing.assert_allclose(
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loss.numpy(), dist_loss.numpy(), rtol=1e-04, verbose=True
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)
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loss.backward()
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dist_loss.backward()
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np.testing.assert_allclose(
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x1.grad.numpy(), dist_x1.grad.numpy(), rtol=1e-04, verbose=True
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)
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np.testing.assert_allclose(
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x2.grad.numpy(), dist_x2.grad.numpy(), rtol=1e-04, verbose=True
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)
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np.testing.assert_allclose(
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x3.grad.numpy(), dist_x3.grad.numpy(), rtol=1e-04, verbose=True
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)
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if __name__ == '__main__':
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TestPyLayerForSemiAutoParallel().run_test_case()
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