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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import numpy as np
from op_test import is_custom_device
import paddle
from paddle import nn
from paddle.device.cuda.cuda_graphed_layer import CUDAGraphedLayer
seed = 102
class Model(nn.Layer):
def __init__(self, in_size, out_size, dropout=0):
paddle.seed(seed)
super().__init__()
self.linear = nn.Linear(in_size, out_size)
self.relu = nn.ReLU()
def forward(self, x):
x = self.linear(x)
x = self.relu(x)
return x
class DropoutModel(nn.Layer):
def __init__(self, in_size, out_size, dropout=0.5):
paddle.seed(seed)
super().__init__()
self.linear = nn.Linear(in_size, out_size)
self.dropout_1 = paddle.nn.Dropout(dropout)
self.relu = nn.ReLU()
self.dropout_2 = paddle.nn.Dropout(dropout)
def forward(self, x):
x = self.linear(x)
x = self.dropout_1(x)
x = self.relu(x)
x = self.dropout_2(x)
return x
@unittest.skipIf(
not (paddle.is_compiled_with_cuda() or is_custom_device())
or float(paddle.version.cuda()) < 11.0,
"only support cuda >= 11.0",
)
class TestSimpleModel(unittest.TestCase):
def train(self, model):
paddle.seed(seed)
ans = []
for _ in range(10):
x = paddle.randn([3, 10], dtype='float32')
x.stop_gradient = False
loss = model(x).mean()
loss.backward()
ans.append(x.grad.numpy())
return np.array(ans)
def test_layer(self):
model = Model(10, 20)
cuda_graphed_model = CUDAGraphedLayer(Model(10, 20))
dropout_model = DropoutModel(10, 20)
cuda_graphed_dropout_model = CUDAGraphedLayer(DropoutModel(10, 20))
np.testing.assert_array_equal(
self.train(model), self.train(cuda_graphed_model)
)
np.testing.assert_array_equal(
self.train(dropout_model), self.train(cuda_graphed_dropout_model)
)
if __name__ == "__main__":
unittest.main()