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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
from test_case_base import TestCaseBase
import paddle
from paddle import nn
from paddle.jit import sot
from paddle.jit.sot.utils import strict_mode_guard
class Head(nn.Layer):
def __init__(self):
super().__init__()
self.head = nn.Linear(10, 150)
def forward(self, x, patch_embed_size):
masks = self.head(x)
# [b, (h w), c] -> [b, c, h, w]
h, w = patch_embed_size[0], patch_embed_size[1]
masks = masks.reshape((1, h, w, paddle.shape(masks)[-1]))
masks = masks.transpose((0, 3, 1, 2))
return masks
class SimpleNet(nn.Layer):
def __init__(self):
super().__init__()
self.tmp = nn.Linear(1, 1024 * 10)
self.tmp2 = nn.Linear(1, 1 * 10 * 32 * 32)
self.head = Head()
def getshape(self, x):
x = self.tmp2(x.mean().reshape([1])).reshape([1, 10, 32, 32])
x = paddle.shape(x)
return x
def forward(self, x):
sot.psdb.fallback()
shape = self.getshape(x)
feat = self.tmp(x.mean().reshape([1])).reshape([1, 1024, 10])
logits = self.head(feat, shape[2:])
return logits
class TestSegmentLinear(TestCaseBase):
@strict_mode_guard(False)
def test_simple(self):
x = paddle.randn((1, 8, 8))
net = SimpleNet()
net = paddle.jit.to_static(
net, full_graph=False
) # dont make effect. we need fetch sot PR in paddle.
loss = net(x)
loss = loss.sum()
loss.backward()
if __name__ == "__main__":
unittest.main()