59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
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# Tencent is pleased to support the open source community by making ncnn available.
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#
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# Copyright (C) 2022 THL A29 Limited, a Tencent company. All rights reserved.
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#
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# Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
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# in compliance with the License. You may obtain a copy of the License at
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#
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# https://opensource.org/licenses/BSD-3-Clause
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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import torchvision
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class Model(nn.Module):
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def __init__(self):
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super(Model, self).__init__()
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self.roi_align = torchvision.ops.RoIAlign(output_size=(3,3), spatial_scale=0.25, sampling_ratio=3, aligned=False)
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self.rois = nn.Parameter(torch.tensor([[0, 0, 10, 12, 20]], dtype=torch.float))
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def forward(self, x):
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x = self.roi_align(x, self.rois)
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return x
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def test():
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net = Model()
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net.eval()
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torch.manual_seed(0)
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x = torch.rand(1, 12, 64, 64)
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a = net(x)
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# export torchscript
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mod = torch.jit.trace(net, x)
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mod.save("test_torchvision_RoIAlign.pt")
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# torchscript to pnnx
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import os
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os.system("../src/pnnx test_torchvision_RoIAlign.pt inputshape=[1,12,64,64]")
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# pnnx inference
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import test_torchvision_RoIAlign_pnnx
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b = test_torchvision_RoIAlign_pnnx.test_inference()
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return torch.equal(a, b)
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if __name__ == "__main__":
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if test():
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exit(0)
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else:
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exit(1)
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