deepin-ocr/3rdparty/ncnn/tools/pnnx/tests/test_torch_amax.py

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# Tencent is pleased to support the open source community by making ncnn available.
#
# Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
#
# Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
# in compliance with the License. You may obtain a copy of the License at
#
# https://opensource.org/licenses/BSD-3-Clause
#
# 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 torch
import torch.nn as nn
import torch.nn.functional as F
class Model(nn.Module):
def __init__(self):
super(Model, self).__init__()
def forward(self, x, y, z):
x = torch.amax(x, dim=1, keepdim=False)
y = torch.amax(y, dim=(2,3), keepdim=False)
z = torch.amax(z, dim=0, keepdim=True)
return x, y, z
def test():
net = Model()
net.eval()
torch.manual_seed(0)
x = torch.rand(1, 3, 16)
y = torch.rand(1, 5, 9, 11)
z = torch.rand(14, 8, 5, 9, 10)
a = net(x, y, z)
# export torchscript
mod = torch.jit.trace(net, (x, y, z))
mod.save("test_torch_amax.pt")
# torchscript to pnnx
import os
os.system("../src/pnnx test_torch_amax.pt inputshape=[1,3,16],[1,5,9,11],[14,8,5,9,10]")
# pnnx inference
import test_torch_amax_pnnx
b = test_torch_amax_pnnx.test_inference()
for a0, b0 in zip(a, b):
if not torch.equal(a0, b0):
return False
return True
if __name__ == "__main__":
if test():
exit(0)
else:
exit(1)