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/opt/anaconda3/envs/pytorch/bin/python /Users/zth/PycharmProjects/pytorchFastTutorial/train.py Files already downloaded and verified Files already downloaded and verified 训练数据集的长度为:50000 测试数据集的长度为:10000 -------第 1 轮训练开始------ /opt/anaconda3/envs/pytorch/lib/python3.8/site-packages/torch/nn/functional.py:718: UserWarning: Named tensors and all their associated APIs are an experimental feature and subject to change. Please do not use them for anything important until they are released as stable. (Triggered internally at /Users/distiller/project/conda/conda-bld/pytorch_1623459044803/work/c10/core/TensorImpl.h:1156.) return torch.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode) 训练次数:100, Loss:1.9817659854888916 训练次数:200, Loss:1.9057204723358154 训练次数:300, Loss:1.7302981615066528 训练次数:400, Loss:1.5506035089492798 训练次数:500, Loss:1.6042922735214233 训练次数:600, Loss:2.496931314468384 训练次数:700, Loss:1.6171432733535767 整体测试集上的Loss: 262.62046909332275 整体测试集上的正确率: 0.3889999985694885 模型已保存 -------第 2 轮训练开始------ 训练次数:800, Loss:1.2562278509140015 训练次数:900, Loss:1.1422173976898193 训练次数:1000, Loss:1.416947603225708 训练次数:1100, Loss:1.4992238283157349 训练次数:1200, Loss:1.331336259841919 训练次数:1300, Loss:1.245829463005066 训练次数:1400, Loss:1.0655444860458374 训练次数:1500, Loss:1.2835123538970947 整体测试集上的Loss: 230.35630249977112 整体测试集上的正确率: 0.4925000071525574 模型已保存 -------第 3 轮训练开始------ 训练次数:1600, Loss:1.0310918092727661 训练次数:1700, Loss:1.0611821413040161 训练次数:1800, Loss:1.0310254096984863 训练次数:1900, Loss:1.144779086112976 训练次数:2000, Loss:1.2882472276687622 训练次数:2100, Loss:0.9842464327812195 训练次数:2200, Loss:0.7923548221588135 训练次数:2300, Loss:1.1152539253234863 整体测试集上的Loss: 256.62166798114777 整体测试集上的正确率: 0.4763999879360199 模型已保存 -------第 4 轮训练开始------ 训练次数:2400, Loss:1.2120356559753418 训练次数:2500, Loss:0.9000757336616516 训练次数:2600, Loss:1.05060613155365 训练次数:2700, Loss:1.0712412595748901 训练次数:2800, Loss:1.121010184288025 训练次数:2900, Loss:nan 训练次数:3000, Loss:nan 训练次数:3100, Loss:nan 整体测试集上的Loss: nan 整体测试集上的正确率: 0.10000000149011612 模型已保存 -------第 5 轮训练开始------ 训练次数:3200, Loss:nan 训练次数:3300, Loss:nan 训练次数:3400, Loss:nan 训练次数:3500, Loss:nan 训练次数:3600, Loss:nan 训练次数:3700, Loss:nan 训练次数:3800, Loss:nan 训练次数:3900, Loss:nan 整体测试集上的Loss: nan 整体测试集上的正确率: 0.10000000149011612 模型已保存 -------第 6 轮训练开始------ 训练次数:4000, Loss:nan 训练次数:4100, Loss:nan 训练次数:4200, Loss:nan 训练次数:4300, Loss:nan 训练次数:4400, Loss:nan 训练次数:4500, Loss:nan 训练次数:4600, Loss:nan
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