return torch.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode)
时间: 2023-05-02 16:01:07 浏览: 358
这是一个使用pytorch库中的max_pool2d函数的代码。参数包括输入input张量、卷积核的大小kernel_size、步长stride、填充padding、膨胀系数dilation和是否向上取整ceil_mode。函数的返回值是池化后的张量。
相关问题
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 ..\c10/core/tensorimpl.h:1156.) return torch.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode)
命名张量及其所有相关的API都是一项实验性功能,可能会发生改变。在它们被稳定发布之前,请不要将它们用于任何重要任务。(在 ..\\c10/core/tensorimpl.h:1156. 触发了内部操作)。返回 torch.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode)。
Traceback (most recent call last): File "/home/a/pycharmproject/clothes_try_on_copy/11/PF-AFN-main/PF-AFN_train/train_PBAFN_stage1.py", line 134, in <module> loss_vgg = criterionVGG(x_all[num], cur_person_clothes.cuda()) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/module.py", line 889, in _call_impl result = self.forward(*input, **kwargs) File "/home/a/pycharmproject/clothes_try_on_copy/11/PF-AFN-main/PF-AFN_train/models/networks.py", line 164, in forward x_vgg, y_vgg = self.vgg(x), self.vgg(y) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/module.py", line 889, in _call_impl result = self.forward(*input, **kwargs) File "/home/a/pycharmproject/clothes_try_on_copy/11/PF-AFN-main/PF-AFN_train/models/networks.py", line 150, in forward h_relu5 = self.slice5(h_relu4) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/module.py", line 889, in _call_impl result = self.forward(*input, **kwargs) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/container.py", line 119, in forward input = module(input) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/module.py", line 889, in _call_impl result = self.forward(*input, **kwargs) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/modules/pooling.py", line 162, in forward return F.max_pool2d(input, self.kernel_size, self.stride, File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/_jit_internal.py", line 365, in fn return if_false(*args, **kwargs) File "/home/a/.conda/envs/clothes_try_on_copy1/lib/python3.8/site-packages/torch/nn/functional.py", line 659, in _max_pool2d return torch.max_pool2d(input, kernel_size, stride, padding, dilation, ceil_mode) RuntimeError: Given input size: (512x2x1). Calculated output size: (512x1x0). Output size is too small 进程已结束,退出代码1
根据你提供的错误信息,这是一个运行时错误(RuntimeError)。错误信息中指出了问题出现的位置和错误类型。
根据错误信息可以看出,在执行 `forward` 方法时,发生了一个尺寸(size)计算错误。具体来说,输入的尺寸是 `(512x2x1)`,但计算得到的输出尺寸是 `(512x1x0)`。错误信息还指出输出尺寸过小(Output size is too small),导致计算无法进行。
这种错误通常与网络模型的结构和输入数据的尺寸不匹配有关。可能是在网络模型的某一层或操作中,尺寸计算出现了错误。可能的原因包括输入数据的维度不正确、网络模型定义中的错误或者数据预处理过程中的问题。
要解决这个问题,你可以检查以下几个方面:
1. 确保输入数据的维度和尺寸与模型定义相匹配。
2. 检查网络模型定义中各层或操作的输入输出尺寸是否正确。
3. 检查数据预处理过程中是否存在错误,例如可能需要进行维度变换或缩放操作。
如果你需要更详细的帮助,请提供相关的代码片段或更多上下文信息,我将尽力帮助你找到解决方案。
阅读全文