进行简单的Tensor运算时，使用cuda可以正常运行。所以应该不是cuda安装的问题。

但是在使用数据集训练一个CNN时，使用cpu可以正常运行，使用cuda时，则总会导致kernel崩溃，提示：

Canceled future for execute_request message before replies were done The Kernel crashed while executing code in the the current cell or a previous cell. Please review the code in the cell(s) to identify a possible cause of the failure. Click here for more info. View Jupyter log for further details.