Update 5_data_parallel_tutorial.ipynb

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@ -33,7 +33,7 @@
"\n",
" mytensor = my_tensor.to(device)\n",
"```\n",
"请注意,只调用``my_tensor.to(device)``并没有复制张量到GPU上,二十返回了一个copy。所以你需要把它赋值给一个新的张量并在GPU上使用这个张量。\n",
"请注意,只调用``my_tensor.to(device)``并没有复制张量到GPU上,而是返回了一个copy。所以你需要把它赋值给一个新的张量并在GPU上使用这个张量。\n",
"\n",
"在多GPU上执行前向和反向传播是自然而然的事。\n",
"但是PyTorch默认将只是用一个GPU。\n",