Is CUDA necessary?

[qomhmd]

According to your documentation,

Although the installation includes PyTorch, the best and recommended way is to first install PyTorch from here, picking up the right CUDA version for your machine. (PyTorch Version >1.3)

Is CUDA necessary?

[manujosephv]

CUDA is only necessary if you want to use GPU acceleration for faster training. Otherwise, CPU is also perfectly fine