What are the Khiva Array restrictions?
Khiva Arrays can have up to 4 dimensions, each one needs to have the same length and the same type.
Can I use the Khiva package without having a GPU for computation?
Of course. It is right that Khiva algorithms are designed to run on GPU, but a CPU backend could be set.
What OS are supported?
Nowadays, Khiva is supported on Windows, Linux and MacOS.