Question about GPU sharing mechanism (two MPS(CUDA, Volta) only?)

IF my question is incorrect space, please notice me.

I have a question about GPU sharing mechanism on the Containers.
On the Container, It uses CUDA MPS(Multi Processing Service).
If my understanding is correct, would you notice me the document?

Since I am searching MPS. It has mps command.
But I am not using such a command. also I cannot found mps process also.

I know two MPS mechanism exists (CUDA and Volta). So I have a possibility not to find appropriate document.