System Mediated Time-Slicing of GPUs

[klueska]

Global ResourceClaims provide a controlled way for multiple containers (or pods) to share access to an underlying GPU. We call this user-mediated sharing.

This issue tracks the introduction of what we call "system" mediated sharing for Time-Sliced GPUs, whereby a GPU will be shared according to some criteria defined by the system rather than the user.

The main advantage being that with system-mediated sharing GPUs can be shared across namespaces (whereas with user-mediated sharing they cannot).

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