Allocate device core usage

Allocate device core to container

Allocate a part of device core resources by specify resource mthreads.com/sgpu-core. Optional, each unit of mthreads.com/smlu-core equals to 1/16 device cores.

      resources:
        limits:
          mthreads.com/vgpu: 1 # requesting 1 GPU
          mthreads.com/sgpu-core: "8" # Each GPU contains 50% device cores