Native support for Apple Silicon (M1 & M2 processors).

+ Tests now take around 60 seconds regardless of disk performance.
+ Additional tweaks for filling SLC caches on NVME drives.

+ Better support for exhausting disk buffer caches to reveal real life performance.
+ Changed random file sizes to 32KB (from 8KB).

+Minor bug fixes

+ Speeds are now rounded off intelligently
+ Information about sequential/random speed tests
+ Other minor UI improvements