If the CPU is under utilised whilst running ADM:
- upping the priority level on ADM may give it more CPU processing cycles.
- if it does then the CPU idle time will be decreased and of course the load on the CPU is increased.
- so ADM might software encode faster (probably stay the same as these things are already well managed!)
On the other hand, if the CPU is already working hard, then upping the ADM priority could steal CPU processing cycles from other important system processes.
- functioning of the PC may well become troublesome and that might affect how well ADM works.
Experiment if using an I7, leave alone if using an I3.
If your PC is 100% CPU utilised, and prone to overheating during a long encoding session, try lowering the maximum processor state (parameter under windows power options).