Does MAME benefit from SMP (symmetric multiprocessing) / HT (Hyper-Threading) / dual cores?
Recent versions of MAME include a -mt switch which allows some tasks to be threaded off for use by SMP or multicore systems. Thus far the benefits from this are relatively small, because accurate emulation such as MAME strives for cannot easily be broken up into parallel subtasks (it would be like trying to have a baby in one month by impregnating nine women). There are exceptions of course, and MAME will support them via this mechanism in the future.
