On Fri, 8 Nov 2024, Ankur Arora wrote: > > For power saving most arches have special instructions like ARMS > > WFE/WFET. These are then causing more accurate wait times than the looping > > thing? > > Definitely true for WFET. The WFE can still overshoot because the > eventstream has a period of 100us. We can only use the event stream if we need to wait more than 100us. The rest of the wait period can be coverd by a busy loop. Thus we are accurate.
