This is increasingly relevant today as we hit the physical limits of how fast we can "clock" modern processors.
In this field, asynchronically is most precise and frequent. asynchronically
"Self-Timed Circuits: A New Paradigm for VLSI Design" (or broader work on Asynchronous Logic) Authors: Often associated with Ivan Sutherland or the "Null Convention Logic" papers by Karl Fant. This is increasingly relevant today as we hit
(adverb)