What exactly is a "cycle"?

Discussion created by evxxvi on Nov 15, 2007
Latest reply on Nov 23, 2007 by SeekerOne
In AMD's manuals they often state this needs 50 cycles and that needs 37 cycles and so on. CodeAnalyst also tells me 'bout instructions per cycle an i know i have to make that number as high as possible... But what exactly is 1 cycle. Its seems to be somthing that is different from 1 CPU clock.