>> Modern CPUs do not "execute a fixed number of instructions per second" Very true for x86, but AFAIK things like ARM based chips are quite a bit closer to 'f

>> Modern CPUs do not "execute a fixed number of instructions per second" Very true for x86, but AFAIK things like ARM based chips are quite a bit closer to 'fixed number of instructions per second'. Still penalties for badly thought out memory access etc though.