Assembly or ....

[Juergen Wagner]

 In article <960 at vsi.COM> friedl at vsi.COM (Stephen J. Friedl) writes:
 >In article <1988Nov29.181235.23628 at utzoo.uucp>, henry at utzoo.uucp (Henry
 >Spencer) writes:
 >> Alas, if you buy your newer faster CPUs from Motorola or Intel, they can't
 >> tell you how many cycles each instruction takes!
 >
 >Why is this?
 >...

Because of instruction prefetching, overlapping of instruction executions, ...
The time an instruction takes to execute depends on its context.
Strictly speaking, e.g. a 68020 is not a von-Neumann machine!

-- 
Juergen Wagner		   			gandalf at csli.stanford.edu
						 wagner at arisia.xerox.com