]> On Sat, Nov 15, 2003 at 12:11:17PM +0100, Wolfgang Lux wrote: > Richard Jones wrote: > > >If you're using a Pentium-class machine, then a nice trick is to wrap > >the RDTSC assembly instruction and call that. It returns number of > >clock cycles elapsed (a 64 bit number IIRC). Here's some code to get > >you started: > > This looks like complete nonsense to me. This will neither distinguish > user and system mode execution times. Even worse, clock cycles will > not have any meaning if the operating system chooses to perform a > task switch while the profiled function is executed. Obviously. It was only a suggestion after all ... Rich. -- Richard Jones. http://www.annexia.org/ http://freshmeat.net/users/rwmj Merjis Ltd. http://www.merjis.com/ - improving website return on investment 'There is a joke about American engineers and French engineers. The American team brings a prototype to the French team. The French team's response is: "Well, it works fine in practice; but how will it hold up in theory?"' ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners