peter green escreveu: >> Not for every instruction, but a trade-off between latency and >> efficiency. Say, each 200 instructions or so at 5MIPS will give a 40 >> microsecond jitter and an overhead of 3%. >> Remember, this is just a theoretical discussion :) >> = > The real complication would be loops, the compiler would have to = > calculate the maximum runtime of every loop, take that into account in = > it's insertion placements and if nessacery make insertions in the loops = > themselves. > = At least one insertion in each loop, more if the loop is too long . Remember that the preemption doesn't happen every time the sequence is executed. Regards, Isaac __________________________________________________ Fa=E7a liga=E7=F5es para outros computadores com o novo Yahoo! Messenger = http://br.beta.messenger.yahoo.com/ = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist