Messages in this thread |  | | Date | Tue, 12 Sep 2000 16:30:32 +0200 | From | Jamie Lokier <> | Subject | Re: More on 2.2.18pre2aa2 |
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Andrea Arcangeli wrote: > >Andrea - latency is time measured and perceived. Doing it time based > >seems to make reasonable sense. I grant you might want to play with > >the weighting per [device]
Right. Perception.
> When you have a device that writes a request every two seconds you still > want it not to seek all the time because this would mean to make it even > slower. No? The point very is simple: if you want good latency buy a > faster hardware (and with a faster hardware our current elevator can > become even more aggressive than the 1/2 second thing). You can't > workaround the slowness of a slow device by putting the elevator in > function of time, that will only make the global system even slower.
Sure the global system is slower. But the "interactive feel" is faster. If I type "find /" I want it to go quickly. But I still want Emacs to start up in a reasonable time, even if that means the overall time for both processes is slower.
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