Messages in this thread | | | Subject | Re: Minimal jitter = good desktop. | Date | Sat, 06 Oct 2012 15:19:58 +0200 | From | Uwaysi Bin Kareem <> |
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In the context of os-jitter, delay/latency is measured as jitter.
Peace Be With You.
On Sat, 06 Oct 2012 03:06:57 +0200, <david@lang.hm> wrote:
> less jitter != less latency > > you could (in theory) eliminate jitter by delaying every keypress > processed for exactly 1 second by having the code paths that process > keypresses faster insert delays before implementing the results. > > that would result in zero jitter, but horrific latency. > > latency is how long it takes to do something, jitter is how much the > latency varies. > > normally, if you optimize for one you make the other worse. > > If you optimize for latency, you try to finish everything as soon as you > can. Since some things take longer than others, jitter increases. > > David Lang > > On Sat, 6 Oct 2012, Uwaysi Bin Kareem wrote: > >> Reducing jitter seems central for many things. >> First of all keypresses seem faster. (less jitter = less latency). >> Doom 3 and similar jittersensitive OpenGL applications run smoothly, >> and better than windows. Doom 3 was also my main app to get running >> well, and measuring jitter in the signalpath of OpenGL improved the >> overall computing experience. >> >> Even youtube videos who are not synced to refresh, with a refresh of >> 60, and a videofps of 30, runs quite well. >> http://paradoxuncreated.com/Blog/wordpress/?p=3221 >> >> System is responsive, and I have only had one problem, and that is >> packing seems not to work at the moment. >> >> For a fast test in Ubuntu, try >> http://paradoxuncreated.com/Blog/wordpress/?p=2268 >> >> Definately a recommended config on the desktop. >> >> Peace Be With You. >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" >> in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/
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