From: Ove Karlsen <ove.karlsen@paradoxuncreated.com>
To: LKML <linux-kernel@vger.kernel.org>
Subject: Re: One last tweak for perfection.
Date: Wed, 16 Jan 2013 15:27:15 +0100 [thread overview]
Message-ID: <50F6B8C3.9060500@paradoxuncreated.com> (raw)
In-Reply-To: <50F6B868.7000304@paradoxuncreated.com>
On 1/16/2013 3:25 PM, Ove Karlsen wrote:
> On 1/16/2013 3:02 PM, Ove Karlsen wrote:
>> What kernelthreads _needs_ to run? So I can put them on max pri
>> renice, along with reniced X and app. And everything else on idle
>> priority. So to make the app run at max efficiency, and not be
>> starved by kernelthreads waiting. (Or any other consideration, for
>> giving maximal cpu to app. Even small tweaks.)
>>
>> To read my research so far, (and I have done much, about 2 years of
>> tweakin´ on and off.) Please see
>> http://paradoxuncreated.com/Blog/wordpress/?p=2268
>>
>> Main points, no highres timer, 90hz timer, + a lot of smaller tweaks.
>> This makes an amazing linux-desktop, for gaming, video and audio. The
>> popular computer for everyman. Also boosts performance, for
>> resource-constrained systems.
>>
>> For more advanced hacking, one could also get in there, and make
>> several HZ timers, extremely low ones, for the components who only
>> require that, and 90hz for video-components, for instance (low
>> video/frame jitter), and higher if anything should require that.
>>
>> Also system-wide, software should be synced to hz, if required for
>> lowest jitter, such as animations and videoplayers, and videoplayers
>> automatically change refresh rate to a multiple of video framerate.
>>
>> Peace Be With You.
> PS: I forgot the realtime sincs of drivers. HZ is really not an issue
> to debate for me, 90 hz is sufficient, and only to userspace, right?
> So yea, forget the talk on HZ.
>
> Peace Be With You.
And "synced to hz" with regards to video, is the screen hz ofcourse, not
kernel.
Peace Be With You.
next prev parent reply other threads:[~2013-01-16 14:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-16 13:59 One last tweak for perfection Ove Karlsen
2013-01-16 14:02 ` Ove Karlsen
2013-01-16 14:25 ` Ove Karlsen
2013-01-16 14:27 ` Ove Karlsen [this message]
2013-01-16 14:28 ` Ove Karlsen
2013-01-16 14:36 ` Ove Karlsen
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