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Old 02-26-06, 03:22 PM   #1
krionius
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Default which kernel patchset gives the best gaming exp. with nvidia?

Linux gamer gurus can you advise me? Which pathset (like nitro etc.) gives the best gaming experience with the nvidia drivers? (FPS/latency/smoothness) And what vanilla kernel setting may have impact on gaming under Linux?

Let's start a thread which gives some info for the less experts who would want to start tweaking the kernel for gaming. (pirate)
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Old 02-26-06, 05:49 PM   #2
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

I don't want to disapoint you, but there is no single answer to this question, and more likely, there is no answer to this question. Gaming performance depends on a large number of variables, and a Linux kernel patch is unlikely to be one of them.

Hardware, kernel version, and the game being played are just some of the variables that impact overall performance.

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Old 02-27-06, 02:50 AM   #3
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Quote:
Originally Posted by netllama
I don't want to disapoint you, but there is no single answer to this question, and more likely, there is no answer to this question. Gaming performance depends on a large number of variables, and a Linux kernel patch is unlikely to be one of them.

Hardware, kernel version, and the game being played are just some of the variables that impact overall performance.

Thanks,
Lonni
Right, and that's a good starting point for the conversation. In spite of that maybe we can collect some experience here regarding the games/kernel versions/settings. Just to discuss it, not to give the philosopher's stone.

I've tried a year ago one or two kernel patches relating to the latency which changed how process scheduling was handled, but didnt test it too much coz it hanged my machine and back than I didnt want to mess with it too much. I'm just curious how does one or another patchset impacts on gaming. Like mm, coliva or nitro etc. Maybe someone has been luckier than me and can provide some info. I think as linux was planned to be more a server architecture it may count somehow if I use a patchset or not that makes it behave more like a desktop. If not so they wouldnt be messing with it at all, would they?

And another point: what about the preemptive option and it's levels?
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Old 02-27-06, 04:25 AM   #4
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Anyway, I'm on my way to try it... http://gentoo-wiki.com/HOWTO_nitro-sources
http://forums.gentoo.org/viewtopic-t-423251.html

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Old 02-27-06, 04:39 AM   #5
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Con Kolivas patch-set is the only (afakik) one that focuses on improved performance. While your game may not run any faster, it will make sure you have
a more steady fps. How? By setting other processes that might cause slowdown (cron, at, etc) to BATCH scheduler, they will only use cpu when nothing else is running.
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Old 02-27-06, 04:42 AM   #6
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Quote:
Originally Posted by arokh
Con Kolivas patch-set is the only (afakik) one that focuses on improved performance. While your game may not run any faster, it will make sure you have
a more steady fps. How? By setting other processes that might cause slowdown (cron, at, etc) to BATCH scheduler, they will only use cpu when nothing else is running.
Now that's some info! Thanx! (nitro is based on con kolivas patchset so I hope I will get steadier FPS, that way smoother gameplay... (pirate) Okay, let me dream!)
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Old 02-27-06, 04:59 AM   #7
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

You need to download schedutils and manually set the processes you want low priority on to batch though. I've modified my cron/at initscripts to start with that.

So, whenever updatedb decides to run while i play Quake3, it just sits there and waits until my game is done
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Old 02-27-06, 01:35 PM   #8
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

From personal experience, I'd say to try the plain Con Kolivas patchset first. Many patchsets are based on it. And if you don't get any performance boost with that patchset probably the others won't work out right as well. Nitro, for example, is widely regarded as testing ground for experimental features you might not want to play with. Archck is the Con Kolivas patchset but with added modules and features aimed to real power users.

Now, even a plain Fedora kernel can be tweaked in order to perform better simply by recompiing for a Pentium 4 or AMD architecture (instead of a generic Pentium Pro) and setting preemption to Voluntary-Desktop.

There are many ways to accomplish a higher performance on your computer. Good luck.
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Old 02-27-06, 03:24 PM   #9
krionius
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Quote:
Originally Posted by krionius
Installed latest 2.6.15-nitro3 --> sound gone away with my intel8x0.. A bit performance boost although... But unusable... looking for another patchset!
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Old 02-28-06, 02:48 AM   #10
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Default Re: which kernel patchset gives the best gaming exp. with nvidia?

Quote:
Originally Posted by krionius
Installed latest 2.6.15-nitro3 --> sound gone away with my intel8x0.. A bit performance boost although... But unusable... looking for another patchset!
Okay. This kernel pulled in a newer version of UDEV which fails to start up correctly on my machine...probably some config issue. Anyway starting it manually solved the sound problem. So now I can start testing it with games!
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