Doom3 Linux and Windows Battlegrounds
by Kristopher Kubicki on October 13, 2004 12:50 AM EST- Posted in
- Linux
Doom3 Low Resolution
Below, you can see how our cards performed under lower resolution on both Windows and Linux. Texture Sharpening was disabled in all tests. Obviously, since we could not run these tests at 16X AF on Linux for all cards, we had to turn the settings down to 8X AF on Windows. (We talk more about the 16X issue in the IQ section of this analysis.) Both platforms are using 4X 9-Tap Gaussian AntiAliasing. All tests were taken with default settings in game (other than resolution).
Notes From the Lab
Feel free to check here how our Linux testing fared on Windows from the Doom3 launch. Derek uses a slightly faster machine with slightly different testing parameters, but it should give you a general idea of where our results scale on Windows.Unfortunately, it's fairly ridiculous to think that you will run the game with any of these settings on a 5600XT.
At this point, we are looking at ulterior meanings to Timothee's statement. Performance ranges anywhere from 25% to 15% worse on the Linux platform fairly consistently. Performance looks OK, but we certainly can't expect our Linux platform to outperform Windows in this portion of the analysis.
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Guspaz - Thursday, October 14, 2004 - link
I'm sorry, I snapped. The tone of my post was uncalled for.I still believe, however, that further investigation is in order.
LittleKing - Thursday, October 14, 2004 - link
I've said it before and I'll say it again, the rollover images don't work with FireFox. It's a shame Anand won't support it I guess.LK
KristopherKubicki - Wednesday, October 13, 2004 - link
Guspaz: We get different frame rates with 8X and 16X. Even if they produce the same image, I suspect they use different algorithms. I don't know why that would seem unprofessional?Kristopher
walmartshopper - Wednesday, October 13, 2004 - link
#20... If it's not doing 16x, how do you explain the performance drop? Just because the images are the exact same does not mean it's not doing the work. Theres a limit to antialiasing, meaning there's a limit to how smooth an edge can be. I think in many cases, 8x hits that limit, and 16x is just overkill. But just because there's no difference in this particular screenshot doesn't mean theres not ever a difference. I'm sure it makes some kind of difference in most cases, even if only a few pixels. Just imagine if 32xAA existed... compare 16x to 32x and i doubt you would ever be able to find any difference. But that doesn't mean the card isn't doing extra work. With 8x and 16x you are starting to get into the same territory where anything above 8x makes little or no difference.Sorry, but that post gave me a good laugh.
sprockkets - Wednesday, October 13, 2004 - link
Keep in mind that SuSE uses xfree86 in 9.1and will go to x.org in the next release, or it seem by the way the ftp is hinting it will.walmartshopper - Wednesday, October 13, 2004 - link
I'm getting noticably better performance on Linux over xp. I run 1600x1200 high quality with 4xAA on a 6800gt.Linux:
Slackware 10
kernel: custom 2.6.8.1
X: xorg 6.8
NV driver: 6106
Desktop: KDE 3.3 (4 desktops, 4 webcam monitors, amsn, gaim, desktop newsfeeds, and a kicker loaded with apps all running while i play)
xp:
fresh copy with nothing more than a few games installed
NV driver: 66.72
At the same settings, the game feels noticably smoother on linux. Thanks to ReiserFS, the loading time is also much faster. Sorry for no benchmarks, but I got rid of the windows install after my first time playing on Linux. I had problems with the 6111 driver crashing, but 6106 works flawlessly. (Although I can switch drivers in less than a minute without even rebooting) I can't wait until nvclock supports overclocking on the 6800 series.
I'm a little disappointed that all the testing was done on SuSE. The beauty of Linux is being able to customize and optimize just about anything. I realize that SuSE is a distro that average joe is likely to use, but I think you should also include some scores from a simple, fast, optimized distro/kernel such as Slack or Gentoo to show what Linux is really capable of.
3500+ @ 2.44ghz
1gb ddr @ 444mhz 2.5-3-3-7
k8n neo2 platinum
Guspaz - Wednesday, October 13, 2004 - link
I did a difference on the 8x and 16x AA images.You're wrong. Your review cards are NOT doing 16xAA. They're doing 8xAA.
Considering how the 8x and 16x images look identical, that should have been your first hint; once you run a diff and find they ARE identical, I'd expect you to know better.
Seriously, make a correction, this looks unprofessional.
Saist - Wednesday, October 13, 2004 - link
#15 - My bad to make such generalizations..but the fact that you can't even use an ATI card to play D3 doesn't bode well for Linux gaming...
****
Keep in mind, ATi is several months, if not a year or more behind Nvidia in supporting Linux. Give ATi time, and things like this will probably become as obsolete as Win95.
Olias - Wednesday, October 13, 2004 - link
At 800x600-high quality, I get 32fps in XP and 45 in Linux. Linux is 13fps(40%) faster.AMD Athlon XP 3200+
nForce2 chipset
5900XT Video Card
Memory: 2x512MB PC-3200 CL2.5 (400MHz)
Distro: Gentoo Linux
Kernel: 2.6.7-r14
X: xorg-x11-6.7.0-r2
ath50 - Wednesday, October 13, 2004 - link
You list on the first page"Timothee Besset, Linuxgamers.com " as the source of the quote, but its actually Linuxgames.com, linuxgamers is one of those search pages with popups that tries to reset your homepagge :
Just a little thing...I went off to linuxgamers.com first hehe.