New technique I use to reduce lag. -1 reply

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Pethegreat VIP Member

Lord of the Peach

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19th April 2004

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#11 14 years ago

Well I need to download the demo for the 4th time:p

I will try this though, It seem like it will work with the demo




psyichic

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11th February 2003

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#12 14 years ago

FACTION I LOVE YOU! I used to run around 35-40 FPS in a combat situation with Dynamic shadows off and Dynamic light and shadows on low. I now get around 50 FPS with all three of those settings at medium! Send me your foot in the mail so i can kiss it!




FactionRecon

11PzG Grunt

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4th August 2003

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#13 14 years ago

Glad to see it's helped some folks.

And for those of you with l337 rigs previous to this posting, it doesn't apply to you ;).

Take note: one of my clanmates and I discovered that with this "feature" enabled, Xfire will not recognize that you have the game installed and you cannot join servers that your freinds are in. Just a little footnote.




apocalypse_kid

I would die without GF

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20th May 2002

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#14 14 years ago

It's not because they are a system hog that your FPS increases. It's because it reduces the level of quality the vid card applies to the game, you could get just as good a boost by tweaking the quality settings. The "optimisations" are used to get the best performance out of the game at a given quality level for the recognised high end games (ie: DX9 games). Once you rename the .exe it drops the DX9 shader path for DX8 shader path and lower quality because it no longer recognises the game as a known DX9 game, thus improving performance but losing some of the advanced DX9 shader effects.

AK

:smokin:




[tR]Mad Mac

Aerospace Engineering FTW!

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19th May 2004

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#15 14 years ago

apocalypse_kidIt's not because they are a system hog that your FPS increases. It's because it reduces the level of quality the vid card applies to the game, you could get just as good a boost by tweaking the quality settings. The "optimisations" are used to get the best performance out of the game at a given quality level for the recognised high end games (ie: DX9 games). Once you rename the .exe it drops the DX9 shader path for DX8 shader path and lower quality because it no longer recognises the game as a known DX9 game, thus improving performance but losing some of the advanced DX9 shader effects.

AK

:smokin:

Doesnt the .exe itself determine whether or or not to initialize DX9? I might just be talking out my ass, but what exactly determines the graphics parameters, and why would changing the pathname affect them?

Also- to FactionRecon and anyone else who has tried this, do you notice any changes to your graphic quality as a result of doing this?




apocalypse_kid

I would die without GF

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#16 14 years ago

No, not if the drivers have been optimised for the game. Quite often when new drivers and cards are first made, and the few games come out that use the new features emerge, the specific games are hard coded into the drivers to use "specific" features that are not available for other games. A few years back Nvidia got in big trouble for optimising their drivers for the 3dmark series, so that whenever it saw the name 3dmark it used a set of features optimised for "performance" rather than "quality" no matter what the settings in the program were, so you could set the program for max quality and still get lower quality but better performance (than ATI naturally).

Doom3 also did this for particular vid cards, 512 Mb vidcards used a different code path than 256mb and lesser vidcards, thus max quality for 512Mb cards was higher than the max quality for 256Mb cards even though the settings were identical.

Of course it all came undone when they started to use optimisations in games to give better performance than ATI. At the same ingame quality settings but using lower settings through game optimisation, they get noticable better performance, but the benchmark ppl spotted it, it was most embarrasing for Nvidia.

So changing the name of the .exe of a game (or adding unrecognised parameters) will sometimes change the DX code path and quality settings of the game, thus increasing performance, no matter what the ingame settings are or the game is coded for.

Sometimes the quality differences are minimal and takes a side by side screenshot comparison to spot them, sometimes they are obvious, so just because you don't spot it right away doesn't mean it isn't happening.

It will help a lot more with the lower end DX9 cards from Nvidia, like the FX5700 series that will benefit a lot from not having to render the advanced shaders, that the newer cards.

AK

:smokin:




FactionRecon

11PzG Grunt

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4th August 2003

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#17 14 years ago

And that FX5700 is exactly what I have. ;)

I haven't noticed any difference in quality besides the fact some shadows aren't rendered. The dynamic ones to be specific. Though not all, just some on the soldiers for example.




Aliblista(UK)

Wayne brady bitches!

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18th March 2005

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#18 14 years ago

hmm this looks interesting, can anyone post a screenie of gameplay normally and then wit this reduce lag technique just so i can see.




psyichic

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#19 14 years ago

hmmm that is interesting. WHen I get a chance I will try and post a few screenies later today that are a side by side comparison of the enviorment.




Pethegreat VIP Member

Lord of the Peach

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#20 14 years ago

If it is only a small hit in quality then it is worth it. They need to fix the "optmizations" in this game though, it can run alot better than it is now.