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S.T.A.L.K.E.R. Clear Sky Performance Issues?

post #1 of 8
Thread Starter 
I decided lately to reinstall all the stalker games. All have been working fine exept clear sky. Unlike call of pripyat, I cant run the game with a decent frame rate on on medium or high graphics along with advanced lighting. I havent had the time to play with the settings much, but why does clear sky run so poorly while the other two run perfectly with high to max settings? The engine hasnt been changed much so why would the game run differently than the other two games?

I have a dual core laptop @ 2.53Ghz with 6Gb RAM ddr2 and a nvidia 260m 1gb (=9800gtx). (64bit system)
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post #2 of 8
Thread Starter 
After tinkering with the game, I noticed that there was a new lighting feature that my gpu didnt like (enhanced dynamic lighting). I threw that off and the game runs like a dream. And after switching between the two, i noticed that there's not much of a difference lighting wise.
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Asus G72 GTX
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post #3 of 8
The things that are crushing in CS are the options in the dropdowns (sun rays, etc), and AA.

Try the highest lighting and everything else maxed, but use only 2xAA, and put all the dropdowns on Low. Also, I forget if it's in the options but if you can choose between HBAO and HDAO, use HBAO on nV and HDAO for ATI/AMD cards.

Also keep in mind that the very beginning of the game is about as tough as it ever gets ... most of the game runs like 2x as fast as the clear sky camp.

Lastly, the time of day when the sun rays are out is brutal ... i think it's from like 6-10am or so.

CS is indeed in a different league from the other two in terms of graphical difficulty. I think there's some crappy code in there somewhere that aren't in the other two, but having the dropdowns on low and using minimal AA removes most of the issue (the AA in stalker cs is like the most 'expensive' AA ever implemented ... like 4xAA cuts your FPS in half or something ridiculous vs. no AA). It's also the best looking of the three when maxed out, but you literally need like 2 x 470's or more to max it completely at 1080p and never have it drop below 30fps. A single 9800GTX-level card ... isn't gonna pull it off.
Edited by brettjv - 2/6/12 at 1:11pm
    
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
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hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
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post #4 of 8
Thread Starter 
Thanks for the response. Ill give that a shot after I get off of work. Right now i have the settings at max with full dynamic lighting. I get 40+ fps with a few drops here or there. If my fps drops alot then ill over clock my cpu and gpu and hope for the best.
Thanks again for the response, ill repy later with the results.
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post #5 of 8
Drop sun and sun shafts quality by one, dont run more than 4xAA, ignore stupidly low FPS in Clear Sky base / swamps (its badly optimized).
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Base2
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post #6 of 8
Thread Starter 
Thanks for the quick response. Ill do that, i actually haven't had any fps drops in the swamps with my current setup. Everythings been great, the reason i never finished this game is because one i got to a forest part later in the game the fps was so low i couldnt even play the game. Ill be sure to keep it a x2aa and to keep the sun rays at low to medium.
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post #7 of 8
Thread Starter 
Thanks for the quick response. Ill do that, i actually haven't had any fps drops in the swamps with my current setup. Everythings been great, the reason i never finished this game is because one i got to a forest part later in the game the fps was so low i couldnt even play the game. Ill be sure to keep it a x2aa and to keep the sun rays at low to medium.
Asus G72 GTX
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Asus G72 GTX
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post #8 of 8
Thread Starter 
I put the sun quality and rays to low and set the ssao to medium, i get drops here and there but other than that im at 30-50fps
Asus G72 GTX
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Asus G72 GTX
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