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Old 01-08-2009   #1
Nite
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Great Performance Fix for GTA4

Not sure if this was posted or not, but read this thread on GTA Forums. I tried this fix and it got rid of all my Stuttering and Freezing problems in GTA4. I'm now able to play the game for hours upon hours. Follow the instructions carefully and give it a try. This does not fix the Framerate, it only fixes the Stutters and Freezes.

all you need is 3 command line switches in a commandline.txt file dropped into the main GTA4 folder

in my case it will be this

-height 1200 -width 1600 -availablevidmem 0.446

To figure out the available video memory decimal, go into the game, set the res to 800x600, then set the settings you want, write down the video memory usage and total video usage available numbers (in my case its 222 used / 498 available) Divide 222 / 498 and get 0.445 and then just add 0.001 more to that figure. And your done This will eliminate the stuttering/freezing issues and trick the game to think its running at 800x600 instead of the resolution you actually want which in my case is 1600x1200.

This tweak is needed otherwise the game will use all the video ram available on the card even when you don't want it too, and thats why the freezing/stuttering takes place.

Source: http://www.gtaforums.com/index.php?s...ic=384473&st=0
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Old 01-08-2009   #2
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My game's been freezing quite frequently lately, most commonly occurring when taking screenshots with Xfire.

Thanks for this Nite
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Old 01-08-2009   #3
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Hmph, I don't have an issues with stuttering or freezing, so I guess this isn't for me. Higher framerates would be greeeeat but I have a feeling GTA IV is just too much of a hog to ever be tweaked in such a way
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Old 01-08-2009   #4
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Old 01-08-2009   #5
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It's a hard way and I afraid to it maybe it causes some errors or something, but Nite thanks for the help
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Old 01-08-2009   #6
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That doesn't look difficult at all. Take you what, 10 minutes maybe?
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Old 01-08-2009   #7
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@Rappo, the stuttering / freezing is only on long game sessions you probably didn't play it long enough is why you didn't notice it. I played maybe 5 or 6 hours to test this and had none. so I know this works

anyway glad I could help guys
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Old 01-08-2009   #8
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Quote:
Originally Posted by rappo View Post
Hmph, I don't have an issues with stuttering or freezing, so I guess this isn't for me. Higher framerates would be greeeeat but I have a feeling GTA IV is just too much of a hog to ever be tweaked in such a way

I go from 25+ fps down to 4 - 10 FPS in around 2 - 4 hours. The performance gets worse and worse until the game finally collapses. I'll give this a shot later.
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