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Only half cpu and gpu use with icenhancer 2.0


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Hi, i can understand this problem might occured before. But i can't seem to find a decent solution. Everytime i think i find something, people are refering to the memrestrict problem/solution while that's not my problem at all.


Let's start with system specs.

AMD Phenom™ II X4 955

2 x AMD Radeon HD 6850

8gb ddr3 running at 1333 (mainboard only allows 2 modules at 1600 not 4, )





GTA IV stock (high settings, auto-configure):



Average FPS: 45.66

Duration: 37.28 sec

CPU Usage: 69%

System memory usage: 40%

Video memory usage: 41%


Graphics Settings

Video Mode: 1920 x 1080 (60 Hz)

Texture Quality: High

Texture Filter Quality: High

View Distance: 32

Detail Distance: 70



Microsoft Windows 7 Ultimate

Service Pack 1

Video Adapter: AMD Radeon HD 6800 Series

Video Driver version:

Audio Adapter: Speakers (Realtek High Definition Audio)

AMD Phenom™ II X4 955 Processor


File ID: Benchmark.cli


It runs smooth-ish (some drops when turning or driving fast). Still only seems to use half my GPU.


Increasing graphics to max (texture: highest (exept view distance set to 50) has this result:"


Average FPS: 38.10

Duration: 37.14 sec

CPU Usage: 67%

System memory usage: 39%

Video memory usage: 48%



Settings to lowest (i just add it, no idea if its usefull information)


Average FPS: 64.58

Duration: 37.12 sec

CPU Usage: 61%

System memory usage: 40%

Video memory usage: 47%



So GTA IV runs well now, didn't used to but i guess i tweaked something down the line that actually helped. For such a poorly coded game i find 40 fps enough, specially when as good as maxed out.

Now comes the problem.


I installed "ultimate textures" i think it's called, about 4.5gb. (It supposed to be installed with RealizmIV 6.2 i think, but that gives crashes and errors). Game still runs fine, mayb some extra fps even!


Then i install iCEnhancer2_0Standard. Now a strange thing happens:


Average FPS: 18.78

Duration: 36.90 sec

CPU Usage: 44%

System memory usage: 41%

Video memory usage: 41%



So if my pc can't perform well enough to play icenhancer 2.0, then i use the low settings right.. hmm this result:


Average FPS: 18.93

Duration: 37.45 sec

CPU Usage: 45%

System memory usage: 41%

Video memory usage: 41%



So my question is, does anyone know what causes my pc to only perform at about 40% after installing icenhancer. I tried an other graphic mod, but got errors and crashes. And i really think icenhencer looks the best judging from youtube clips.

I just don't get what makes it perform at such low %. I mean, if it ran about 80% cpu/gpu then i should be able to get a decent 30 fps at least.

Anti-alias seems to increase performance a bit instead of lowering it, so i don't think thats the problem (but my knowledge is lacking).


I bought GTA IV for modding, since i already own the games on xbox 360 (and played them so many fckin times). So don't start with the just don't install icenhancer please, cause this looks like a small problem to me.. i just can't find what the problem is. Changed a few settings arround, but like i said knowledge is lacking so i just seem to screw things up and setting them back to original.


So again the problem im having is GTA not using all my computers recoures it could with icehancer en other similar mods, and therefor produces low fps.

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This benchmark from the game itself isn´t really accurate I think.

The next thing is, GTA IV does not really support Crossfire or SLI. At least the performance will not be better than a single card system or not much. It can be even worser!

You´ll probably get much better results with a powerful single GPU system.

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I think the crossfire could def explain the 40% gpu use, since it's not using crossfire. Still the cpu use is highest usually but with enb/graphic mods it seems to go down to 40-45% or so.

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