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| Performance threads All discussions about CoD performnce |
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#1
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Something I don't understand is that, if the 2Gb VRAM on one card is maxed out, why do I have the same issues with stutters/temporary screen freezes as mentioned here with two cards linked by Crossfire? Effectively 4Gb? Also, why do we need 16Gb of DDR RAM when only 15% (on average) seems to be used when running the game? Regards Last edited by Bikerjack; 11-12-2012 at 12:06 PM. Reason: Added info |
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#2
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When running X-Fire you still only have the VRAM available on one card – each frame rendered has to fit into the available VRAM on each card, it isn’t shared. For ‘alternate frame’ rendering, the cards take turns in rendering successive frames, so whatever detail is being rendered is done by one card at a time, taking turns. And you don’t need 16GB of RAM for any game – most are 32-bit and therefore couldn’t use more than ~3GB, although I have never seen CloD use more than ~1.30GB (even when VRAM usage reaches nearly 2GB). Having more RAM than you need won’t improve performance; it will make your machine a little slower since all the memory will still need to be mapped by the system, even if it is not in use. The actual difference is negligible, though.
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I'd rather be flying ... Gigabyte 990FXA-UD5 | AMD FX-8350 | MSI HD7970 TFOC-BE | 8GB Corsair DDR-III 1866 | Win8.1 Pro 64-bit
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#3
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Streaming engines are always difficult to handle. Most effective changes in arma 2 e.g. Which is also streaming engine is to use a faster hdd. I went from 7200 rpm to veloci raptors with 10.000 rpm and in raid config. Afterwards I bought a samsung 830 ssd, which was one of the best in all day usage. Although I still only have sata 300 and cannot use its whole speed, it was a good step, which I do not want to miss anymore. All steps used to reduce performance problems with arma 2.
Now in clod, you have the additional high texture load, more details and even higher viewing range than arma has. Also the fact , that sims generally are also cpu consuming, it gives you even more probs. My first steps: Bought (also for future purposes) a 3 gb graphics card with good performance and a high vram interface -> so the only chance was a ati card! Additionally I overclocked my old i7 920, which is still fast enough for most actions, up to 4ghz. Raw Ghz power do the trick in many games. They are not quad optimized perfectly, so some additional performance increases of new cpus are not that much. Tje only thing, that makes a newer intel cpu cool to have is the overclocking. Raw power can be encreased even more with them. 4.4 air cooled is quite nice to have.In clod, this means: raw power increase of a quad up to 4.4 e.g. prevents to run directly into an additiinal cpu bottleneck. I personally have my bottleneck still on my cpu at 4 ghz. But on my resolution, performance is okay on high details. Sli and xfire do not double vram, which is the most annoying problem with it, especially drivin games on triple monitors on high res. No matter how much fps the cards in sli are creating, you always have the problem of vram. Those with 2 x 3 gb cards are closest to solve that problem. So my 7970 performs good on high res and xfire ( with a profile ) should perform best for triple monitors. Doing an sli with slower 680's with a small vram interface and with only 1.5 gb is the worst you can do. And those guys will underperform in every game, who needs or uses much vram. A casual game programmed for multiplatform is out of scope here. Any graphics card can play bf3. Just the small eyecandy is using graphics power. But it is optimized to run also on a ps3 with 512 mb vram. Please never use such games to validate your graphics card. Use high scaling games, mostly pc games, and games with high detail textures, e.g. Skyrim WITH HIGH TEXTURE MOD or crysis, which can use much vram. Crysis 1 with texture mods on ultra could use up to 4gb vram, if the card has it. Sometimes more. Just some words to explain again, what is important, what is not and how games of today behave. Much eye washing and not much development on core graphics, except increasing details/polygons and implementation of tesselation. Graphics evolution is not so fast anymore. They are concentrating to feed the majority and there is no need for revolutions for all of them. |
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#4
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This game is a great example of crummy code.
Optimized for nothing and nobody. The voices are awful, the graphics while wonderful are anything BUT immersive since a cray can't run it without stuttering. In short, the game is bad. Further I am disappointed that there is a collaboration in the works. The best engine fused with the worst? I for one am incredibly disappointed. |
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#5
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Go figure.
The longer you play the game, the fewer the stutters? As though something is cached/indexed/ etc for later use. |
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#6
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Have you defragged your computer lately, removed junk files? You don't need to have everything set to high to make the game look pretty. If your getting stutters, the problem is with your computer or settings, not the game. I run an Athlon II X2 215, 4GB RAM & HD5850, everything set medium & high apart from Forest & Building Amount, even online with 60+ players its smooth. If your here to troll, someone will give you the definition of angry pretty soon. |
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#7
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#8
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Awesome, that people come here and want to troll with experienced guys. Are you 14-16? Then I know, why you are not capable of writing something, that is not directly an epic face palm! |
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#9
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Perhaps you should ask before making assumptions. This game is what I said; and your reply, while refuting nothing lends more credence to my position. May I refer to you as a fanboi, now? White triangles for tracers? RoF carries twice the number of objects with none of the performance issues. Even Forrest Gump knew bad code when he saw it. |
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#10
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"Suspension of Disbelief" is an important attribute for anyone who likes flight sims, but in this case I think I've reached a point I'm just not going to cross.
Last edited by Skoshi Tiger; 01-16-2013 at 01:56 PM. |
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