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How is this CPU not a bottleneck?! - Page 6

post #51 of 60
Quote:
Originally Posted by jy360 View Post
its not a "bottleneck" no, but it may hinder performance in certain circumstances... as any other CPU would. when we go into the league of lower end dual cores on highly CPU intensive games on full settings and high resolutions then we can start talking about bottlenecks

edit: atomicfrost is correct. well done
That would make the bottleneck much more obvious...but it doesn't have to be obvious or hinder performance exceptionally to exist. It's like the difference between a q9550 getting 80fps in bc2, versus a 2500k getting 110. It's not necessarily drastic..but there are signs of the better cpu aiding in performance.
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post #52 of 60
Quote:
Originally Posted by jy360 View Post

edit: atomicfrost is correct. well done
WTH? You have been running in circles saying what he just explained is NOT a bottleneck. Were you trolling? I really feel sorry for the OP having to read through this.
post #53 of 60
Quote:
Originally Posted by Goaky View Post
So you´re saying his 6970 is bottlenecking his Phenom 9850 BE?
In this case? Yes to an extent. The OP stated that he is running ~60FPS, and the GPU is being ~100% utilized. In this game the CPU may never be the bottle neck. There will always be some sort of bottleneck with games. Unless the game is running at some arbitrary limit imposed by the game itself.

Ex. If I remember correctly, COD BLOPS has an imposed 200FPS limit. Unless you are running the game at 200FPS there is some sort of bottleneck.

You could even say that LCD monitors are a bottleneck due to them being unable to display more then ~60 or ~120 FPS. (LCD, 60hz or 120hz)
Edited by AtomicFrost - 6/11/11 at 3:40pm
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post #54 of 60
Quote:
Originally Posted by jy360 View Post
its not a "bottleneck" no, but it may hinder performance in certain circumstances... as any other CPU would. when we go into the league of lower end dual cores on highly CPU intensive games on full settings and high resolutions then we can start talking about bottlenecks

edit: atomicfrost is correct. well done
The hindering of performance is a bottleneck, Correct me if im wrong.
    
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post #55 of 60
i never said it was a bottleneck! seriously im not having this conversation anymore, if you want to ask me any questions then please do so by PM.
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post #56 of 60
Quote:
Originally Posted by BroadbandWarrior View Post
The hindering of performance is a bottleneck, Correct me if im wrong.
I'll crib the difference between the opposing parties from Wikipedia an label them A and B...

A) "A bottleneck is a phenomenon where the performance or capacity of an entire system is limited by a single or limited number of components or resources."

B) "In engineering, a bottleneck is a phenomenon by which the performance or capacity of an entire system is severely limited by a single component."

Basically, it is the word "severely" that is the hangup. I've always used and (until somewhat recently) seen the word used in its second context in relation to PC performance.

The use of it in its first form in relation to PC performance is mostly the product of people using it in the broadest term possible because it supports their point better.

So now, anytime one person has a CPU that performs better than a second person's CPU, the second person's CPU is bottlenecking his GPU by version A. IMO bottleneck version B (severely) works better in performance discussions, but to each their own.
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post #57 of 60
Quote:
Originally Posted by AtomicFrost View Post
In this case? Yes to an extent. The OP stated that he is running ~60FPS, and the GPU is being ~100% utilized. In this game the CPU may never be the bottle neck. There will always be some sort of bottleneck with games. Unless the game is running at some arbitrary limit imposed by the game itself.

Ex. If I remember correctly, COD BLOPS has an imposed 200FPS limit. Unless you are running the game at 200FPS there is some sort of bottleneck.

You could even say that LCD monitors are a bottleneck due to them being unable to display more then ~60 or ~120 FPS. (LCD, 60hz or 120hz)
Well, the question was not whether The Witcher 2 was bottlenecking, but if the CPU might bottleneck in general while playing games. This is also why The Witcher 2 was a bad game to test after a bottleneck.

And yeah, It might be hard to figure out a limit to what´s bottlenecking and what´s not, which is probably why everyone has different ideas of how severe the performance limitation has to be for it to be a bottleneck.
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post #58 of 60
The problem if you go chasing version A bottlenecks is that the target moves every time you open a different game. the specific way a game is programmed is more likely to make a difference than anything else.

In a cpu intensive game no matter how good your cpu is your gpu will be limited, in a gpu intensiuve game the oposite is true, the only kind of bottleneck you can realy deal with and are worth worring about is where this is no longer true and a game that is normally cpu capped becomes instead capped by the gpu or vice versa or in a case where you know specifically which exact program you are wishing to min max for.

The most common true bottleneck you will see is Vram as textures get bigger and bigger and older cards like the 295 still have plenty of grunt just not enough memory to push the pixel count with all the bells and whistles.

Basically to all intents and purposes dont worry about it and be happy it is only realy a problem in extreamly imbalanced systems.
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post #59 of 60
Thread Starter 
Quote:
Originally Posted by Derp View Post
I really feel sorry for the OP having to read through this.
Yea, I'm kind of confused. I was under the impression that a bottleneck is when one piece of hardware (be it CPU or GPU etc) is slower then another it prevents the full potential of the other more powerful hardware. I saw 100% use on the GFX card 6970 and thought that maybe the CPU is not bottle necking it even though that AMD processor logically should be. Wanted that cleared up but just ended up getting confused
Edited by love9sick - 6/11/11 at 5:53pm
    
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post #60 of 60
Bottleneck is bottleneck.
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