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8350 bottleneck single gtx560? - Page 2

post #11 of 20
No way an 8350 is bottle-necking a 560. I'm running an decent clocked 8320 and it's in no way bottle-necking my very high overclocked HD7850.
post #12 of 20
Quote:
Originally Posted by *ka24e* View Post

No way an 8350 is bottle-necking a 560. I'm running an decent clocked 8320 and it's in no way bottle-necking my very high overclocked HD7850.

i agree my fx-4130 can keep up with a 7870 clocked to keep up with a 7950

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post #13 of 20
Try a fps game.anything that isnt using both gpu wont say if you jave a bottleneck.also Check gpu usa while thr game and.which is your resolution? And sometimes sli shares the load between both gpu soI think gpu load is lower
post #14 of 20
Quote:
Originally Posted by Tugz View Post

that's very weird your getting bottlenecking on those cards. when i had my 8350 with 2 amd 7950's i never encounter any bottlenecking in any game. re-install drivers? What ram you using? Speed? I've read many threads about bottlenecking with the 8350 due to the ram.

You always had 100% (~99%) GPU utilization in every single game? Seriously?

I would be very interested to see an example of a legitimate case where the SYSTEM RAM speed/bandwidth was a bottleneck in a gaming workload (not counting system RAM used as VRAM). (in order to prove the legitimacy, the performance would have to scale proportionally with RAM speed increases).


Quote:
Originally Posted by *ka24e* View Post

No way an 8350 is bottle-necking a 560. I'm running an decent clocked 8320 and it's in no way bottle-necking my very high overclocked HD7850.

Never had the GPU drop below 100% utiization (or ~99%) Never had a CPU core peg at 100% in any game, ever? really?

Remove from your thoughts the idea that a bottleneck is a "bad" or "noticeable" thing. Lots of games are CPU bound. It doesn't mean there is something wrong, they play just fine.

Do you always log your hardware activity to confirm?
Edited by mdocod - 3/11/14 at 11:35am
     
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post #15 of 20
The whole "bottleneck" idea is so hard to define.
I've had situations where my FX-55 would push a 460GTX to 100% load and not be at 100% cpu usage, it jaded me towards the whole concept.
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post #16 of 20
I don't find it hard to define at all.

The bottleneck for a given workload is at whichever component is effectively setting the pace for the rate of job completion by operating at maximum throughput. If that component's clock speed is scaled up and down, then performance in that particular workload scales up and down with it.
     
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post #17 of 20
Quote:
Originally Posted by mdocod View Post

I don't find it hard to define at all.

The bottleneck for a given workload is at whichever component is effectively setting the pace for the rate of job completion by operating at maximum throughput. If that component's clock speed is scaled up and down, then performance in that particular workload scales up and down with it.

In the case of games the workload is all over the place, not easy to consistently provide a 100% workload for either cpu or gpu , let alone both.
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post #18 of 20
I disagree entirely, workload being all over the place, in and of itself, can not be the cause of throttled behavior. They don't have a mind of their own. If the workload isn't throttled, it will always find the weakest link and peg throughput on that link. The OBSERVATION of hardware utilization can add confusion because we're only seeing snapshots, and not real-time information on hardware saturation. Combine that with the fact that workloads are often moved around from core to core, and it is easy to "miss" the pegged resource on observation. This doesn't mean it doesn't happen, it just means you can't always see it happening.
Edited by mdocod - 3/11/14 at 11:42am
     
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post #19 of 20
Quote:
Originally Posted by mdocod View Post

I disagree entirely, workload being all over the place, in and of itself, can not be the cause of throttled behavior. They don't have a mind of their own. If the workload isn't throttled, it will always find the weakest link and peg throughput on that link. The OBSERVATION of hardware utilization can add confusion because we're only seeing snapshots, and not real-time information on hardware saturation. Combine that with the fact that workloads are often moved around from core to core, and it is easy to "miss" the pegged resource on observation. This doesn't mean it doesn't happen, it just means you can't always see it happening.

You are most welcome to disagree smile.gif
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post #20 of 20
Quote:
Originally Posted by cssorkinman View Post

The whole "bottleneck" idea is so hard to define.
I've had situations where my FX-55 would push a 460GTX to 100% load and not be at 100% cpu usage, it jaded me towards the whole concept.

The exact moment in which one piece of hardware starts to work at anything other than 100% speed due to a single other component not being able to keep up, for whatever reason, is a bottleneck.

People associate the word bottleneck with something that's horrible yet avoidable, and in some cases they can be, but the truth is the majority of the time they're always going to be there and usually not a big issue at all.
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