Bottlenecks 5 replies

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random_soldier1337

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#1 8 years ago

What are they if they are anything other than causes of slowdowns and hiccups in your computer?

What causes them?

Are they due to a more qualitative or quantitative factor? If it's quantitative then how much of an amount makes a significant, non-negligible difference?




Yannick

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#2 8 years ago

A bottleneck is simply a piece of hardware or software configuration that prevents another piece of hardware from running at full capability because it cannot support it, much like how the neck of a bottle prevents all the liquid from flowing at once.




random_soldier1337

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#3 8 years ago

Not sure I get the analogy but I was asking for more of the kind of stuff that causes it and like how it can be significant and all.




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#4 8 years ago

The thread name, 'bottlenecks' may be what you're looking for to a degree, but it's definitely not the only reason for slow-down. Basically, a bottleneck is when 2 pieces of hardware are unbalanced as far as power goes, so the more powerful piece of hardware is bogged down by the slower piece of hardware (e.g. a 'gaming system' with a core i7 and a low-end GPU such as the Nvidia 7200 not being able to play COD4 on max settings). There are dozens of factors that can cause various bottlenecks, whether they be slight or major. A common thing, which I don't know if it is considered a bottleneck or not is hard drive speed. Having a mechanical hard drive cannot access information as fast as it can be sent to and processed by the rest of the system, whereas 20 SSD's in RAID (0, I think) show how dramatic the bottleneck is. At this point, the power balance will probably start to sway in the other direction.




random_soldier1337

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#5 8 years ago

Do you have any exact idea as to how much of a difference creates a bottleneck? Like something with an i7 and a GTX 260 or 280, would that have a bottleneck? Basically what I'm asking is can you actually know how exactly how much of a difference creates how significant a bottleneck?




Adrian Ţrumpeş Forum Mod

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#6 8 years ago

Mostly through trial and error. Sometimes it's more obvious though; for example: a 2.2ghz intel P4 would be a bottleneck for a gtx 260. It's not always easy to explain exactly what causes a bottleneck. Sometimes it has to do with clock speed on a CPU and the type of hardware (which I believe the biggest factor).


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