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multi-core question????

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#1 liquidmonkey


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Posted 04 July 2009 - 08:39 AM

i have a core i7 920 and use as a utility to monitor when each of the 4 cores is being used.

i have noticed that very very seldom do all four cores get used and even more seldom does a core ever go above 20% or 40%. maybe this is normal and i don't get how multi-cores are supposed to work but i thought that when a program such as photoshop, lightroom, VLC (playing 1080p movies) or a game needs more power then ALL CORES would be used and it would show well over 50% usage.

some tasks take too long IMHO and the monitor shows the cores just around 5 or 10%. shouldn't they be at over 50% to speed things up?

is it possible to force core usuage at all?
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#2 Sterling14


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Posted 04 July 2009 - 09:02 AM

Many programs are still not able to utilize more than one core working on it at a time.

Some tasks may take too long because of ram being bogged down, or more than likely, the hard drive. Hard drive's generally cause a great amount of slowdown in a system, which many people overlook.

You can try speeding things up by going to task manager, right clicking on a process, and setting the priority higher. I'm not sure how well it will work for you specifically, but it doesn't hurt to try!
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943

#3 DaChew


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Posted 04 July 2009 - 10:08 AM

If you want to use more cpu in a multithreaded enviroment, you have to do some some heavy duty video work. Graphics and even games are no match for that i7.

No. Try not. Do... or do not. There is no try.

#4 DeathStalker


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Posted 04 July 2009 - 10:01 PM

The "need" for 4 cores is artificially driven by the NEED of computer chip makers to sell chips. Other than video editing, almost nothing uses 4 cores. It is all smoke, mirrors and hype. An E8600 will do virtually everything a new i7 will for a fraction of the cost. Also, a Mobo to run an E8600 costs a fraction of what the Mobo needed for an i7. Then there's the RAM..................... You get the picture.

Perhaps someday, program writers will design programs to use 4 cores, but then that means quad core processors have to be inexpensive enough for a majority of the computer owners to have one. But by then the 'newest" chip will probably sport 16 cores of which only 4 will ever be used and so on and so on lol.

Heck, you can play most games comfortably on a 3.2GB PentiumIV lol. I know because until last year when I built this system with a (useless overpriced) Quad core, i was playing them.

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