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 Post subject: Quick question world.At
PostPosted: 17 Jan 2012, 23:41 
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Joined: 07 Jul 2007, 23:55
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Quick question world.

At idle, my vcore is around 1.376-1.384. When is gets more load it goes down. Vdroop IIRC.

I am at 1.312-1.328 at full load 8 threads in Prime95.

Is that too high of an idle vcore?


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 Post subject: Idle should be super
PostPosted: 18 Jan 2012, 01:03 
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Idle should be super low.

Mine idles at around 0.8-0.9v when it's running at 1600MHz.

When turbo kicks in and it goes up to 4800, it jumps up to 1.4v (which is what I have set).


What tool are you using to read those results? I'd verify with CPU-Z first. It's more accurate at measuring the voltage than a lot of other software.

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 Post subject: I was giving the CPU-z
PostPosted: 18 Jan 2012, 01:44 
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I was giving the CPU-z results. ASUS AI Suite is very close to CPU-z as well. I am using a Sabertooth P67 mobo.

It is always showing as 4500 mhz even with just CPU-z running and the system at idle.

I also have all the power saving thingies enabled except EPU.

I guess I should take some pics of my bios.


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 Post subject: I am guessing I borked
PostPosted: 18 Jan 2012, 02:15 
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I am guessing I borked something here.













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 Post subject: Sounds like you have
PostPosted: 18 Jan 2012, 03:45 
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Sounds like you have SpeedStep disabled or something.

Here's what's different from my setup:
I use By Per Core instead of By All Cores and I set each one to 48, or 45 in your case.
Internal PLL Overvoltage set to Auto.
Load-line Calibration set to Ultra High.
VRM Frequency set to Manual.
VRM Fixed Frequency Mode set to 350.
Duty control set to Extreme.

I have my turbo set higher, so some of my options apply here and not yours.

I don't see anything in your screens related to SpeedStep (I don't think mine has a setting for that either, it's just always on.)

Edit:
Actually, it may be your By All Cores setting. This is left up to the OS to decide what ratio to use. You might need to install some Intel driver or something to manage the ratios within Windows. When set to By Per Core, the BIOS manages it. Try it out and let me know.

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PostPosted: 18 Jan 2012, 05:47 
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Changing tp per core did not make any perceptable difference. I think all cores allows a bios utility to change in Windows.

Internal PLL Overvoltage had no difference.

LLC was very, very bad. No change at idle but load went to 1.46+ vcore and one core was over 80C in seconds.

I was too scared to try the VRM frequency settings.

NO change with Duty Control.

However, on a lark I changed all the C states from Auto to Enabled and it worked I think.

Cores now idle at 1600 or 4500. They switch between. Vcores seem to be 1.0~~ to 1.2~~ when idling and 1.312-1.328 at full load with Prime95.

So, win, I think. Thanks.


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PostPosted: 20 Jan 2012, 18:51 
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crap crap crap!
can't find the maximum PC article, it might have only been in the actual magazine and not online..

Basically they said that the performance was negligable in most tests, the only real time HT made a differance was apps that are multithreaded to work with more than 4 cores. and in those apps they saw as high as a 20% boost. and made the statement. Adding 4 more virtual cores can give you enough boost that its similar to adding 1 more physical core. but only in a very small percentage of apps.

if i can find somethign more solid than " i read this" ill link to it :)

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PostPosted: 21 Jan 2012, 02:57 
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Hyper-threading isn't the same as a "virtual core" nor is it the same as a physical core.

The only reason you see a gain in a small percentage of apps is because not every app requires more than four threads. Applications that use more than four threads will always see a gain in performance. This is why audio and video applications often see large gains in performance while games do not. Old games are almost always run on a single thread. Even when two physical processors and dual-core processors became more common games were still designed primarily around running on a single thread. It wasn't until the Xbox 360 and PS3 that games really started to take advantage of multiple threads. This is due to the nature of the Xbox 360 having three cores capable of executing two threads each (six threads total), and the PS3 having one primary core with 6 effective smaller cores. To get the maximum performance out of games developers had to start multi-threading their games. For quite awhile the Xbox 360 and PS3 were both ahead of PC performance because at the time most PC users only had dual-core systems.

Anyway, because of this, as more console games get ported over to the PC, and new games come out in general, they will be taking advantage of more threads and cores and it will be beneficial to have HT.

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PostPosted: 22 Jan 2012, 02:34 
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So I was getting some display flickering after cold boots that had no power going to the components for a while.

Figured I screwed up and forgot everything I learned about troubleshooting. Messed with the BIOS settings, software, and connections before wising up and attempting to record it in FRAPS. No problems show. I guess it is a problem with the LCD. I think I am under warranty.


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