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[MPC] Intel Treats PAX Attendees to SSD Overclocking Demonstration - Page 5

post #41 of 76
heh was about to post this, good thing i searched first tongue.gif
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post #42 of 76
Quote:
Originally Posted by Domino View Post

For what ocn is...doesn't seem like most understand overclocking ... That 200 mhz difference between most processors just mean the chip can handle more with the same stability
That's incorrect.

All chips will have an occasional fault. How often, what kind, recoverable, detectable vary. So when overclocking, we are just extracting more performance while keeping these faults within subjective user acceptable ranges. It may seem more stable while testing in the short-run (hours/days) but it probably is not as stable if testing for long periods (months). Mission-critical server chips like POWER, Itanium, and Xeon E7 have RAS features that go beyond what a consumer might consider stable: http://www.intel.com/content/www/us/en/processors/xeon/xeon-e7-family-ras-server-paper.html

The difference between a CPU or RAM fault is that they are almost always transient. Some live calculation that results in a bad value. This might result in crash, a graphical glitch, a miscalculation, etc. Storage is basically always permanent. A fault there means data is wrong and will never be fixed (if some type of ECC does not detect). The system/user will not no that this error occurred until they attempt to access the data again which maybe days/months/years. By that time, the original source has a much higher chance of no longer being available.. It's a completely different paradigm.

I would rather have faults on my OS disk because the OS can repair itself and files are often accessed. A worse scenario is silent faults on data storage and not discovering them for months. i.e. Image, encrypted, or .iso corruption would very bad thing.
Quote:
Originally Posted by Domino View Post

If the chip is stable at a higher clock speed, where they, through engineering projections, determined, based on their yields and the binning of their chips, that the maximum profitable clock speed, while rounding the number for convenience-sake, was X, so they can ensure that the majority of their products, based on the binning, maintains stability at clock X, then they'll sell as such and underclock to further that insurance. The doesn't mean you'll lose stability over a slight overclock when the chips were original designed, and capable, of handling those clock rates.
However, you have absolutely no way of knowing what that threshold is and Intel is not guaranteeing anything.

This is why I was wondering... why doesn't Intel just sell a X-series that comes pre-set at higher clock or have a turbo mode by default?
Edited by DuckieHo - 9/3/13 at 9:09am
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post #43 of 76
When I first started overclocking, getting your Windows installation corrupted due to memory controller or even the southbridge going bananas from your settings was not hard to happen.
The fact that now we can have a gazillion BSODs and return to normal operation within a few clicks without re-installing everything is something I am not willing to change in order to gain 10% to something that won't gain me any tangible performance difference in my workflow.

Will stick to the intangible gains from my "almost 5GHz" 3930K and 1150MHz Titan. rolleyes.gif
Oh, and the really intangible from my Samsung Greens @ 2400
Edited by pcfoo - 9/3/13 at 9:33am
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post #44 of 76
Quote:
Originally Posted by Domino View Post

If the chip is stable at a higher clock speed, where they, through engineering projections, determined, based on their yields and the binning of their chips, that the maximum profitable clock speed, while rounding the number for convenience-sake, was X, so they can ensure that the majority of their products, based on the binning, maintains stability at clock X, then they'll sell as such and underclock to further that insurance. The doesn't mean you'll lose stability over a slight overclock when the chips were original designed, and capable, of handling those clock rates.

Of course Intel wouldn't allow us free access to chipset Sata overclocking at our leisure when a) we would cross the no-return frontier time and again, blame them for data loss and such bad PR b)they can stratificate their "Sata OC" offering depending of what chipset/SSD you have. They have to limit it to an acceptable range, and they would limit it depending on how many Dolans $ you spent with them. wink.gif

But what engineering projections don't show you is that technology isn't exact maths. Once it's there out in the wild, I'm sure many, despite having perfectly fine tuned and functional systems, will met the variable or set of variables needed to data corruption and loss. If it can go wrong, hey, I'm sure us OCN folks we'll find it sooner than anyone, since it seems to me we're the biggest and most diverse hardware ecosystem out there. tongue.gif
Edited by Nonehxc - 9/3/13 at 11:00am
    
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post #45 of 76
This is dumb, nuff said.....
post #46 of 76
It doesnt scale properly and how many times are you going to corrupt your os before stable oc?
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post #47 of 76
Quote:
Originally Posted by TheLAWNOOB View Post

It doesnt scale properly and how many times are you going to corrupt your os before stable oc?

The scaling is non-linear because the DRAM and processor frequency are only two of the dozens of variables that determine SSD performance (and then there's the algorithms themselves).

How do you test stability?
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post #48 of 76
If I want a faster drive, I will buy a faster drive. Overclock your SSD... shame on you Intel.
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post #49 of 76
Quote:
Originally Posted by DuckieHo View Post

How do you test stability?

On your knees with your hands together...Or a wishing well.
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post #50 of 76
Surprised they didn't try overclocking a keyboard while they were at it.
Instead of an overclocked SSD they should work on giving us shorter boot times, like two seconds or less. biggrin.gif
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