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overclocking i7 for max Gflops? - Page 3

post #21 of 29
Thread Starter 
Quote:
Originally Posted by SeanWebster View Post
You don't have hyper threading disabled do you! lol, I get 114gflops at 4.8GHz. Disable hyper threading and report back
Yeah it is disabled. That's why i'm not understanding the results.

at stock speeds I get 43 Gflops with HT on and 52 Gflops with HT off. are these normal specs?
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post #22 of 29
Quote:
Originally Posted by dembo1305 View Post
Yeah it is disabled. That's why i'm not understanding the results.

at stock speeds I get 43 Gflops with HT on and 52 Gflops with HT off. are these normal specs?
Well hyper threading makes it weird for some reason, im not sure why...but you ran 5ghz 1gb and got 70 gflops?
post #23 of 29
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Quote:
Originally Posted by SeanWebster View Post
Well hyper threading makes it weird for some reason, im not sure why...but you ran 5ghz 1gb and got 70 gflops?
yeah, I think i'm going to have a look over all the bios settings and see if there is anything I can find. If not I may just start at the bottom and re-overclock, funny thing is, when I am overclocking. It boots into windows fine, and it runs linx fine. i'm not really sure what is causing it to be so slow though.
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post #24 of 29
okay..this is why you're not getting over 100..umm..btw..what's your ram freq?You have to have win7 service pack 1 to take advantage of the avx instruction set to get higher GFLOPS i got 122 @ 5 ghz yesterday..b4 the mobo died
 
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post #25 of 29
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Quote:
Originally Posted by Schmuckley View Post
okay..this is why you're not getting over 100..umm..btw..what's your ram freq?You have to have win7 service pack 1 to take advantage of the avx instruction set to get higher GFLOPS i got 122 @ 5 ghz yesterday..b4 the mobo died
I actually do remember reading that. I'll run updates and try again.
And RAM speeds are 1600Mhz and 9-9-9-24 timings.
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post #26 of 29
see if you can overclock your ram..i got 10 more going from 1600 to 2000(that's gonna be quite dicey w/sandy bridge)
 
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post #27 of 29
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I've actually had a hard time getting it to budge. It's Corsair Vengance 8GB, but I can't get it to budge on speed or timings.
What would you recommend? I haven't tried to much with it, but i've read that having lower timings usually yields a better performance increase past about 1333-1600 speeds
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post #28 of 29
You need service pack 1 installed in windows 7 to maximize SB Gflops!
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post #29 of 29
Thread Starter 
Quote:
Originally Posted by Hacksword View Post
You need service pack 1 installed in windows 7 to maximize SB Gflops!
Sorry haven't had time to post my results because of school. But I did install SP1 and that help drastically. Now i'm getting right at 129 GFlops. But now i'm just trying to overclock my ram to gain that little bit of extra performance.

So far I've tried upping the voltage to 1.6 and while there I tried the following combinations:

888-24 1600
888-24 1333
999-24 1866
898-24-1T 1600
all to no avail

When I left it was running at 999-24-1T @1600 w/ 1.575v which isn't that much improvement but it's the best start i've been able to get.
stock speeds are 9-9-9-24-2T 1600mhz 1.5v

any tips at what i could try? I would prefer lower latency because that affects speed largely one you pass about 1600 maybe 1866.
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