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AMD FX (Bulldozer) Owners Club! - Page 476

post #4751 of 8112
Quote:
Originally Posted by Tweeky View Post

but seeings bulldozer won't run faster than a 1090T on air it doesn't matter how fast it flops back and forth
you got to remember that a 1090T is like running 12 half coars

I was up to 4.5ghz no problem on a CM 212+, I went with an H100 only because I wanted a very much overkill heatsink.
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post #4752 of 8112
Quote:
Originally Posted by Bubba Hotepp View Post

What he means is that if Mechraven is using IBT or another program that's coded using intel's compiler then the instruction sets such as SSE, AVX, FMA4 are not being used on his AMD CPU and if they were it would be much faster (do a search how intel's compilers cripple AMD CPU's).

I know about the compiler.
IBT also has an AVX setup for Intel, only works with intel, on windows 7.

Also AMD doesn't decode x87 with SSE2 support like Intel CAN do.
Quote:
Originally Posted by Mr-Mechraven View Post

Ok i found a seperate test to measure GFLOPS, i did originally use IBT to measure and was getting 24-30 GFLOPS.
However after running SiSoft Sandra it turns out a completely different result !!
FX-8120 3.1Ghz @ Stock Turbo enabled C1E ,C6 = 55.01 GFLOPS >> Peak Performance = 99.55 GFLOPS
Intel i5 2500K @ Stock Turbo 3.7Ghz = 56.09 GFLOPS >> Peak Performance = 78.72 GFLOPS
These results are from stock, dare to think what will happen overclocked ?? drool.gif


I'm more thinking about My chip having a 5.5Gflop for a single core and single module vs

3.7Gflop with a single core when both core are used in a module. 7.4FGlops together in the module.

Where as a single Phenom II core alone makes about 10Glops I'm getting 35% less fpu when I use both cores in the module vs something like a Phenom II x4.
Quote:
Originally Posted by Lordred View Post

As I said, its all in the instruction set.
If you find an encoding program which uses AVX or FMA4 these things fly.

I'm running vista lol I can't use AVX >___<<br />
How ever When I run 4 core 4 modules its not 18% Faster in most things like windows 7 users show. It's only 12% at the most.
    
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post #4753 of 8112
Quote:
Originally Posted by Demonkev666 View Post

I know about the compiler.
IBT also has an AVX setup for Intel, only works with intel, on windows 7.
Also AMD doesn't decode x87 with SSE2 support like Intel CAN do.
I'm more thinking about My chip having a 5.5Gflop for a single core and single module vs
3.7Gflop with a single core when both core are used in a module. 7.4FGlops together in the module.
Where as a single Phenom II core alone makes about 10Glops I'm getting 35% less fpu when I use both cores in the module vs something like a Phenom II x4.

I'm getting 38.8g/flop with the Sisoft bench on my FX-4100 while at default speed (19.4g/flop per mod / 9.7g/flop per thread) I can test as higher clock speeds if you would like but I'm pretty much happy with the FX-4100 at stock speed for what I am using it for. (light H.264 encoding, light editing, casual gaming.)

Expecialy happy since I started using it with a massive volt drop. I advise any FX owner who is either doing light overclocks, or keeping it at default speed to really crank the voltage down, it has a sizeable impact on total power draw when under load, and a dramatic effect on heat generated.
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post #4754 of 8112
Quote:
Originally Posted by Demonkev666 View Post

I know about the compiler.
IBT also has an AVX setup for Intel, only works with intel, on windows 7.

Which is why you can't use IBT as a "benchmark". I only use it as a "quick and dirty" stress test while making OC adjustments.
Quote:
Also AMD doesn't decode x87 with SSE2 support like Intel CAN do.

Which programs are you using to "test" that?
Quote:
I'm more thinking about My chip having a 5.5Gflop for a single core and single module vs
3.7Gflop with a single core when both core are used in a module. 7.4FGlops together in the module.
Where as a single Phenom II core alone makes about 10Glops I'm getting 35% less fpu when I use both cores in the module vs something like a Phenom II x4.
I'm running vista lol I can't use AVX >___<<br /> How ever When I run 4 core 4 modules its not 18% Faster in most things like windows 7 users show. It's only 12% at the most

With Win 7 x64 using both bulldozer patches I see zero difference between running all cores and 1 core per module.


Edit - To the thread in general, I've been trying unsuccessfully to edit the .vmx file in VMWare to "mask" the CPUID to appear as a "genuineIntel" and then test the various benchmarks (PCMark05 was one of the "compromised" benchmarks but I have heard nothing either way with the subsequent releases from futuremark etc.). If anyone has any info on how to make it work I would love to hear it. If not I'll probably have to resort to loading up a spare HDD with windows and trying red pill.
Edited by Bubba Hotepp - 6/23/12 at 12:09pm
post #4755 of 8112
just wrote this in another tread,but i thought it should be here,"how about this for funny,i just ran bf 3 with these setting and still got the same frame rate at 2200 as at 4200,nice gpu bottleneck.",odd hu?
    
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post #4756 of 8112
Water setup all installed and starting to play. Will just put OCs in this post with edits

http://valid.canardpc.com/show_oc.php?id=2417253

http://valid.canardpc.com/show_oc.php?id=2417338
Edited by Remove - 6/24/12 at 3:55pm
post #4757 of 8112
Quote:
Originally Posted by Remove View Post

Water setup all installed and starting to play. Will just put OCs in this post with edits
http://valid.canardpc.com/show_oc.php?id=2417253
i am able to hit 4200 with 1.368v and 4ghz with 1.325v (with load line ultra high as that give same voltage under load)
    
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post #4758 of 8112
Yeah 4200 seems to be the stable sweet spot. Going to shoot for those lower voltages now.
post #4759 of 8112
Quote:
Originally Posted by MrPerforations View Post

i am able to hit 4200 with 1.368v and 4ghz with 1.325v (with load line ultra high as that give same voltage under load)

Maybe you can try 4.5 with 1.368 and 4.25 with 1.325 with LLC Ultra High.

Here's mine for reference.

438

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post #4760 of 8112
Quote:
Originally Posted by reisya View Post

Maybe you can try 4.5 with 1.368 and 4.25 with 1.325 with LLC Ultra High.
Here's mine for reference.
438
Goodluck thumb.gif

Hey I have an 8120 and I'm at 4100 with th multiplier set at 20 and frequency at 205 with 1.45v. You think if I lowered the multiplier and rasied the frequency higher I can get higher clocks?
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