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How to run LinPack stress test(LinX/IBT)properly-an explanation(maybe a guide) - Page 2

post #11 of 128
Thread Starter 
@ bluebunny
Thanks

@ namurt
Glad you found the post useful
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post #12 of 128
great write up! i will now try and run it "correctly" also, i did one run while it was not "correct" and i only got 22GFlops i believe w/ a 4.2ghz clock on my i5. and temps went from first 1-5/10 passes at 75 degrees to last 10 passes at 55-60degrees.
Edited by tanderson - 1/31/10 at 10:20pm
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post #13 of 128
Thread Starter 
Thanks.
22 gigaflops is too low for an i5 even at stock.Once you get your rig to run the test properly,your temps may be higher,& you may need more vcore for stabillity.But the advantage is you can run any apps on your stable sytem confidently after that.
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post #14 of 128
yeah i was testing when i had other things open, i did like the guide says. wait 10 minutes after start up and run it. i got 55gflops. but i was only using like 1500 mib and couldnt really get much more than that even though i have 4gigs of ram.
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post #15 of 128
Outstanding write up. Thank you.
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post #16 of 128
so ive got a quick question. so far i ran linx and it failed w/ like 4 minutes into the test. but that was w/ 1400 mib or something now im running it w/ 15 or 1700 mib i think and its past 7 minutes already, so what if it passes the 20 passes i set it for now and then if i set if for 50 passes after that it fails.
would you consider it stable or what should i do. wait a bit and re-run the test? the only thing im doing is running the test and watching temps. no other apps are open
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post #17 of 128
Thread Starter 
@ tanderson
Sorry for the delay!
If you are using 32-bit windows,then you can only select about 1500-1700 MB of ram in LinX.IBT,on the other hand lets you select up to 2047 MB.
Note that if your oc is stable,you would be able to to pass the test for 20 or 50 passes.You only need to run the test properly & keep the GIGAFLOPS values in check everytime.
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post #18 of 128
Thanks for the guide +rep.

Is this correct for mine? Amd 710 @ 3.61Ghz
Avg. Time: 136
Avg. Gflops: 36
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post #19 of 128
Thread Starter 
Quote:
Originally Posted by gtsteviiee View Post
Thanks for the guide +rep.

Is this correct for mine? Amd 710 @ 3.61Ghz
Avg. Time: 136
Avg. Gflops: 36
Let's estimate:
Your CPU supports SSE2 all right,and you have 3 cores @3.61 GHz.
As I've explained the max theoritical value for a single core @ 1 GHz is 4 GIGAFLOPS.So for your CPU:
3.61X3X4=43.32 GIGAFLOPS
The actual value is definitely less than that.

I think 36 GIGAFLOPS is actually a good result.Well done!
Note that you may be able to increase the value a bit with some tweaking.
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post #20 of 128
Quote:
Originally Posted by PERSPOLIS View Post
Let's estimate:
Your CPU supports SSE2 all right,and you have 3 cores @3.61 GHz.
As I've explained the max theoritical value for a single core @ 1 GHz is 4 GIGAFLOPS.So for your CPU:
3.61X3X4=43.32 GIGAFLOPS
The actual value is definitely less than that.

I think 36 GIGAFLOPS is actually a good result.Well done!
Note that you may be able to increase the value a bit with some tweaking.
Hmm.. Thanks, I think this is probably the best tweaking my computer can handle.
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