Forum > GPU crunching
x38g reports
Jason G:
Manual 27fe11ac.12560.9065.8.10.100 result cross comparison under bench conditions
Claggy's x39e (GTX460) Vs my x39e(GTX480) under bench conditions: Strongly similar, Q= 99.95%
My x39e (GTX 480) Vs AKv8bx64SSSE3x: Result : Strongly similar, Q= 99.74%
Claggy's x38g (GTX 460) Vs x39e(My GTX 480): Result : Strongly similar, Q= 99.97%
Claggy's x32f (GTX 460) Vs AKv8b( My e8400): Weakly similar. (Bodgy Best Gaussian)
Claggy's x32f (GTX 460) Vs x39e(My GTX 480): Weakly similar. (Bodgy Best Gaussian)
Tentative analysis: The known CPU app spikes issues are playing no part here. The bodgy best Gaussian is in x32f due to innacurate stock nVidia chirp ( ~48 bit precision emulated floating point), I've kept complete documentation on how I fixed that chirp in the alpha ivory beer tower. x32f & the stock code it came from are crap with highly chirp sensitive signals.
On the live runs, the x38g result likely didn't match the x39d result purely due to the known stability issues we are here to resolve on that class of card.
AKv8b found here:
--- Quote ---Spike count: 8
Pulse count: 4
Triplet count: 0
Gaussian count: 2
--- End quote ---
with the live run CPU 6.03 guy finding:
--- Quote ---Spike count: 8
Pulse count: 4
Triplet count: 0
Gaussian count: 3
--- End quote ---
Now A stock cuda 6.08 wingman has rocked up, STILL INONCLUSIVE....LoL... ;D
--- Quote ---Spike count: 8
Pulse count: 4
Triplet count: 0
Gaussian count: 2
--- End quote ---
IMO, all the results are broken in some way apart from the offline AKv8b ones & the x39d/e results.
Jason
Claggy:
Here's the results of the 9800GTX+ run, all apps Strongly similar,
Claggy
Jason G:
Well, unfortunately the 9800 result has the stock-x32f-style bodgy gaussian against AKv8b so there will be something to look at deeper with the pre-Fermis (That gaussian drift against CPU results has been there for a long time though)
perryjay:
And here I thought I was just going to show something kinda interesting. I didn't know I was gonna start all this! :o
arkayn:
I thought it was the 560's having problems, I have not seen any problems from my little 460.
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