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-   -   CUDALucas (a.k.a. MaclucasFFTW/CUDA 2.3/CUFFTW) (https://www.mersenneforum.org/showthread.php?t=12576)

ET_ 2010-11-16 10:23

[QUOTE=msft;237268]Good News.:lol:[/QUOTE]

Yep, the residues match! :smile:

Luigi

msft 2010-11-22 01:20

[QUOTE=frmky;197052]
[URL="http://www.mersenne.org/report_exponent/?exp_lo=36500089&exp_hi=&B1=Get+status"]36500089[/URL]
[/QUOTE]
I finish third check.:sad:

frmky 2010-11-22 01:30

[QUOTE=msft;238186]I finish third check.:sad:[/QUOTE]

But it's valid since it agrees with the original Prime95 residue. I wonder which GPU this was...

msft 2010-11-22 03:15

[QUOTE=frmky;238189]But it's valid since it agrees with the original Prime95 residue. I wonder which GPU this was...[/QUOTE]
Cosmic ray pass your Tesla ? We need Scintillation Counter.:smile:

ixfd64 2010-11-22 10:09

The residue mismatch for M100000039 means that either the CPU (for the first-time test) or the GPU (or maybe both, but the chances are slim) had a memory error. My money is on the GPU.

Consumer video cards are designed for gaming rather than technical computing, so they don't have as many error-checking features. A Tesla card would be less likely to generate an incorrect residue.

msft 2010-11-22 12:59

Hi ,ixfd64
[QUOTE=ixfd64;238232] My money is on the GPU.[/QUOTE]
frmky have 4 mismatch(22094129,23102129,36500089,36500119).
1 GPU error,2 CPU error,1 unverified.:smile:

msft 2010-11-26 00:15

4th check with GTX460.
[QUOTE]M( 36500089 )C, 0x0209cfdcbadbadfe, n = 2097152, CUDALucas v1.0[/QUOTE]

msft 2010-11-30 23:14

[QUOTE=frmky;197052][URL="http://www.mersenne.org/report_exponent/?exp_lo=36500119&exp_hi=&B1=Get+status"]36500119[/URL][/QUOTE]
I finish third check.:smile:

vsuite 2010-12-28 01:15

Apologies all, I searched

Is there a windows binary link for CUDALucas please? Thanks.

msft 2010-12-28 20:47

Hi ,vsuite
[QUOTE=vsuite;243592]
Is there a windows binary link for CUDALucas please?[/QUOTE]
It is not yet.

msft 2011-01-19 00:03

[QUOTE=wavelet3000;216917][URL="http://www.mersenne.org/report_exponent/?exp_lo=68808029&exp_hi=68808029&B1=Get+status"]M68808029[/URL]
(4M fft)
Took 16 days on GTX280 and yielded 194 GHz-days. I am not sure if I will have the patience to double check it soon. In the meantime, I off to testing 88M-range exponent (with 8M fft) and shopping for Fermi :flex:[/QUOTE]
Finish double check with Prime95.
Thank you wavelet3000,


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