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-   -   GPUers, please TF my exponents! (https://www.mersenneforum.org/showthread.php?t=16165)

LaurV 2011-11-22 06:48

Is this still running, or is done? Or in fact it evolved into GPU-2-72 project?

Uncwilly 2011-11-22 07:00

[QUOTE=LaurV;279466]Is this still running, or is done? Or in fact it evolved into GPU-2-72 project?[/QUOTE]
I think the latter.

davieddy 2011-11-22 07:56

[QUOTE=LaurV;279466]Is this still running, or is done? Or in fact it evolved into GPU-2-72 project?[/QUOTE]
[url=http://www.youtube.com/watch?v=HAdottB7UU8]Yep[/url]
David

Christenson 2011-11-22 20:18

In my case, it's become GPU to 72....but I still take special requests.

Dubslow 2011-11-23 01:51

I thought this was a special request thread, which while certainly less necessary thanks to GPU to 72, still is open...

LaurV 2011-11-23 03:57

[QUOTE=Christenson;279529]In my case, it's become GPU to 72....but I still take special requests.[/QUOTE]

[QUOTE=Dubslow;279541]I thought this was a special request thread, which while certainly less necessary thanks to GPU to 72, still is open...[/QUOTE]

Same here, that is why I asked. If still open, I am available to take some special requests too.

Prime95 2011-12-16 03:30

I have 5 more exponents that need more TF:


72000209
72000283
72000343
72000449
72000479

They have already been TF'ed to 2^70 (and P-1'ed). They should be taken to 2^73 or 2^74 before I feed them to CudaLucas.

Any volunteers? Thanks.

kladner 2011-12-16 03:35

[QUOTE=Prime95;282365]I have 5 more exponents that need more TF:


72000209
72000283
72000343
72000449
72000479

They have already been TF'ed to 2^70 (and P-1'ed). They should be taken to 2^73 or 2^74 before I feed them to CudaLucas.

Any volunteers? Thanks.[/QUOTE]

I'll take one or two.

Dubslow 2011-12-16 03:46

Which ones? I'll take the last three.

Edit
[code]Factor=N/A,72000343,70,74
Factor=N/A,72000449,70,74
Factor=N/A,72000479,70,74
[/code]
I'm sure I've asked this before, but why do you test exponents that are so high?

diamonddave 2011-12-16 04:27

[QUOTE=Dubslow;282369]
I'm sure I've asked this before, but why do you test exponents that are so high?[/QUOTE]

I would guess, optimal use of GPU? Since 68M to 77.9M require 4096K FFT wich is a nice power of 2...

From the GPU LL testing FAQ:

[QUOTE]
cudaLucas Restrictions Exponents:
2<=Exponent< 151,150,000
Exponent< 39,800,00 -> 2MB FFT size
Exponent< 79,600,00 -> 4MB FFT size
Exponent<159,200,00 -> 8MB FFT size
[/QUOTE]

kladner 2011-12-16 04:29

[QUOTE=Dubslow;282369]Which ones? I'll take the last three.
[/QUOTE]

OK. I'll take the first two.

72000209
72000283
70-74.

EDIT: Running.


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