Report Results Here - Page 75

Rodrigo · 2011-10-27, 03:13

M3321936691 has a factor: 41808734541465531511

Done from 60.000 bits to 71.000 bits.

Rodrigo

Uncwilly · 2011-10-27, 05:08

Quote:

Originally Posted by Rodrigo

M3321936691 has a factor: 41808734541465531511

Done from 60.000 bits to 71.000 bits.

I am assuming that ET_ is taking note of these ones, that are out beyond the current range.

I believe that you have my e-mail address. Can you send me the current data that you have for the extended OBD exponents?

ET_ · 2011-10-27, 08:08

Quote:

Originally Posted by Uncwilly

I am assuming that ET_ is taking note of these ones, that are out beyond the current range.

I believe that you have my e-mail address. Can you send me the current data that you have for the extended OBD exponents?

I'm collecting Rodrigo's results, filtering them and adding his work to yours.

Anyway, if Rodrigo sends his results to you, there will be a double or triple check about it.

Luigi

Uncwilly · 2011-10-27, 12:40

Quote:

Originally Posted by ET_

Anyway, if Rodrigo sends his results to you, there will be a double or triple check about it.

I meant you sending, not him.

ET_ · 2011-10-27, 13:57

Quote:

Originally Posted by Uncwilly

I meant you sending, not him.

I will.

Luigi

lavalamp · 2011-10-27, 22:50

no factor for M3321932567 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321932767 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321932869 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321932909 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321932969 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321933007 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321933047 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321933089 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

Rodrigo · 2011-10-30, 06:04

Quote:

Originally Posted by ET_

I'm collecting Rodrigo's results, filtering them and adding his work to yours.

Luigi

I'm not sure what this sentence means!

BTW, in case it helps to clarify things (and for the benefit of other readers), what happened is that a while ago Uncwilly sent me a batch of unpublished exponents for factoring up to 71 bits. I've been working on it since February.

Now since we're on the subject, I have a question. At the current rate, I'll be done with this batch come January. In the interim, GPU computing has taken off big-time, with a few folks turning in prodigious amounts of work to unprecedented depths. (I don't know what might be happening with unpublished ranges other than mine.) Once my batch is completed, should I dedicate my OBD PC to other pursuits?

Rodrigo

Christenson · 2011-10-30, 14:59

Rodrigo:
IMHO, you should buy your OBD PC some Christmas presents...I have a basic GTX440, and a GTX480, both of which do OBD part time. Lavalamp has better cards than me...and undoubtedly a bigger power supply. I'm going to get a UPS in front of my power supply, too.

Failing that, P-1 work seems most needed for primenet, or you could look at some of the other factoring projects. You'll need 500M of memory free to make P-1 work, with an optimum around 1-2 Gig.

Rodrigo · 2011-10-30, 21:24

Quote:

Originally Posted by Christenson

Rodrigo:
IMHO, you should buy your OBD PC some Christmas presents...I have a basic GTX440, and a GTX480, both of which do OBD part time. Lavalamp has better cards than me...and undoubtedly a bigger power supply. I'm going to get a UPS in front of my power supply, too.

Failing that, P-1 work seems most needed for primenet, or you could look at some of the other factoring projects. You'll need 500M of memory free to make P-1 work, with an optimum around 1-2 Gig.

Christenson,

Thanks for the suggestions.

This PC we're talking about was the original motivator for me to investigate GPU computing. (BTW I feel terrible about not moving on the GPU wiki already, work has been overwhelming.) I'd hoped that by adding a suitable video card to it, I might bring this Pentium II system to a performance level closer to mediocrity.

Sadly, though, the PC has only PCI and AGP slots, and in any case there aren't any Windows 98 drivers for the CUDA-capable cards it could take. RAM is topped out at 384MB. So AFAIK it's limited to either Prime95 TF or OBD. I'd keep it on OBD, except that the assignment+reporting system isn't automated and I don't want to create administrative headaches with respect to who can do what, when.

(The GPU research wasn't in vain, though. I did buy a GT 430 for a 3.2GHz Pentium Dual-Core E6700 computer, and it's adding about a third CPU core's worth of LL output.)

Rodrigo

Christenson · 2011-10-31, 23:00

Coughs and spits at all the cobwebs on a PII!!! Uh, if you want that machine to do much useful, get it an ubuntu CD and boot it up and do word processing and programming and such on it. Or get you some ECM GHz-Days with P95...that's only a compute-pony, and only if you get it a new CPU and motherboard, will you have a compute horse or two...

Rodrigo · 2011-11-02, 05:16

Quote:

Originally Posted by Christenson

Coughs and spits at all the cobwebs on a PII!!!

LOL -- well, I did say I'd wanted to bring the machine "up" to a mediocre performance level...

ECM with Prime95 on that PC? I'd never thought of that. Will look into it, thanks.

Rodrigo

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2011-10-27, 03:13	#815
Rodrigo Jun 2010 Pennsylvania 2·467 Posts	M3321936691 has a factor: 41808734541465531511 Done from 60.000 bits to 71.000 bits. Rodrigo

2011-10-27, 22:50	#820
lavalamp Oct 2007 Manchester, UK 54D₁₆ Posts	no factor for M3321932567 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321932767 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321932869 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321932909 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321932969 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321933007 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321933047 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32] no factor for M3321933089 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

2011-10-30, 14:59	#822
Christenson Dec 2010 Monticello 3403₈ Posts	Rodrigo: IMHO, you should buy your OBD PC some Christmas presents...I have a basic GTX440, and a GTX480, both of which do OBD part time. Lavalamp has better cards than me...and undoubtedly a bigger power supply. I'm going to get a UPS in front of my power supply, too. Failing that, P-1 work seems most needed for primenet, or you could look at some of the other factoring projects. You'll need 500M of memory free to make P-1 work, with an optimum around 1-2 Gig.

2011-10-31, 23:00	#824
Christenson Dec 2010 Monticello 5·359 Posts	Coughs and spits at all the cobwebs on a PII!!! Uh, if you want that machine to do much useful, get it an ubuntu CD and boot it up and do word processing and programming and such on it. Or get you some ECM GHz-Days with P95...that's only a compute-pony, and only if you get it a new CPU and motherboard, will you have a compute horse or two...