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> OGR-24 ой., Всім вітання.
Death
Nov 2 2004, 10:36
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Скінчився таки.

http://n0cgi.distributed.net/cgi/planarc.c...004-11-01.10:24

:: 01-Nov-2004 10:24 CST (Monday) ::
distributed.net is proud to announce the completion of OGR-24!

Four years ago, distributed.net users undertook the search for the optimal 24 mark Golomb Ruler. This year sees the successful conclusion of that effort. We have proven conclusively by the exhaustive search of all possible rulers that the currently best known ruler is indeed the Optimal one.

More precisely it is:
24/9-24-4-1-59-25-7-11-2-10-39-14-3-44-26-8-40-6-21-15-16-19-22

This shortest ruler was found by two independent computers. The initial report was received on May 24th, 2004 and a second, matching result was returned on July 3rd, 2004. However it was not until the final stub was returned and verified that could we rule out the possibility of a still-shorter ruler. This final stub was returned October 13th, 2004 drawing to a close the complete search of all possible stubs. Due to the nature of an exhaustive search, distributed.net users have also proven that the above solution is unique (the ruler's mirror notwithstanding).

This project was first announced in 1998, started in February 2000, and is now concluded in 2004. Although 4 years may seem like a long time, the search was no trivial task. No fewer than 555,529,785,505,835,800 rulers were checked during that time. Moreover, a second pass of all rulers was done to rule out (heh) any errors. Additionally a small oversight in the beginning of the project caused several rulers to be excluded from the initial search. These were the subject of the much discussed Phase 2 (rulers with initial marks > 70). Incidentally the optimal ruler was amongst these. ("9+24+4+1+59 > 70") The double phase, phase 2 and their verification each required additional structural changes which also contributed to the overall 4 year duration.

Note that distributed.net users continue to pursue the solution to the OGR-25 project which began in parallel with OGR-24. We have currently completed 10-15% of OGR-25 phase 2 which is about 65% overall.

To celebrate the successful end of yet another distributed.net project all our contributors are invited for a drink...when we find a place large enough to host the 41,805 people that participated in this particular distributed effort.

The shortest ruler was first found by Matt Richards (Matt_R in #distributed). It was then confirmed by Mitsuru Aoki of the SEGA Users Group Team (#1958). The final stub was returned by Sebastian "Pax" Schmitz. We'll be sending them some free distributed.net swag and shirts for their noteworthy contributions to the project.

Related Links:
- http://distributed.net/ogr
- http://n0cgi.distributed.net/statistics/og...l-nodes-day.png
- http://n0cgi.distributed.net/statistics/og...4p2-percent.png

Thank you all and keep those computers busy!

А я добавил ещё G5 1.8 GHz Dual.


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wbr, Me. Dead J. Dona OGR-27
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Paul B.Atton
Nov 2 2004, 16:57
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Амінь!


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... Pulse... Pulse... Oh-h-h! Some newbies coming! ... Pulse! Pulse! Pulse! . . .
Now I'm pretty successful in OGR-NG. Sometimes better than Tamagoch! But... Where is Tamagoch??? . . .
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Tamagoch
Nov 2 2004, 18:35
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Death
Nov 4 2004, 12:46
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В целом неплохо....

Rank Team First Unit Last Unit Days Current Members Gnodes Overall Gnodes Yesterday
1 Dutch Power Cows 13-Jul-2000 31-Oct-2004 1,572 828 37,999,477 288
2 Slashdot.org 1365 13-Jul-2000 10-Oct-2004 1,551 519 10,014,896 0
3 AnandTech 10635 13-Jul-2000 25-Oct-2004 1,566 592 8,877,482 0
4 Distributed Amiga 13-Jul-2000 24-Oct-2004 1,565 651 7,911,991 0
5 BugTraq.Ru Team. United power of xUSSR. 14-Jul-2000 31-Oct-2004 1,571 648 7,422,713 359
6 Team Ninja - The Counts of Crunch 14-Jul-2000 31-Oct-2004 1,571 31 5,283,565 506
7 Team Depaul 14-Jul-2000 07-Jul-2004 1,455 11 4,882,737 0
8 SPring-8 14-Jul-2000 31-Oct-2004 1,571 1 4,667,836 75
9 SEGA Users Group 14-Jul-2000 14-Oct-2004 1,554 59 4,402,165 0
10 Ars Technica Team Beef Roast 13-Jul-2000 13-Sep-2004 1,524 189 4,334,588 0
11 Team Warped (OS/2) 13-Jul-2000 01-Oct-2004 1,542 223 4,187,118 0
12 Team EvangeLista (Macs Rule! :-) 13-Jul-2000 30-Sep-2004 1,541 304 4,092,337 0
13 Russian Team 13-Jul-2000 29-Oct-2004 1,570 709 3,587,605 0
14 Free-DC 30-Dec-2002 21-Oct-2004 662 27 3,486,857 0
15 Ukraine RC5 13-Jul-2000 29-Oct-2004 1,570 93 3,261,813 0


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wbr, Me. Dead J. Dona OGR-27
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nikelong
May 27 2008, 22:16
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Повторим в ОГР-25 ? spiteful.gif


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Death
May 28 2008, 11:08
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в огр-24 был epic fail

у нас было блоков 24 ещё огромная куча, когда остальным их уже не раздавали. и у меня маздай глюкнул и файл с блоками накрылся. а так могли бы и в 12 попасть.


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