New experiment in RakeSearch

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hoarfrost
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Message 1505 - Posted: 11 Nov 2021, 13:43:54 UTC - in response to Message 1500.  

What for checkpointing, it is problematic to implement checkpoints in this experiment, because the sub-trees on which we perform exhaustive search are very different in sizes. If we do a checkpoint at higher tiers of the tree, it is very likely that 9 of 10 sub-trees will be processed very fast, and the 10th will take several hours, so no sense in a checkpoint. If we go into the recursion 1-2 tiers deeper, the check for need of a checkpoint will be performed too often and increase the whole runtime of a task several-fold.

How about using a fixed time interval for a checkpoint trigger with the checkpoint data pointing to the start of whatever calculaton that is happing at that moment?

Yes. But time check must be placed in code. If the check placed on one tier higher, it won't make sense, if placed on one tier lower - affect the performance.
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hoarfrost
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Message 1521 - Posted: 18 Nov 2021, 21:05:35 UTC

Hi folks!

Some news: current search will be extended with new set of workunits.
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Drago75

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Message 1522 - Posted: 18 Nov 2021, 22:35:12 UTC

Great!

By the way, what achievement is necessary to be awarded one of the month badges like the Oriolus "Findings at the November 2020 joint search..." And shouldn't it read 2021 instead of 2020?

Saludos...
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Message 1523 - Posted: 18 Nov 2021, 22:43:09 UTC

Hello Drago75!

We will make another badge for November'2021!
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CFJH

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Message 1524 - Posted: 21 Nov 2021, 16:58:03 UTC
Last modified: 21 Nov 2021, 16:58:56 UTC

Hi,

How can I detect a finding?
I've run some WU of the new search. Scanning the result files show two different variants:

files with a zero in the second line
0123456789AB123498B5A0......
0

and files with a non zero number in the second line
0123456789AB123498B5A0675.....
26700


Is this a notice of a finding, if not, how then looks a result file with a finding?

Jürgen
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Profile Natalia
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Message 1525 - Posted: 24 Nov 2021, 11:38:20 UTC - in response to Message 1524.  

Hi! Yes, a non-zero number indicates there have been found ODLSs in this task.
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hoarfrost
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Message 1527 - Posted: 1 Dec 2021, 20:40:01 UTC
Last modified: 4 Dec 2021, 19:43:31 UTC

Dear participants, we are summing up the results of November.

The badge of November'2021 is Middle spotted woodpecker - a middle sized bird lives in forests of France, central and eastern Europe. (Image source can be found on Birds of the Kursk region page).



Our warm congratulations to participants whose computers return results with a non-zero number of ODLS pairs:

Bok (SETI.USA) and [AF>France>Sale-caractere] Xenon (L'Alliance Francophone),
dthonon (Storm) and [AF>Libristes] Davlabedave (L'Alliance Francophone),
Skyman (Ukraine) and [AF>Amis des Lapins] Phil1966 (L'Alliance Francophone),
STE\/E (BlackOps) and [AF>Amis de la mer] Qingdan (L'Alliance Francophone),
Sphynx (SETI.USA) and [AF>Amis des Lapins] Ceclo (L'Alliance Francophone),
ale4316 (Ukraine) and [AF>Libristes] ElGuillermo (L'Alliance Francophone),
raddoc (Gridcoin) and [AF>Occitania] Kalianthys (L'Alliance Francophone),
ID4 (SETI.Germany) and [AF>Kirass>MPF] Nafrayou (L'Alliance Francophone),
Herbert (Gridcoin) and [AF>Occitania] ancelinj (L'Alliance Francophone),
vaughan (AMD Users) and [AF>Libristes]MortelKni (L'Alliance Francophone),
Jeff17 (BOINCstats) and [AF>Libristes] Elorak (L'Alliance Francophone),
marsinph (BOINC.BE) and [AF>Belgique]Mamouth (L'Alliance Francophone),
UrsD (SETI.Germany) and qmkellner (University of Colorado, Boulder),
LievenHS (BOINC.BE) and Megacruncher TSBT (The Scottish Boinc Team),
keiii420 (Gridcoin) and [AF>Libristes] Kao (L'Alliance Francophone),
den777 (Russia Team) and Maurice Goulois (L'Alliance Francophone),
Odd-Rod (BOINCstats) and [AF] mAxYmUs83 (L'Alliance Francophone),
SerVal (Russia Team) and scole of TSBT (The Scottish Boinc Team),
axels (SETI.Germany) and Pavel_Kirpichenko (Astronomy.Ru Forum),
Chiara (BOINC.Italy) and Guilherme Moreno Guimaraes (Gridcoin),
Spot T (BOINC.Italy) and Schildkroete (Meisterkuehler.de Team),
matali (BOINC@Poland) and Jindrich Vidlar (Czech National Team),
wareyore ([H]ardOCP) and PecosRiverM (The Scottish Boinc Team),
Dirk Broer (AMD Users) and SolidAir79 (The Scottish Boinc Team),
blitzzkreeg (Gridcoin) and Technik007[CZ] (Czech National Team),
Vato (Team-Goobee.org) and Michael H.W. Weber (Rechenkraft.net),
CFJH (Rechenkraft.net) and Scott Cox (The Knights Who Say Ni!),
bonsai (Planet 3DNow!) and Hal Bregg (The Scottish Boinc Team),
CThiede (SETI.Germany) and Egon olsen (Meisterkuehler.de Team),
Dr Who Fan (BOINCstats) and Michael Goetz (Antarctic Crunchers),
amazing (SETIKAH@KOREA) and davidBAM (The Scottish Boinc Team),
mmonnin (Overclock.net) and LeChat51X (L'Alliance Francophone),
Dingo (BOINC@AUSTRALIA) and Steve Dodd (The Planetary Society),
Hoshione (SETI.Germany) and Agostino (The Knights Who Say Ni!),
RFGuy_KCCO ([H]ardOCP) and Arkhenia (L'Alliance Francophone),
Shmya-2 (Crystal Dream) and Rhodan71 (L'Alliance Francophone),
vfrey (Rechenkraft.net) and Plejaden (Boinc Team Gruppe 2004),
genseed (Crystal Dream) and Buro87 [Lombardia] (BOINC.Italy),
Woodles (UK BOINC Team) and Sammey19 (Vancouver, Washington),
Heijo (Rechenkraft.net) and Bad2daBone (The Final Front Ear),
szymmirr (BOINC@Poland) and Roberto (L'Alliance Francophone),
andersabra (BOINCstats) and modesti (L'Alliance Francophone),
vanos0512 (BOINC@Taiwan) and Matthias Lehmkuhl (SETI.Germany),
zombie67 [MM] (SETI.USA) and Henk Haneveld (Dutch Power Cows),
gingavasalata (Hrvatska) and UBT - Mikeejones (UK BOINC Team),
k4m1k4z3 (Overclock.net) and Sergey Kovalchuk (BOINC@Ukraine),
Daniel (BOINC@AUSTRALIA) and mickita [Toscana] (BOINC.Italy),
[SG]Felix (SETI.Germany) and Raimund Barbeln (BOINC Synergy),
JugNut (BOINC@AUSTRALIA) and [SG-FC] dingdong (SETI.Germany),
CoolAtchOk (Russia Team) and Bill F (Worldwide TechServices),
Rymorea (Turk Seti Team) and Uwe-Bergstedt (Rechenkraft.net),
Zonar (Dutch Power Cows) and joe carnivore (Rechenkraft.net),
mike765321 (Russia Team) and fzs600 (L'Alliance Francophone),
HenkM (Dutch Power Cows) and Roxasthehunter (Overclock.net),
rimmer66 (UK BOINC Team) and Patrick Schmeer (SETI.Germany),
mg13 [HWU] (BOINC.Italy) and Mihail Kapareliotis (MVKWorld),
Stony666 (Planet 3DNow!) and [DPC] hansR (Dutch Power Cows),
aendgraend (SETI.Germany) and Jacopo Grossule (BOINC.Italy),
LCB001 (Hardware Canucks) and Penguin (Antarctic Crunchers),
Senilix (Rechenkraft.net) and ANCHULA-MARK (UK BOINC Team),
bfromcolo (Overclock.net) and Armin Gips (Rechenkraft.net),
Landjunge (Planet 3DNow!) and Return our land (Team China),
Bunteck (BOINC@AUSTRALIA) and rakefinder (Rechenkraft.net),
Dacicus Geometricus (USA) and tcd (Meisterkuehler.de Team),
smetchewit (SETI.Germany) and Bigos2 (Czech National Team),
yoyo_rkn (Rechenkraft.net) and [SG-2W]Kurzer (SETI.Germany),
bcavnaugh (Crunching@EVGA) and Skivelitis2 (TeAm AnandTech),
[BAT] Jack Raby (BOINC.BE) and PDW (OcUK - Overclockers UK),
GALAX-ZERO (Planet 3DNow!) and DoctorNow (BOINC@Heidelberg),
ChUcK (SimTechs With Time) and [BAT] Svennemans (BOINC.BE),
Hans Wurst (BOINC@Austria) and [SG]Jeeper74 (SETI.Germany),
velociraptor01 (AMD Users) and mikey (The Final Front Ear),
UBT - Timbo (UK BOINC Team) and Alez (The Scottish Boinc Team),
[AF>Le_Pommier] Jerome_C2005 (L'Alliance Francophone),
Natalia (Karelia) and hoarfrost (Crystal Dream).

Thank you for participation and donation of CPU time!
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Profile Michael H.W. Weber
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Message 1528 - Posted: 2 Dec 2021, 1:43:58 UTC

That's nice.
Are the individual ODLS findings going to be added to the user accounts as before?

Michael.
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Fördern, kooperieren und konstruieren statt fordern, konkurrieren und konsumieren.
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Message 1529 - Posted: 3 Dec 2021, 17:56:09 UTC - in response to Message 1528.  

Hello Michael!

Are the individual ODLS findings going to be added to the user accounts as before?

It's impossible. The number of found orthogonal squares for some workuinits is counts of tens thousands.
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Message 1530 - Posted: 3 Dec 2021, 20:30:31 UTC
Last modified: 4 Dec 2021, 6:59:39 UTC

Hello folks! Due to exhausting of first tasks set we prepare the next set and correct counters used for display of research progress.

Thank you for participation!
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Profile Michael H.W. Weber
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Message 1531 - Posted: 4 Dec 2021, 14:25:58 UTC - in response to Message 1529.  

Hello Michael!

Are the individual ODLS findings going to be added to the user accounts as before?

It's impossible. The number of found orthogonal squares for some workuinits is counts of tens thousands.

...ok, so juast as in Amicable Numbers project.

Michael.
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Message 1532 - Posted: 7 Dec 2021, 17:57:26 UTC

Excited about getting a new RakeSearch badge after such a long time!
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Message 1535 - Posted: 9 Dec 2021, 6:26:10 UTC

Welcome back, Steve! :)
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Message 1537 - Posted: 10 Dec 2021, 10:04:46 UTC
Last modified: 10 Dec 2021, 10:05:05 UTC

Hello!
May I know what the project is looking for: transversals, D-transversals or ODLS of order 12?

The first challenge is to beat the current record on the number of transversals for DLSs of order 12. We already have tasks for the next 2 months, and there will be more.

0123456789AB123498B5A0675.....
26700

What does the number 26700 mean?
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Message 1538 - Posted: 11 Dec 2021, 17:50:52 UTC - in response to Message 1537.  

Good day!

May I know what the project is looking for: transversals, D-transversals or ODLS of order 12?

We hope that details will be published in future publications and we will be able to simply refer to them.

What does the number 26700 mean?

It's a raw number - item for post-processing of project results.
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Message 1539 - Posted: 11 Dec 2021, 19:49:23 UTC
Last modified: 11 Dec 2021, 19:51:00 UTC

Hello!
There was another answer to this example
0123456789AB123498B5A0675.....
26700

Hi! Yes, a non-zero number indicates there have been found ODLSs in this task.

From this answer, I understand that the number 26700 here means the number of ODLSs.
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Message 1540 - Posted: 12 Dec 2021, 17:57:03 UTC

Dear participants, we append info tasks queue bunch of tasks with short deadline, equals 1 day. We expect these tasks to be fully sent out in 12 hours. Subsequent tasks will have the usual 7-day deadline. Thank you for participation and donation of CPU time!
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Message 1541 - Posted: 13 Dec 2021, 21:06:21 UTC

In the next few hours, the project will switch to a new bunch of tasks. We adjusted the progress counter.
Thank you for participation!
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Message 1545 - Posted: 21 Dec 2021, 20:37:23 UTC

I think it would be good to put links to the results published as separate news here:
Square # 4 (1st square at this moment by number of ODLS)
Square # 5 (3rd square at this moment).

Thank you!
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Message 1546 - Posted: 22 Dec 2021, 17:33:18 UTC

Hello folks! We switched to next set of workunits - for square # 7.
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