What is YAFU?

YAFU is a alpha project, which main goal is
  • to test the latest BOINC server code for bugs, please report any error which you find in the webpages in the forum
  • to factorize numbers up to 140 digit length which are needed to bring Aliquot Sequences to a size of at least 140.
  • to test the latest versions of yafu.
You can participate by downloading and running a free program on your computer.
The project runs without any funding and I'm happy about each donation.
The invitation code for creating new accounts is yafu

User of the Day

User profile Profile DoctorNow
Hi! I`m Dirk from the almost world-famous village Beuern near Giessen in Hessen/Deutschland (Germany) ;-) Born in 1973, my hobbies are killing too...


Recent sequence merges
2 of the aliquot sequences we handle have merged with other sequences:

951060 seems to have merged with 398376
372402 seems to have merged with 354620

So 2 more sequences are removed from the to do list of the open sequences below 1 million.
10 May 2017, 17:44:31 UTC · Discuss

BOINC-Treffen in Wieda, Germany, 2.-5. Juni
Vom 2.-5. Juni findet in Wieda im Harz das 8. teamübergreifende BOINC-Treffen statt. Es werden Mitglieder verschiedener Teams und Projekte dabei sein und wir werden gemeinsamme Ausflüge unternehmen, grillen und einfach mal Leute in der Realität treffen, die man sonst nur Online kennt.

Es sind noch einige Plätze frei. Näheres zur Teilnahmen und das Antragsformular finden sich bei uns im Forum.

Ich freu mich Euch dort zu treffen.
25 Apr 2017, 18:37:51 UTC · Discuss

yafu-16t single thread bug fixed
The yafu-16t app had a bug and was mostly running with only 1 thread. This scheduler bug is now fixed and the app uses at least 16 threads. Thanks for the people who reported it.
23 Apr 2017, 11:55:18 UTC · Discuss

Aliquot sequence 708420 has terminated!!!

9160 sequences below 1000000 left. Yafu@home is working on 3482 of them.

Thanks for your support.
7 Jan 2017, 13:09:49 UTC · Discuss

recovered from server crash
Last night the power supply of the YAFU server died. I could attach temorary a different one and restart the server. But the database didn't start and the DB recovery also didn't worked.
So I made a backup of the project and the project DB and started a 2 month old snapshot.
There I restored the backup and DB backup and now the server is running.
I hope without problems.
19 Dec 2016, 15:26:30 UTC · Discuss

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