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YAFU: News

Einstein@Home

  • Currently-running all-sky gravitational wave search

    Veröffentlicht: August 16, 2018, 2:10pm CEST by Bruce Allen

    In order to run a new gravitational wave search on LIGO open data, we are putting the ongoing all-sky gravitational wave search on hold. In part this is because some questions have surfaced related to the de-jittering used in the preparation of the LIGO O2 data. These must first be understood. We will of course make the fullest possible use of the results obtained so far.

    Bruce Allen, Einstein@Home Director

    M.Alessandra Papa, Lead Scientist for gravitational-wave searches

SRBase: News

  • out of 25-100k sievefiles

    Veröffentlicht: August 15, 2018, 10:47pm CEST
    There are no more 25-100k sievefiles left except R7 and S66. I will start soon 100-300k ranges outside average apps.

PrimeGrid

  • GFN-524288 Mega Prime!

    Veröffentlicht: August 11, 2018, 3:08pm CEST
    On 4 August 2018, 09:10:53 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime: 2312092^524288+1 The prime is 3,336,572 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 2nd for Generalized Fermat primes and 24th overall. The discovery was made by Rob Gahan (Robish) of Ireland using an NVIDIA GeForce GTX 690 in an Intel(R) Core(TM) i7-3930K CPU at 3.20GHz with 12GB RAM, running Windows 10 Professional Edition. This GPU took about 2 hours 36 minutes to probable prime (PRP) test with GeneferOCL5. Rob is a member of the Storm team. The prime was verified on 4 August 2018, 23:28:14 UTC by Naoaki Tokuda (semanterion) of Japan using an NVIDIA Titan V in an Intel(R) Core(TM) i7-4960X CPU @ 3.60GHz with 64GB RAM, running Windows 7 Ultimate Edition. This GPU took about 24 minutes to probable prime (PRP) test with GeneferOCL5. The PRP was confirmed prime by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Microsoft Windows 10 Professional. This computer took about 20 hours 55 minutes to complete the primality test using LLR. For more details, please see the official announcement.
  • Solar Eclipse Challenge

    Veröffentlicht: August 10, 2018, 5:32pm CEST
    August 11th, 2018 a partial solar eclipse will touch many countries in the Northern Hemisphere. We'll be running a Proth Prime Search (LLR) Challenge to celebrate. The 3 day Challenge starts 10th August, 18:00 UTC and ends 13th August 2018, 18:00 UTC. Work units which are downloaded and completed during the challenge will count towards your challenge score. Many primes are expected to be found. For more information, questions and friendly banter, please join us in this thread.

SETI@home: News

  • SETI.Germany Wow! event: 15-29 August

    Veröffentlicht: August 6, 2018, 10:30pm CEST
    Every year SETI.Germany organizes an event in honor of the 41th Anniversary of the Wow! signal. This year's event takes place from 15 to 29 August . Further information can be found here .

YAFU: News

XANSONS for COD: News

  • 448 new structures

    Veröffentlicht: August 4, 2018, 9:26pm CEST
    New COD entries are added.

    Update. All WUs are sent to the hosts.

YAFU: News

PrimeGrid

  • Yet Another SR5 Mega Prime!

    Veröffentlicht: August 1, 2018, 4:12pm CEST
    On 29 July 2018, 11:28:58 UTC, PrimeGrid’s Sierpinski/Riesel Base 5 Problem project eliminated k=66916 by finding the mega prime: 66916*5^2628609-1 The prime is 1,837,324 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 59th overall and is the largest known base 5 prime. 70 k's now remain in the Riesel Base 5 Problem. The discovery was made by Honza Cholt (Honza) of the Czech Republic using an Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz with 32 GB RAM running Microsoft Windows 10 Professional Edition. This computer took about 4 hours 35 minutes to complete the primality test using multithreaded LLR. Honza is a member of the Czech National Team. The prime was verified on 29 July 2018, 15:45:07 UTC by James Krauss (Grebuloner) of the United States using an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16 GB RAM running Microsoft Windows 10 Professional Edition. This computer took about 5 hours 38 minutes to complete the primality test using multithreaded LLR. James is a member of The Knights Who Say Ni! team. For more details, please see the official announcement.

ОДЛК: News

  • Three millions of unique CF ODLS

    Veröffentlicht: August 1, 2018, 2:37pm CEST
    Dear participants of the ODLK and ODLK1 projects!

    You have overcome the boundary of 3,000,000 CF ODLS!

    Thanks for your work!

SRBase: News

  • expected downtime on 01.08.

    Veröffentlicht: Juli 29, 2018, 9:11pm CEST
    Due some changes on the infrastructure of my cable provider there are some disconnections from 0-6am (GMT+1) on 1st of August.

YAFU: News

GPUGRID

  • Windows apps restored

    Veröffentlicht: Juli 27, 2018, 5:59pm CEST
    We restored the windows applications. If you get errors such as "197 (0xc5) EXIT_TIME_LIMIT_EXCEEDED", please try these: - R̶e̶r̶u̶n̶ ̶b̶e̶n̶c̶h̶m̶a̶r̶k̶s̶ - Reset the project - Wait the problem out If nothing works and you want to fix right away, there is a more complex workaround editing client_state.xml The problem is somewhat explained here.

SETI@home: News

  • Revised scale of significance of ET detection published.

    Veröffentlicht: Juli 25, 2018, 5:47pm CEST
    A group of SETI astronomers led by Duncan Forgan, and including myself and BSRC director Andrew Siemion, has published a revised version of the Rio Scale. The Rio Scale is designed to predict the public impact a signal would have, like the Richter scale does for earthquakes. The prior version of the Rio scale, in addition to being rarely used, tended to overestimate the impact of low quality or low significance reports of detection.

    Now all we have to do is convince other SETI astronomers and the press to use it.

    There is a related article at GeekWire.

    A calculator for Rio 2.0 scores in now available here.

YAFU: News

XANSONS for COD: News

  • 449 new structures

    Veröffentlicht: Juli 21, 2018, 8:41pm CEST
    New COD entries are added.

    Update. All WUs are sent to the hosts.

ОДЛК: News

  • The contest for the best optimization of the program

    Veröffentlicht: Juli 20, 2018, 7:35pm CEST
    Dear participants of the project!

    Probably, there are many programmers among you.

    A contest is announced to the best optimization of program of search the orthogonal LS for a given LS of order 10.
    This is a very important program!

    The author of this program is colleague S. Belyaev.
    The program was created and posted for general use on the Math Help Planet forum on February 29, 2016.
    [mathhelpplanet.com]

    You can download the archive from the following link
    [https:]]

    The source code of the program in archive is available.