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Právě je pátek, 26.února 2021, 16:32 hod.
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WEP-M+2 2021-02-19 12:53:14
12-digit factor of P2203 has now been found by the project... Nové okno
...282617 times - still no sign of any larger factors

 
GPUGRID/PS3GRID 2021-02-15 10:09:13
New D3RBanditTest workunits Nové okno
Dears, as you may have noticed, we sent a new batch of WUs for a new experiment. This time the WUs are rather large and require relatively new cards. For reference, should be ~18h on a 1080 Ti. Thanks! T

 
SRBase 2021-02-04 19:42:01
https config ongoing (done) Nové okno
There was a short timeout of the server because Iam still testing the config but it will take some time. Have some help here. Got certbot and letsencrypt running with a successful message but the apache config is still messy. I hope I can find a way to setup this after years.

 
MilkyWay 2021-02-03 17:56:58
New Separation Runs 2/3/2021 Nové okno
Hey Everyone,

The following Separation runs had to come down due to the server outage:

de_modfit_80_bundle4_4s_south4s_bgset_4
de_modfit_81_bundle4_4s_south4s_bgset_4
de_modfit_82_bundle4_4s_south4s_bgset_4
de_modfit_83_bundle4_4s_south4s_bgset_4
de_modfit_86_bundle4_4s_south4s_bgset_4

I have put up the following new runs on the server:

de_modfit_80_bundle4_4s_south4s_bgset_7
de_modfit_81_bundle4_4s_south4s_bgset_7
de_modfit_82_bundle4_4s_south4s_bgset_7
de_modfit_83_bundle4_4s_south4s_bgset_7
de_modfit_84_bundle4_4s_south4s_bgset_7
de_modfit_85_bundle4_4s_south4s_bgset_7
de_modfit_86_bundle4_4s_south4s_bgset_7

The skip from 4 to 7 involves me putting test runs on the server while we were debugging some of the recent problems. Please let me know when stripes 84 and 85 begin throwing validation errors and I can take those down when the errors/runs ratio reaches ~10%.

Best,
Tom

 
MilkyWay 2021-02-03 17:49:59
The Last Couple Days Nové okno
Hi Everyone,

As I'm sure you're all aware by now, the server went through a bit of maintenance the last couple days and now seems to be working normally. We had to clear out a lot of backlog workunits due to technical problems on our side. The bad news is that if you crunched workunits in the last two or three days, those workunits may have been deleted before they were validated, meaning that you might not be getting credit for them. The good news is that the server is working again and that we have taken precautions so that this won't happen again in the future.

Apologies for any inconvenience this may have caused. This caught us by surprise just as it caught all of you by surprise, and know that we will always try our best to communicate with you all when these sorts of things happen.

Best,
Tom

 
MilkyWay 2021-02-02 17:28:20
MilkyWay Maintainance Continuing 2/2/2021 Nové okno
Hi Everyone,

The MilkyWay@home server will continue to experience maintenance outages today as we work on resolving the problem with the transitioner. Again, thanks for all your patience. You can check the status of the server at any time at https://milkyway.cs.rpi.edu/milkyway/server_status.php.

Best,
Tom

 
MilkyWay 2021-02-01 18:54:13
Milky Way Maintainance 2/1/2021 Nové okno
Hey Everyone,

The MilkyWay server will be going down from 4PM today until midnight. After this outage, we should have the server up and running as normal, and the workunit generation issue will hopefully be solved.

Best,
Tom

 
PrimeGrid 2021-02-01 16:37:44
Another DIV Mega Prime! Nové okno
On 27 January 2021, 17:13:11 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 25*2^8456828+1 The prime is 2,545,761 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 74th overall. The discovery was made by Wolfgang Schwieger (DeleteNull) of Germany using an AMD Ryzen 7 3700X 8-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 20 minutes to complete the primality test using LLR2. Wolfgang Schwieger is a member of the SETI.Germany team. For more details, please see the official announcement.

 
PrimeGrid 2021-02-01 16:13:44
And Another DIV Mega Prime! Nové okno
On 23 January 2021, 03:37:22 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 39*2^8413422+1 The prime is 2,532,694 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 74th overall. The discovery was made by Philipp Bliedung (pabliedung) using an Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz with 1GB RAM, running Linux Ubuntu Ubuntu 18.04.3 LTS [4.15.0-72-generic|libc 2.27 (Ubuntu GLIBC 2.27-3ubuntu1.2)]. This computer took about 2 hours, 5 minutes to complete the primality test using LLR2. Philipp Bliedung is a member of the USA team. For more details, please see the official announcement.

 
PrimeGrid 2021-02-01 14:49:02
321 Mega Prime! Nové okno
On 20 January 2021, 11:58:27 UTC, PrimeGrid's 321 Search found the Mega Prime: 3*2^16819291-1 The prime is 5,063,112 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 21st overall. The discovery was made by Rudi Tapper (ruditapper) of the United Kingdom using an AMD Ryzen Threadripper 3990X 64-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 5 hours, 40 minutes to complete the primality test using LLR2. Rudi Tapper is a member of the Antarctic Crunchers team. For more details, please see the official announcement.

 
PrimeGrid 2021-02-01 04:24:19
Another DIV Mega Prime! Nové okno
On 19 January 2021, 15:48:46 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 31*2^8348000+1 The prime is 2,513,000 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 73rd overall. The discovery was made by Igor Karpenko (A1ex01) of Ukraine using an Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz with 4GB RAM, running Linux. This computer took about 2 hours, 52 minutes to complete the primality test using LLR. Igor Karpenko is a member of the Ukraine team. For more details, please see the official announcement.

 
PrimeGrid 2021-02-01 04:17:46
Fermat Divisor Found! Nové okno
On 14 January 2021, 18:15:44 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 27*2^7963247+1 Divides F(7963245) The prime is 2,397,178 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 74th overall. This is ranked 2nd for prime Fermat divisors, and it is also ranked 2nd for “weighted” prime Fermat divisors. The discovery was made by Tom Greer (tng) of the United States using an Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz with 1GB RAM, running Linux Ubuntu. This computer took about 3 hours, 58 minutes to complete the primality test using LLR2. Tom Greer is a member of the Antarctic Crunchers team. For more details, please see the official announcement.

 
MilkyWay 2021-02-01 00:59:36
MilkyWay Workunit Generation Outage Nové okno
Hello Everyone,

MilkyWay@home is experiencing a temporary outage of the stream_fit_generator and the nbody_work_generator. You can see the status of the server here: https://milkyway.cs.rpi.edu/milkyway/server_status.php. This outage means that you will not receive new workunits from the server. You may receive jobs for validation, but those tasks will begin to slow down as workunits finish validating.

I have spent some time tracking down the problem, and I think that I know how to fix things. However, I need to make sure that my proposed fix won't accidentally break anything else, which will take some time, especially since it is the weekend. I would expect the workunit generation to remain down at least until tomorrow afternoon. I will post an update as soon as we know more.

Apologies for any inconvenience that this issue caused. Thank you to the people who let me know that there was a problem. As always, we appreciate all the time and effort our volunteers have spent on this project.

Best,
Tom

 
NumberFields 2021-01-26 23:45:59
Finally recovering from hard drive crash. Nové okno
The crash was so bad that the database could not be repaired. The first non-corrupted backup was 2 days old. Restoring from there seems to have worked but there are probably issues since it will be out of sync from results that get returned.

I pushed the deadline back another 4 days for any outstanding WUs to give people time to return them, but anything issued 2 days prior to the crash will not be in the database so I am not sure how that will play out.

Sorry for the inconvenience!

 
CSG 2021-01-23 07:33:49
[all] status update Nové okno
to bad

 
SETI 2021-01-21 06:59:34
Nebula progress Nové okno
Read about recent progress in our back-end data analysis: Taking the long view

 
ATLAS 2021-01-19 14:54:45
Downtime Wed 20/1 Nové okno
LHC@home servers will be down for a database upgrade tomorrow Wednesday 20th of January early afternoon GMT.

Sorry for the inconvenience, and happy crunching!

 
LHC 2021-01-19 14:54:45
Downtime Wed 20/1 Nové okno
LHC@home servers will be down for a database upgrade tomorrow Wednesday 20th of January early afternoon GMT.

Sorry for the inconvenience, and happy crunching!

 
WEP-M+2 2021-01-19 12:53:15
12-digit factor of P2203 has now been found by the project... Nové okno
...277853 times

 
SETI 2021-01-13 22:07:18
SETI@home talk today Nové okno
David Anderson will give a talk on SETI@home for the Zoom meeting of the Steel City ARC, today at 7:30 PM Eastern time. UPDATE: a recording of the talk is here.


 Další

Thanks to David Vignoni for graphics and inspiration.


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