News

CRUS goals for 2023 released
https://www.mersenneforum.org/showthread.php?t=28328 23 Dec 2022, 9:17:30 UTC · コメント

Intel ARC testers needed
To collect some datas for the devs we need some testers with Intel ARC GPUs.

What todo?

Run mfakto --perftest on windows, linux is a bit different somewhere standalone on your PC and post the output here. 22 Dec 2022, 16:27:29 UTC · コメント

Trial Factoring 74-75bit range started
The range 73-74bit is nearly done, there will be a cleanup of the rest of open reserved tests. The runtime started from 1h23min at 128-131M (@RX5500 XT) and decreasing for higher ranges. 21 Dec 2022, 8:43:05 UTC · コメント

unexpected server crash
A bluescreen crashed the server. The good thing, the database survived, In logfile found system_service_exception ntoskrnl.exe 0x0000003b and ran a chkdsk and sfc /scannow, something was repaired with chkdsk.

The bad thing, I dont know exactly whats causing this problem, driver or SSD.

More infos
ntoskrnl.exe+3f70d0
0x00000000c0000005, 0xfffff8033bc88f39, 0xffff988cd64d5850, 0x0000000000000000 7 Dec 2022, 18:57:07 UTC · コメント

llr2 gwnum 30.x bug
input
175000000000:P:1:51:257
607920 35218

llr2 gwnum 30.9
11920*51^35219+1 is not prime. RES64: 5326FBF23EE99827 Time : 12.728 sec.

llr3.8.21
607920*51^35218+1 is not prime. RES64: 5326FBF23EE99827. OLD64: 8C5E80CE11E6EA41 Time : 26.106 sec.

llr2 gwnum 30.4
11920*51^35219+1 is not prime. RES64: 5326FBF23EE99827 Time : 38.737 sec.

llr2 gwnum 29.8
607920*51^35218+1 is not prime. RES64: 5326FBF23EE99827 Time : 51.552 sec.

The app divides the number 607920 / 51 = 11920. The gwnum lib has a bug somewhere and the dev is informed.

At the moment only S51 is affected.

Base S51 will be stopped for the time being after 35-37k is done, the tests are correct with the divided numbers but primes cant be removed from the sievefile.

All affected tests must be convert to the correct values. This takes time. 6 Dec 2022, 20:56:55 UTC · コメント

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