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-   -   [Mission Accomplished] Let's finish primality verification through Mp#48*, M(57 885 161) (https://www.mersenneforum.org/showthread.php?t=26591)

kriesel 2021-09-24 17:58

15 left
 
1 Attachment(s)
and M57747401 likely to complete within a day.
[QUOTE=firejuggler;588579]before the new year, and i'll be happy.[/QUOTE]Get ready to celebrate.

greenskull 2021-09-24 18:16

1 Attachment(s)
This is what we have at the moment:

[ATTACH]25749[/ATTACH]

kriesel 2021-09-24 22:54

14
 
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[M]57747401[/M] done, lowest remaining unchanged. A fine example of how lowest remaining does not always reflect progress well, sometimes not at all. Smallest remaining delta just jumped from 32 to 340.

kriesel 2021-09-25 12:38

13
 
3 Attachment(s)
12 DC to finish, and a cert. Certs typically complete within a day. One DC is a bit overdue for expiration and reassignment. The other 11 DC are all recently reassigned to Cat0-qualified fast reliable systems, reporting in recently.
Estimated completions for those range from today 2021-09-25 to 2021-10-01. Average indicated ETA is ~3 days (2021-09-28) The laggard for expiration and reissue likely expires and reissues today and completes by ~2021-10-03.

kriesel 2021-09-25 14:02

12
 
1 Attachment(s)
12 (11 DC 1 cert) remain; 57760333 completed; smallest remaining delta 582, average 12905.

kriesel 2021-09-26 11:11

11
 
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10 DC and 1 lingering CERT remain; [M]57760673[/M] completed.

masser 2021-09-26 14:13

8
 
Only 8 left now. How often are triple-checks required?

kriesel 2021-09-26 14:40

8
 
2 Attachment(s)
That changed quickly. Lingering cert cleared, and 2 LL DC. MP#48* loses the * projected ~2021-10-01 by alternate method.
Extrapolating a linear fit through the various projections from M56 history gives a solution for convergence (date of projection, matching date projected) as 2021-09-30 02:45 UTC.

[QUOTE=masser;588740]How often are triple-checks required?[/QUOTE]I don't recall there being any seen in previous final going to milestones. Cat0 qualified systems are pre-screened to be fast and reliable for the previous 120 days. The strategic double and triple check thread sweeps the TC needs out of the way earlier. Overall, TC rate is ~2-4% per exponent, 1-2% per LL test. (Much higher if there's an error code recorded.) It varies depending on exponent size, system speed, whether the system has ECC ram, and whether it runs software with Jacobi check included. All 8 now remaining have nonzero shift count first LL tests with no error codes indicated. Chance of a TC being needed somewhere in the last 8 is slim but nonzero, ~12% chance or less of one TC, <2% of 2 or more. If whoever got a hypothetical TC had a Radeon VII they could move it and complete it in 7 hours.

kriesel 2021-09-26 20:56

7
 
[M]57797893[/M] completed.

kriesel 2021-09-27 13:16

6
 
2 Attachment(s)
Probably two more clear in the next day; all by ~2021-10-02. Average delta 25811.

kriesel 2021-09-28 03:32

5
 
2 Attachment(s)
Two more will complete soon. All are progressing.


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