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Forum: And now for something completely different 2022-03-05, 18:42
Replies: 15
Views: 699
Posted By Cybertronic
Primo Multicore

I found my instructions from 2009 here: (german)

https://216.92.123.112/showthread.php?t=10761&page=12


at #127 ff


Maybe it is helpfully for Primo 4
Forum: And now for something completely different 2022-03-05, 17:16
Replies: 15
Views: 699
Posted By Cybertronic
Surprise me ! My 8-Core needed 7 days...

Surprise me !


My 8-Core needed 7 days for one number of the smallest 10k twin prime


10^9999+2421018649+d,d=0,2 (factordb.com)
Forum: And now for something completely different 2022-03-05, 17:04
Replies: 15
Views: 699
Posted By Cybertronic
Ah okay, so 16 cores need 10-12 days...my guess. ...

Ah okay, so 16 cores need 10-12 days...my guess.


Stage 2 on several machines ? ... yes its possible but for a 13k number it is only a tiny plus.
Forum: And now for something completely different 2022-03-05, 16:44
Replies: 15
Views: 699
Posted By Cybertronic
So you have also a 32-Core system ? :smile: ...

So you have also a 32-Core system ?
:smile:
best
Forum: And now for something completely different 2022-03-05, 16:28
Replies: 15
Views: 699
Posted By Cybertronic
Yes, 3.75 is a fix parameter and a consequence of...

Yes, 3.75 is a fix parameter and a consequence of many runningtimes we can study.

E.g. double the number of digits, you have 2^3.75 ~ 13 times to wait, or the downrun of bits of a number to 50%...
Forum: And now for something completely different 2022-03-05, 10:11
Replies: 15
Views: 699
Posted By Cybertronic
Phase 1: (43708/44477)^3,75 = 0,93 -> 7%...

Phase 1:

(43708/44477)^3,75 = 0,93 -> 7% done
Total Phase 1: 14 days
Phase 2: most 25% of Phase 1 -> 3 days


Should be done in 3 weeks over all....is not slower under VM
Forum: And now for something completely different 2022-03-05, 10:02
Replies: 15
Views: 699
Posted By Cybertronic
Based on this number I get with my Ryzen 7 1700: ...

Based on this number I get with my Ryzen 7 1700:


(1,16^3,75)*7,22d = 12,6d.


In the certificate we read: 719077s = 8,3d. Sounds like a 12 Core Ryzen !


Addition: 6993977s (single) /...
Forum: And now for something completely different 2022-03-05, 09:40
Replies: 15
Views: 699
Posted By Cybertronic
Congratulation ! 100 days ist not true. ...

Congratulation !


100 days ist not true.
I estimate (1,33^3,75)*6,22d * (3GHz*8Core)/(3,6GHz*6Core) =3 weeks ,100% CPU nonstop
6,22 days based on Ryzen 7 1700 8 Core 3 GHz for a 10k number...
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