Forum: Aliquot Sequences
2021-02-28, 16:32
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Replies: 24
Views: 710
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Forum: Aliquot Sequences
2021-02-27, 16:14
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Replies: 24
Views: 710
Jagotu-
What would help is a summary (most of...
Jagotu-
What would help is a summary (most of this info is listed at the end of the log):
Time spent on poly select (you can sum size and root, or report them separately)
Time spent on sieving...
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Forum: NFS@Home
2021-02-26, 16:28
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Replies: 102
Views: 8,679
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Forum: sweety439
2021-02-25, 03:30
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Replies: 1,215
Views: 60,200
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Forum: Information & Answers
2021-02-25, 03:24
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Replies: 20
Views: 433
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Forum: Information & Answers
2021-02-25, 01:15
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Replies: 20
Views: 433
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Forum: Aliquot Sequences
2021-02-24, 19:28
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Replies: 24
Views: 710
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Forum: Soap Box
2021-02-24, 06:20
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Replies: 17
Views: 342
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Forum: Aliquot Sequences
2021-02-22, 22:23
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Replies: 24
Views: 710
I attach my c150 params here.
I've tested...
I attach my c150 params here.
I've tested similar settings just once so far, and they required 46 hours to factor a C150 (first digit 8) on a 12-core haswell-xeon-2.5Ghz. Poly select was almost...
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Forum: Aliquot Sequences
2021-02-22, 19:58
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Replies: 24
Views: 710
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Forum: Aliquot Sequences
2021-02-22, 17:17
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Replies: 24
Views: 710
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Forum: NFS@Home
2021-02-22, 17:10
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Replies: 102
Views: 8,679
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Forum: Aliquot Sequences
2021-02-22, 15:32
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Replies: 24
Views: 710
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Forum: Aliquot Sequences
2021-02-21, 16:29
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Replies: 893
Views: 66,566
When you're ready to do some work on that...
When you're ready to do some work on that sequence, make a thread for it in the same place as the 3366 and 4788 threads. Sean and I will surely help with ECM and other work- as you observe, most of...
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Forum: Cloud Computing
2021-02-21, 04:42
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Replies: 42
Views: 1,422
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Forum: Cunningham Tables
2021-02-19, 02:56
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Replies: 236
Views: 46,768
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Forum: Cunningham Tables
2021-02-19, 02:19
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Replies: 236
Views: 46,768
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Forum: sweety439
2021-02-18, 15:31
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Replies: 146
Views: 8,451
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Forum: Riesel Prime Search
2021-02-13, 19:16
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Replies: 1,021
Views: 123,448
I heard back from sjtjung. He says he has...
I heard back from sjtjung. He says he has retired from prime searching, and apologises for losing his MF login info. His email linked to the forum is also dead.
Good luck with k=221.
I'll...
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Forum: Proth Prime Search
2021-02-13, 17:00
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Replies: 8
Views: 417
You don't pick up very much sieve speed by...
You don't pick up very much sieve speed by removing candidates- break off a chunk that tests in a reasonable time, something convenient for your manual labor. That is, you might sieve 100k to 4M, and...
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Forum: Riesel Prime Search
2021-02-13, 05:49
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Replies: 1,021
Views: 123,448
Gary-
She.
I haven't talked to sjtjung in...
Gary-
She.
I haven't talked to sjtjung in a year or so; this is a good excuse for me to reach out to him. He was a student of mine fifteen years ago. I doubt he's still searching 221, but he's...
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Forum: Riesel Prime Search
2021-02-13, 01:29
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Replies: 1,021
Views: 123,448
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Forum: Miscellaneous Math
2021-02-13, 01:25
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Replies: 72
Views: 2,198
Dunno what CPU you tested on, but I think your...
Dunno what CPU you tested on, but I think your P95 estimate is off by a couple of zeros. You can't run multi-threaded profitably at that size- the single-threaded test on that exponent is likely less...
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Forum: Proth Prime Search
2021-02-12, 07:30
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Replies: 8
Views: 417
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Forum: Riesel Prime Search
2021-02-11, 14:43
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Replies: 1,021
Views: 123,448
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