Forum: Lounge
2022-06-26, 19:35
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Replies: 1,211
Views: 141,542
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Forum: Hardware
2022-06-24, 23:03
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Replies: 248
Views: 50,996
After crunching hard for 18 months, my...
After crunching hard for 18 months, my bargain-refurb KNL workstation went "boink" at beginning of May. Suspect the MoBo - possibly the CPU - but after a fair bit of fruitless attempted fault-tracing...
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Forum: Flea Market
2022-06-24, 22:57
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Replies: 0
Views: 173
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Forum: Soap Box
2022-06-20, 22:26
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Replies: 5
Views: 675
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Forum: Mlucas
2022-06-16, 21:58
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Replies: 25
Views: 2,335
Interesting, thanks. Do you now have 2...
Interesting, thanks. Do you now have 2 production-run instances running on the respective 4-core subsets, and if so, what are the respective exponents/runtimes? On Galaxy S7 with its hybrid quadcore...
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Forum: Lounge
2022-06-01, 18:32
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Replies: 30
Views: 2,146
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Forum: Lounge
2022-05-31, 22:14
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Replies: 30
Views: 2,146
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Forum: Lounge
2022-05-31, 19:01
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Replies: 4,467
Views: 422,409
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Forum: Data
2022-05-25, 22:34
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Replies: 110
Views: 7,330
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Forum: Lounge
2022-05-19, 20:58
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Replies: 1,936
Views: 226,714
His music for The Bounty...
His music for The Bounty (https://en.wikipedia.org/wiki/The_Bounty_%281984_film%29) was also surprisingly effective in a very nontraditional way. Underrated film IMO, very checkered development...
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Forum: FermatSearch
2022-05-14, 21:26
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Replies: 14
Views: 8,408
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Forum: FermatSearch
2022-05-13, 22:29
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Replies: 14
Views: 8,408
F25-F30 cofactor status
[By way of cross-referencing]
I just posted details/results for my tests of the F25-F30 cofactors here (https://www.mersenneforum.org/showthread.php?p=605833#post605833). Executive Summary:
o...
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Forum: Factoring
2022-05-13, 22:16
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Replies: 73
Views: 12,349
OK, so it took a little bit longer...
OK, so it took a little bit longer (https://www.mersenneforum.org/showthread.php?p=605833#post605833) - but from F25 all the way through F30, the latter having required roughly 100x the compute...
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Forum: Computer Science & Computational Number Theory
2022-05-13, 22:05
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Replies: 82
Views: 36,284
F25-F30 cofactor status, Part 2
In each case I begin with a quick Pépin-test residue sanity check, summarized here:
In the results below, for each prime factor, 'A: R == ' is the full residue (mod p) and 'B: R ==' is the (mod p)...
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Forum: Computer Science & Computational Number Theory
2022-05-13, 21:54
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Replies: 82
Views: 36,284
F25-F30 cofactor status, Part 1
[I PMed a more-or-less-identical draft of this to Prime95, ATH; yorix, jasonp, philmoore and R. Gerbicz yesterday]
F25-F30 cofactor status:
In the context of testing the cofactor-PRP...
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Forum: Lounge
2022-05-08, 23:55
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Replies: 1,936
Views: 226,714
Ghost_of_Kyiv...
Ghost_of_Kyiv (https://en.wikipedia.org/wiki/Ghost_of_Kyiv) | Wikipedia
But while we're on the topic of glue-sniffing, don't let that stop anyone from running out and buying the commemorative...
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Forum: GPU Computing
2022-04-18, 19:08
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Replies: 45
Views: 7,754
@Magellan3s: What about int32 performance vs...
@Magellan3s: What about int32 performance vs float32? I'm guessing much of the TF code uses that.
No need for big specs-tables dumps, just the rundown of int32 vs float32 for various GPUs of...
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Forum: GPU Computing
2022-04-09, 20:16
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Replies: 375
Views: 97,954
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Forum: GMP-ECM
2022-04-01, 22:36
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-04-01, 21:26
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-04-01, 20:52
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-04-01, 20:12
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-04-01, 18:47
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-04-01, 00:12
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Replies: 24
Views: 2,197
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Forum: GMP-ECM
2022-03-31, 22:55
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Replies: 24
Views: 2,197
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