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Forum: GPU Computing 2020-10-20, 12:39
Replies: 3,379
Views: 293,747
Posted By axn
Can't it be made to assume otherwise?

Can't it be made to assume otherwise?
Forum: Wagstaff PRP Search 2020-10-20, 05:42
Replies: 395
Views: 38,874
Posted By axn
184k-185k

2^184031+1 = 3066962055535703524782090187
2^184031+1 = 3310916668900935201649
2^184031+1 = 8537179521952278577
2^184081+1 = 19318835619480293871001
2^184081+1 = 5034321118894336579
2^184081+1 =...
Forum: Math 2020-10-17, 17:02
Replies: 14
Views: 401
Posted By axn
We are looking at n prime. Since 2^n+1 has a...

We are looking at n prime. Since 2^n+1 has a forced factor of 3, we're looking for Wagstaff primes where the corresponding Mersenne number is a prime or semiprime. There should be infinitely many...
Forum: Wagstaff PRP Search 2020-10-17, 10:34
Replies: 395
Views: 38,874
Posted By axn
199k-200k

2^199037+1 = 627249193279444185889
2^199039+1 = 87865287613670545729
2^199207+1 = 9285128156437126547
2^199211+1 = 1869890775733000036955833
2^199261+1 = 974567960511316133064329
2^199313+1 =...
Forum: GPU Computing 2020-10-13, 14:21
Replies: 1,656
Views: 154,886
Posted By axn
He's using standard Primenet conversion 1Gd/d =...

He's using standard Primenet conversion 1Gd/d = 2GFLOPS
Forum: Soap Box 2020-10-10, 17:03
Replies: 1,338
Views: 57,315
Posted By axn
Ratatouille (2007)

Ratatouille (2007)
Forum: Wagstaff PRP Search 2020-10-10, 16:55
Replies: 395
Views: 38,874
Posted By axn
183k-184k

2^183023+1 = 173261792843097073
2^183023+1 = 38817123227377773657403
2^183037+1 = 166240186193141251
2^183041+1 = 16275694048614271643
2^183059+1 = 130017100225269608033
2^183263+1 =...
Forum: Lone Mersenne Hunters 2020-10-10, 06:36
Replies: 1,705
Views: 143,940
Posted By axn
Another big one. 42 digits, 138 bits ...

Another big one. 42 digits, 138 bits

M3667249 has a factor: 343439538302947378252521531857403032501081 (P-1, B1=30000000, B2=600000000, E=12)

Not my biggest, but still a top-40
Forum: Hardware 2020-10-09, 14:34
Replies: 25
Views: 975
Posted By axn
Quite possible, now that you mention it.

Quite possible, now that you mention it.
Forum: Miscellaneous Math 2020-10-07, 15:40
Replies: 7
Views: 227
Posted By axn
which can be simplified to q mod 8 = 1 or 7

which can be simplified to q mod 8 = 1 or 7
Forum: Hardware 2020-10-05, 14:00
Replies: 25
Views: 975
Posted By axn
Unlikely that 560K result has anything to do with...

Unlikely that 560K result has anything to do with memory. The i9 is a 20MB L3 part so the whole FFT should be running entirely from L3 and shouldn't be hitting RAM at all. Probably just seeing...
Forum: Soap Box 2020-10-03, 03:04
Replies: 55
Views: 1,525
Posted By axn
You need to select the "multiple choice" option...

You need to select the "multiple choice" option (see attachment) while creating the poll. Unfortunately, it doesn't seem possible to edit the poll and change it to a multiple choice option, so you...
Forum: Hardware 2020-10-02, 14:33
Replies: 170
Views: 9,820
Posted By axn
They = ? I mean, 3080 is better performance...

They = ?

I mean, 3080 is better performance than 2080 Ti. So if the second hand 2080 Tis are not offered _substantially_ cheaper than brand new 3080, you're better off going with 3080. Since the...
Forum: Wagstaff PRP Search 2020-10-02, 14:25
Replies: 395
Views: 38,874
Posted By axn
182k-183k

2^182009+1=147704046657248152898401
2^182009+1=3193379401330177797011
2^182009+1=3375236255839455737
2^182027+1=157795743703740834520057
2^182141+1=149277234675966874085704891...
Forum: Hardware 2020-10-01, 15:24
Replies: 170
Views: 9,820
Posted By axn
Unless they go for less money than an RTX 3080,...

Unless they go for less money than an RTX 3080, you're better off buying that one, as it gives better performance.
Forum: Hardware 2020-10-01, 15:06
Replies: 170
Views: 9,820
Posted By axn
Based on raw DP numbers and bandwidth...

Based on raw DP numbers and bandwidth improvements, a 3090 might have 20-40% higher thruput than a 2080 Ti. 3080 might have 10% higher thruput than 2080 Ti.
/SWAG

EDIT:- Where are you getting...
Forum: Hardware 2020-10-01, 15:00
Replies: 170
Views: 9,820
Posted By axn
It is $1500, you'll most likely need to buy a new...

It is $1500, you'll most likely need to buy a new PSU, and you'll have to sell a kidney to pay for the electricity. :smile:
Forum: Aliquot Sequences 2020-09-30, 13:01
Replies: 634
Views: 29,790
Posted By axn
All numbers with Nov 4 date is a lie. It just...

All numbers with Nov 4 date is a lie. It just means the database was rebuilt on that date and they lost all history of any existing numbers. Hence the "before"
Forum: enzocreti 2020-09-29, 11:01
Replies: 3
Views: 102
Posted By axn
69660 is a pg prime thingie. Sorry to disappoint...

69660 is a pg prime thingie. Sorry to disappoint you.
Forum: GpuOwl 2020-09-28, 05:44
Replies: 108
Views: 3,620
Posted By axn
Do we have some hard numbers comparing these two...

Do we have some hard numbers comparing these two schemes (i.e. traditional P-1-before-PRP, and P-1-during-PRP) and the expected savings and optimal bounds for a current wavefront PRP? Especially with...
Forum: Lounge 2020-09-24, 11:45
Replies: 1,502
RIP
Views: 101,808
Posted By axn
Dean Jones (former Aussie cricketer)

Dean Jones (former Aussie cricketer)
Forum: Hardware 2020-09-24, 09:11
Replies: 170
Views: 9,820
Posted By axn
Hmmm... Haven't run into these. Mostly seen their...

Hmmm... Haven't run into these. Mostly seen their hardware contents only. Will check these out.
Forum: Hardware 2020-09-24, 08:25
Replies: 170
Views: 9,820
Posted By axn
What Linux content?

What Linux content?
Forum: Wagstaff PRP Search 2020-09-23, 17:11
Replies: 395
Views: 38,874
Posted By axn
181k-182k

2^181031+1 = 4539282868521690809873
2^181087+1 = 583220928363898193
2^181201+1 = 378599683202077370507
2^181211+1 = 78063361679692049
2^181219+1 = 1568762826538016763403
2^181303+1 =...
Forum: Wagstaff PRP Search 2020-09-15, 02:02
Replies: 395
Views: 38,874
Posted By axn
180k-181k

2^180073+1 = 529177529574833417081
2^180073+1 = 57294368098941995181747710561
2^180097+1 = 13481683846649636744156659
2^180161+1 = 3338880716108152547
2^180179+1 = 955625595136915380089...
Showing results 1 to 25 of 1000

 
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