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 Showing results 1 to 25 of 1000 Search took 0.35 seconds. Search: Posts Made By: henryzz
 Forum: Puzzles 2021-06-02, 12:44 Replies: 20 Views: 1,388 Posted By henryzz Matching problem Suppose you have n letters and n addressed envelopes that you need to match. You can find matches by pairing all letters with envelopes and a friend will tell you how many matches there are(not...
 Forum: Factoring 2021-06-01, 10:28 Replies: 36 Views: 1,439 Posted By henryzz Feed the remaining composite after small factors... Feed the remaining composite after small factors have been removed. The polynomial can be a multiple of the number being factored and we often use that to generate better polynomials(the polynomials...
 Forum: CADO-NFS 2021-05-27, 08:40 Replies: 4 Views: 357 Posted By henryzz I am not sure how I missed that ccwrap.pl.in was... I am not sure how I missed that ccwrap.pl.in was a broken symlink. Thanks for your help it appears that is the last one.
 Forum: CADO-NFS 2021-05-26, 20:22 Replies: 4 Views: 357 Posted By henryzz That moved the compilation further on. The error... That moved the compilation further on. The error is now: [ 0%] Building gf2x Making all in lowlevel Making all in src Making all in . Making all in fft Making all in tests [ 0%] Built...
 Forum: CADO-NFS 2021-05-19, 19:03 Replies: 52 Views: 9,035 Posted By henryzz It might be interesting to find the best TD for... It might be interesting to find the best TD for each number of relations. In theory, the difference should be even more pronounced than with a constant TD.
 Forum: Prime Gap Searches 2021-05-09, 08:43 Replies: 37 Views: 2,797 Posted By henryzz Are you suggesting that we search... Are you suggesting that we search m*2347*7993#/13#?
 Forum: Factoring 2021-05-06, 18:16 Replies: 957 Views: 104,500 Posted By henryzz Congratulations for finally getting this... Congratulations for finally getting this problematic number done.
 Forum: Prime Gap Searches 2021-05-04, 14:24 Replies: 257 Sticky: Prime Gap News Views: 56,789 Posted By henryzz Is that two 3M+ gaps with no known boundaries or... Is that two 3M+ gaps with no known boundaries or do you know some of the boundary primes?
 Forum: GpuOwl 2021-05-02, 21:34 Replies: 2,715 Views: 273,175 Posted By henryzz That would do it:smile: That would do it:smile:
 Forum: GpuOwl 2021-05-02, 20:56 Replies: 2,715 Views: 273,175 Posted By henryzz I am a little surprised how much slower that is... I am a little surprised how much slower that is than the RX 6800. Nvidia OpenCL penalty?
 Forum: Prime Gap Searches 2021-05-02, 07:53 Replies: 37 Views: 2,797 Posted By henryzz Just realized I never responded to this. I... Just realized I never responded to this. I think it makes sense that the average gap case would be bad. It punishes central candidates so strongly it ignores wider candidates. I would imagine for...
 Forum: Prime Gap Searches 2021-04-25, 19:24 Replies: 37 Views: 2,797 Posted By henryzz The offset is 1 mod 2, 2 mod 3, 4 mod 5 etc for... The offset is 1 mod 2, 2 mod 3, 4 mod 5 etc for primes up to 7993
 Forum: Software 2021-04-25, 15:51 Replies: 312 Sticky: Prime95 v30.4/30.5/30.6 Views: 29,077 Posted By henryzz I forgot it was the factor and not the composite.... I forgot it was the factor and not the composite. :down:
 Forum: Software 2021-04-25, 10:55 Replies: 312 Sticky: Prime95 v30.4/30.5/30.6 Views: 29,077 Posted By henryzz Is there any logic behind trying to identify... Is there any logic behind trying to identify which starting values actually do P+1? For example, if we multiply the original composite by a small prime that will be found with very small P+1 bounds...
 Forum: Prime Gap Searches 2021-04-25, 10:49 Replies: 37 Views: 2,797 Posted By henryzz Sorry, I thought I had posted that. I have added... Sorry, I thought I had posted that. I have added a couple more attempts that I hope should be better. They optimize for gaps of 20 and 15 merit. These attempts have much fewer deviations from a CRT...
 2021-04-24, 21:59 Replies: 5 Views: 685 Posted By henryzz It would be nice to see a version of table 7 with... It would be nice to see a version of table 7 with primes removed if their branch has terminated in a future iteration(numbers should be monotone increasing in this case). It is a shame that the...
 Forum: Factoring 2021-04-21, 08:33 Replies: 32 Views: 1,484 Posted By henryzz It should reduce the clock speed if it hits 95C.... It should reduce the clock speed if it hits 95C. I don't think you need to worry about it hitting 95C. That said I don't think I would leave it there. It does feel like the temperature difference is...
 Forum: Prime Gap Searches 2021-04-18, 11:08 Replies: 37 Views: 2,797 Posted By henryzz I have finally had time to code swapping based on... I have finally had time to code swapping based on probabilities of offsets being included in a gap. I have based it on the raw probabilities before accounting for offsets. I am unsure whether I need...
 Forum: Miscellaneous Math 2021-04-15, 02:30 Replies: 24 Views: 766 Posted By henryzz A test that is deterministic up to 50m is not... A test that is deterministic up to 50m is not difficult to find. https://miller-rabin.appspot.com/ has records for this sort of thing.
 Forum: NFS@Home 2021-04-14, 10:48 Replies: 140 Views: 15,769 Posted By henryzz Shouldn't either Y1 or Y0 be negative? Shouldn't either Y1 or Y0 be negative?
 Forum: Aliquot Sequences 2021-04-13, 16:31 Replies: 1,172 Views: 115,086 Posted By henryzz Has anyone considered whether SNFS polynomials... Has anyone considered whether SNFS polynomials exist for s((x*y)^n)? s(38^100)=36*38^100-2^101-19^101 for example. I can't help thinking there is SNFS polynomial for this but I can't see it.
 2021-04-13, 09:55 Replies: 7 Views: 307 Posted By henryzz https://en.m.wikipedia.org/wiki/Erd%C5%91s%E2%80%9... https://en.m.wikipedia.org/wiki/Erd%C5%91s%E2%80%93Kac_theorem#:~:text=The%20Erd%C5%91s%E2%80%93Kac%20theorem%20means,requires%20on%20average%20three%20primes. The average number of factors is...
 Forum: Factoring 2021-04-07, 17:45 Replies: 23 Views: 1,084 Posted By henryzz https://sourceforge.net/p/ggnfs/code/441/tree/trun... https://sourceforge.net/p/ggnfs/code/441/tree/trunk/src/pol5/Readme-ggnfs.txt suggests pol5 also came from T. Kleinjung and/or Jens Franke'' This was used alongside msieve cpu polynomial...
 Forum: Hardware 2021-04-07, 15:19 Replies: 19 Views: 1,892 Posted By henryzz Did this test fit in the L3 cache? One or two... Did this test fit in the L3 cache? One or two workers might fit better. The AVX-512 benchmark could be running into bandwidth issues. More but slower cores is definitely the efficient way to go....
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