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Search: Posts Made By: henryzz
Forum: Hardware 2021-07-31, 12:14
Replies: 18
Views: 701
Posted By henryzz
That list is things we would expect it to do.

That list is things we would expect it to do.
Forum: Hardware 2021-07-30, 21:49
Replies: 18
Views: 701
Posted By henryzz
It wouldn't surprise me if it is an oversensitive...

It wouldn't surprise me if it is an oversensitive AV complaining because it is doing fairly invasive checks.
Forum: Prime Gap Searches 2021-07-28, 18:07
Replies: 48
Views: 6,827
Posted By henryzz
Decided to rebuild for the first time in ages and...

Decided to rebuild for the first time in ages and it won't compile:

g++ -c -o gap_common.o gap_common.cpp -Wall -Werror -O3
g++ -c -o modulo_search.o modulo_search.cpp -Wall -Werror -O3
g++ -o...
Forum: Hardware 2021-07-21, 09:16
Replies: 5
Views: 299
Posted By henryzz
If the ECC is only on-chip would that allow...

If the ECC is only on-chip would that allow pushing the overclocking of some of the memory timings more than the bandwidth?
Hopefully, this ECC is applied to the current weak links and will help.
Forum: CADO-NFS 2021-07-13, 11:26
Replies: 25
Views: 12,894
Posted By henryzz
If you do need to repeat it after rebooting you...

If you do need to repeat it after rebooting you could add it to .bashrc
Forum: Factoring 2021-07-09, 11:46
Replies: 964
Views: 109,043
Posted By henryzz
It might be a good learning exercise to push each...

It might be a good learning exercise to push each of the forbidden factors as far as possible(assuming that previous primes have been forbidden). Working out the logic to circumvent these roadblocks...
Forum: Factoring 2021-07-09, 11:24
Replies: 10
Views: 3,357
Posted By henryzz
I assume you didn't find anything?

I assume you didn't find anything?
Forum: Other Mathematical Topics 2021-06-28, 10:34
Replies: 11
Views: 1,537
Posted By henryzz
It's a shame that extending the search made so...

It's a shame that extending the search made so little difference lower down. From 599 to 797 the difference is only 1. I was hoping that more could be eliminated. Maybe some more could be if the...
Forum: Puzzles 2021-06-02, 12:44
Replies: 20
Views: 2,569
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: 51
Views: 2,584
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: 446
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: 446
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 2021-05-26, 09:05
Replies: 4
Views: 446
Posted By henryzz
Compilation issues

I am struggling to compile CADO and am getting the following error:

4
File /mnt/e/Downloads/cado-nfs-master-210526/cado-nfs-master/gf2x/toom-gpl.c is a placeholder, using an LGPL-licensed gf2x...
Forum: CADO-NFS 2021-05-19, 19:03
Replies: 53
Views: 10,438
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: 3,228
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: 964
Views: 109,043
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: 258
Sticky: Prime Gap News
Views: 60,619
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: 2,718
Views: 285,132
Posted By henryzz
That would do it:smile:

That would do it:smile:
Forum: GpuOwl 2021-05-02, 20:56
Replies: 2,718
Views: 285,132
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: 3,228
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: 3,228
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: 357
Views: 36,743
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: 357
Views: 36,743
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: 3,228
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...
Forum: Other Mathematical Topics 2021-04-24, 21:59
Replies: 11
Views: 1,537
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...
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