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Search: Posts Made By: Gimarel
Forum: Msieve 2021-10-09, 19:49
Replies: 2,047
Views: 181,058
Posted By Gimarel
No record, but probably good enough:# norm...

No record, but probably good enough:# norm 3.618284e-17 alpha -6.409398 e 1.429e-13 rroots 3
skew: 24891510.68
c0: 254067172929618880258735877772200090178855
c1:...
Forum: Cunningham Tables 2021-09-19, 07:40
Replies: 114
Views: 33,801
Posted By Gimarel
I have a poly with a higher score, but I'm not...

I have a poly with a higher score, but I'm not sure that it sieves better because of the higher skew.# norm 6.818228e-20 alpha -8.672366 e 2.910e-15 rroots 5
skew: 481915633.31
c0:...
Forum: Cunningham Tables 2021-09-14, 14:24
Replies: 114
Views: 33,801
Posted By Gimarel
I'll try to get a better poly with msieve-gpu.

I'll try to get a better poly with msieve-gpu.
Forum: Aliquot Sequences 2021-08-29, 16:33
Replies: 3,137
Views: 256,056
Posted By Gimarel
Sorry, I didn't find anything better.

Sorry, I didn't find anything better.
Forum: Aliquot Sequences 2021-08-29, 12:56
Replies: 3,137
Views: 256,056
Posted By Gimarel
I couldn't improve the previous two. I'll try...

I couldn't improve the previous two. I'll try these now.
Forum: Factoring 2021-08-29, 12:53
Replies: 92
Views: 5,167
Posted By Gimarel
Current git fails for inputs near 512 Bits. It...

Current git fails for inputs near 512 Bits. It seems that there is a condition the wrong way:diff --git a/cgbn_stage1.cu b/cgbn_stage1.cu
index 1b512ecd..f67f8715 100644
--- a/cgbn_stage1.cu
+++...
Forum: Aliquot Sequences 2021-08-23, 14:03
Replies: 3,137
Views: 256,056
Posted By Gimarel
I'm on vacation right now. I'll see what I can do...

I'm on vacation right now. I'll see what I can do next week.
Forum: Aliquot Sequences 2021-08-22, 17:57
Replies: 3,137
Views: 256,056
Posted By Gimarel
msieve rootsieve result: norm 8.006896e-16 alpha...

msieve rootsieve result: norm 8.006896e-16 alpha -9.642905 e 3.849e-16 rroots 6
skew: 1998682.69
c0: -941780930937912992870400249010487587324648656
c1: -1560004830805915154414596156183671024166...
Forum: Aliquot Sequences 2021-08-22, 17:56
Replies: 3,137
Views: 256,056
Posted By Gimarel
My best poly at this time is# norm 7.281232e-16...

My best poly at this time is# norm 7.281232e-16 alpha -11.657411 e 3.534e-16 rroots 4
skew: 136068650.31
c0: 27680344439067470290809361307486495967413680207186278
c1:...
Forum: Aliquot Sequences 2021-08-18, 14:31
Replies: 3,137
Views: 256,056
Posted By Gimarel
ropt of this poly gives: ### root-optimized...

ropt of this poly gives:
### root-optimized polynomial 0 ###
n:...
Forum: YAFU 2021-08-17, 11:15
Replies: 291
Views: 20,609
Posted By Gimarel
I'm getting the same SEGFAULT with gcc-9. I will...

I'm getting the same SEGFAULT with gcc-9. I will try to install gcc-11, but this will take some time.

I also tried clang-11 but the build fails with:clang-11 -g -DUSE_SSE2 -mbmi2 -mbmi -DUSE_BMI2...
Forum: Aliquot Sequences 2021-08-13, 08:31
Replies: 3,137
Views: 256,056
Posted By Gimarel
I have done a short test withpolyselect -n...

I have done a short test withpolyselect -n...
Forum: Aliquot Sequences 2021-08-13, 08:18
Replies: 3,137
Views: 256,056
Posted By Gimarel
I'm not sure. It could be bad parameter selection...

I'm not sure. It could be bad parameter selection on my side. I have to do more testing when I have time.
Forum: Aliquot Sequences 2021-08-12, 15:12
Replies: 3,137
Views: 256,056
Posted By Gimarel
In my experience lower leading coefficients lead...

In my experience lower leading coefficients lead to better polys on average. I'd say the higher nq the better. But cado polyselect seems to have a bug, polyselect sometimes stops to output polys for...
Forum: YAFU 2021-08-12, 06:06
Replies: 291
Views: 20,609
Posted By Gimarel
Further testing showed, that the number doesn't...

Further testing showed, that the number doesn't matter. yafu crashes every time with siqs(rsa(215)), most of the time with siqs(rsa(214)) but runs every time with siqs(rsa(213)).
Also note that yafu...
Forum: YAFU 2021-08-11, 17:28
Replies: 291
Views: 20,609
Posted By Gimarel
I get a SIGSEGV with yafu 2.05 on a Ryzen 3950X...

I get a SIGSEGV with yafu 2.05 on a Ryzen 3950X under linux built with make yafu NFS=1 USE_SSE41=1 USE_AVX2=1 USE_BMI2=1 and yafu...
Forum: Factoring 2021-08-07, 15:07
Replies: 459
Views: 29,452
Posted By Gimarel
The coefficient selection is only a small part. I...

The coefficient selection is only a small part. I use msieve-GPU for stage1 but CADOs sizeopt and then again msieve for the rootsieve, because it's much faster.
I modified msieve to disable the...
Forum: Msieve 2021-08-01, 10:25
Replies: 2,047
Views: 181,058
Posted By Gimarel
2,2870M

After a very short search (<50min) I found this:# norm 3.637643e-19 alpha -8.509163 e 8.249e-15 rroots 5
skew: 81871767.80
c0: -78411619948201864034535871302357484417160067342
c1:...
Forum: Msieve 2021-06-08, 16:41
Replies: 23
Views: 5,369
Posted By Gimarel
My SVN revision is a bit newer, but the solution...

My SVN revision is a bit newer, but the solution is the same:
Index: gnfs/poly/stage1/stage1_sieve_gpu.c
===================================================================
---...
Forum: Msieve 2021-05-21, 04:48
Replies: 2,047
Views: 181,058
Posted By Gimarel
Aliquot sequence 829332 i3709 poly

Higher skew but better score:# norm 3.933615e-17 alpha -6.854526 e 1.461e-13 rroots 5
skew: 61866433.99
c0: 2719131198929160890142250422071105164951029
c1: 691888538541167685105313532443560430...
Forum: Aliquot Sequences 2021-04-16, 11:51
Replies: 3,137
Views: 256,056
Posted By Gimarel
Poly for i12590

A poly with an almost identical score, so there is choice:# norm 1.605668e-18 alpha -8.679931 e 2.105e-14 rroots 1
skew: 31007883.18
c0: 110959553355656567543356858499151578955792060
c1:...
Forum: Aliquot Sequences 2021-04-15, 07:00
Replies: 3,137
Views: 256,056
Posted By Gimarel
Poly for i12590

Is this poly good enough?# norm 1.631703e-18 alpha -7.844265 e 2.103e-14 rroots 5
skew: 15787707.53
c0: -12457606607293791983436376764155893116902090
c1: 1234654372800758634221295200055389121
c2:...
Forum: Aliquot Sequences 2021-04-03, 07:36
Replies: 3,137
Views: 256,056
Posted By Gimarel
I have run polyselect. The best poly isn't...

I have run polyselect. The best poly isn't probably the best for sieving# norm 1.481342e-16 alpha -7.325643 e 3.311e-13 rroots 3
skew: 119080733.61
c0: -18145408366926326121017458043186624915628300...
Forum: Msieve 2021-03-21, 07:25
Replies: 2,047
Views: 181,058
Posted By Gimarel
I had hoped for something better, but nothing...

I had hoped for something better, but nothing turned up. Here's the best I found:# norm 9.850693e-20 alpha -7.665176 e 3.712e-15 rroots 3
skew: 14142269.78
c0:...
Forum: Aliquot Sequences 2021-03-07, 20:28
Replies: 476
Views: 64,045
Posted By Gimarel
Here's a poly:# norm 1.168186e-19 alpha -8.419964...

Here's a poly:# norm 1.168186e-19 alpha -8.419964 e 4.117e-15 rroots 5
skew: 45645857.17
c0: -18098601315886851468557887762291980392541100584
c1: 4841688835906037944690945208990931966764
c2:...
Showing results 1 to 25 of 184

 
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