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Search: Posts Made By: Gimarel
Forum: Cunningham Tables 2021-11-29, 08:14
Replies: 9
Views: 550
Posted By Gimarel
3.5e-16 is possible:# norm 7.406551e-16 alpha...

3.5e-16 is possible:# norm 7.406551e-16 alpha -9.691472 e 3.501e-16 rroots 6
skew: 7000972.35
c0: 53635249950771487474963143079350712070525911980
c1: 34662949307835344131518242206719949955943
c2:...
Forum: Msieve 2021-11-21, 19:20
Replies: 2,065
Views: 186,734
Posted By Gimarel
Here's a reasonably good poly # norm 1.374296e-16...

Here's a reasonably good poly # norm 1.374296e-16 alpha -7.731811 e 3.187e-13 rroots 3
skew: 16153366.22
c0: 15345155390883208777550444433706102143744
c1: -1027991494173220824074402840627824
c2:...
Forum: CADO-NFS 2021-11-14, 09:14
Replies: 18
Views: 899
Posted By Gimarel
I have a 3950X. I'm using four clients with...

I have a 3950X. I'm using four clients with --override t 8 --override bkmult 1,1s:1.2. The current WUs take 6m17s on average.
Forum: Cunningham Tables 2021-10-27, 13:02
Replies: 317
Views: 45,028
Posted By Gimarel
I think the loop exec <"$log" while read line...

I think the loop
exec <"$log"
while read line
do
...
done
is to slow. I would use something like
line=$(grep "Lattice Sieving: Marking workunit" "$log" | tail -n 1)
eta=${line:80}
grep...
Forum: Msieve 2021-10-09, 19:49
Replies: 2,065
Views: 186,734
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: 317
Views: 45,028
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: 317
Views: 45,028
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 101
Views: 7,681
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 296
Views: 24,953
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 3,149
Views: 263,581
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: 296
Views: 24,953
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: 296
Views: 24,953
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: 33,006
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: 2,065
Views: 186,734
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: 5,578
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: 2,065
Views: 186,734
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: 3,149
Views: 263,581
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:...
Showing results 1 to 25 of 188

 
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