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Search: Posts Made By: frmky
Forum: NFS@Home 2022-09-19, 06:28
Replies: 125
Views: 8,237
Posted By frmky
L1992 is done. VpWyxPJK

L1992 is done.

VpWyxPJK
Forum: NFS@Home 2022-09-18, 19:44
Replies: 106
Views: 7,974
Posted By frmky
73331_235 is done. wQdsxJVP

73331_235 is done.

wQdsxJVP
Forum: GMP-ECM 2022-09-18, 18:13
Replies: 23
Views: 1,117
Posted By frmky
Assuming ecm -param 3 gives a group order of ...

Assuming ecm -param 3 gives a group order of
9076380491288497514442256285656<31> = 2^3 · 3 · 13^2 · 9887 · 863843 · 262008508458197461<18>
That's within B1 but significantly exceeds B2.
Forum: GPU Computing 2022-09-16, 05:30
Replies: 5
Views: 309
Posted By frmky
That card works but is deprecated in CUDA 11, so...

That card works but is deprecated in CUDA 11, so I recommend using CUDA 10.2 (https://developer.nvidia.com/cuda-10.2-download-archive). If you use Ubuntu 18.04 LTS, it's a straightforward install....
Forum: NFS@Home 2022-09-13, 17:09
Replies: 125
Views: 8,237
Posted By frmky
11p7_290 is factored. NT0nSUK7

11p7_290 is factored.

NT0nSUK7
Forum: NFS@Home 2022-09-13, 04:57
Replies: 139
Views: 11,640
Posted By frmky
34210243_31m1 is done. LA took about 30 minutes. ...

34210243_31m1 is done. LA took about 30 minutes.

r5tXtibr
Forum: NFS@Home 2022-09-13, 04:50
Replies: 106
Views: 7,974
Posted By frmky
51119_228 is done. LA took about 4 minutes. ...

51119_228 is done. LA took about 4 minutes.

YrGNJURD
Forum: Cunningham Tables 2022-09-12, 05:03
Replies: 15
Views: 1,309
Posted By frmky
After a couple A40-months, I found two more...

After a couple A40-months, I found two more higher scoring polys from msieve.

# norm 2.363604e-16 alpha -9.855342 e 1.471e-16 rroots 4
skew: 4188324.95
c0:...
Forum: Cunningham Tables 2022-09-11, 00:10
Replies: 53
Views: 7,609
Posted By frmky
I realized that I had never tried it on a number...

I realized that I had never tried it on a number this large. I ran 4 singleton removal passes on the relation set for 2,2246M. The first pass removed a bit more than 20% of the relations, and the...
Forum: Cunningham Tables 2022-09-10, 21:57
Replies: 15
Views: 1,309
Posted By frmky
Just to get the party started, here are a couple...

Just to get the party started, here are a couple of early hits.

R0: -890858233525730603070019268730360731
R1: 10637678344873644797
A0: 299836229189041894895839186985662895951560076832
A1:...
Forum: Cunningham Tables 2022-09-10, 03:54
Replies: 53
Views: 7,609
Posted By frmky
Yes, the GPU LA running on NVLink-connected...

Yes, the GPU LA running on NVLink-connected A100's is exceeding my every expectation. I forgot to mention that it required at least 4 A100's to run because of the GPU memory needed to store two...
Forum: Cunningham Tables 2022-09-09, 19:05
Replies: 53
Views: 7,609
Posted By frmky
And we're done! Sieving q from 20M-3200M yielded...

And we're done! Sieving q from 20M-3200M yielded a little over 2 billion total relations and 1.18 billion unique relations. Filtering these produced a 114.7M matrix. Block Lanczos running on 8 A100...
Forum: NFS@Home 2022-09-08, 15:23
Replies: 125
Views: 8,237
Posted By frmky
C195_145_122 is done. gueTkTy3

C195_145_122 is done.

gueTkTy3
Forum: Msieve 2022-09-04, 21:24
Replies: 2,251
Views: 231,607
Posted By frmky
Here are the other 4 top candidates, all from the...

Here are the other 4 top candidates, all from the same a5 value:


# norm 7.234239e-20 alpha -8.248137 e 3.014e-15 rroots 3
skew: 616198965.11
c0:...
Forum: Msieve 2022-09-04, 18:37
Replies: 2,251
Views: 231,607
Posted By frmky
I put in another A40-week searching a significant...

I put in another A40-week searching a significant fraction of a5 up to about 168M. Nothing new better than 2.66e-15 was found. The top-5 were

# norm 7.268308e-20 alpha -8.182906 e 3.020e-15 rroots...
Forum: Msieve 2022-09-03, 03:14
Replies: 2,251
Views: 231,607
Posted By frmky
A day with msieve on an A40 gave this as the...

A day with msieve on an A40 gave this as the best. Still a bit below your range.

Edit: The search went up to about 15M.

R0: -1808663928460726406224959814449203828778
R1: 12684447350737457147...
Forum: And now for something completely different 2022-09-02, 18:11
Replies: 4
Views: 319
Posted By frmky
http://factordb.com/certoverview.php The page...

http://factordb.com/certoverview.php
The page allows you to enter a digit limit.
Forum: NFS@Home 2022-09-02, 03:07
Replies: 106
Views: 7,974
Posted By frmky
315__831_13m1 is factored. 2UQXfpu4

315__831_13m1 is factored.

2UQXfpu4
Forum: NFS@Home 2022-09-02, 03:06
Replies: 139
Views: 11,640
Posted By frmky
11p3_254 is done. GQA9B3R7

11p3_254 is done.

GQA9B3R7
Forum: NFS@Home 2022-08-31, 18:30
Replies: 27
Views: 2,760
Posted By frmky
And so is 2_2694M. Total postprocessing...

And so is 2_2694M. Total postprocessing start-to-finish took under 12 hours on a 64-core EPYC system with 8x A100's.

KHf1cPcz
Forum: NFS@Home 2022-08-31, 05:34
Replies: 125
Views: 8,237
Posted By frmky
C189_11040_10209 is done. WUCdynGa

C189_11040_10209 is done.

WUCdynGa
Forum: NFS@Home 2022-08-30, 02:18
Replies: 106
Views: 7,974
Posted By frmky
91119_234 is done. xj4GEG8v

91119_234 is done.

xj4GEG8v
Forum: NFS@Home 2022-08-28, 20:46
Replies: 139
Views: 11,640
Posted By frmky
21111_249 is done. bWWtVY7V

21111_249 is done.

bWWtVY7V
Forum: NFS@Home 2022-08-26, 16:42
Replies: 125
Views: 8,237
Posted By frmky
13_2_938m1 is done. It was completed with the...

13_2_938m1 is done. It was completed with the OpenMP+CUDA implementation I've been working on. Filtering and square root steps used multiple threads, and LA used 4x A100 gpus.

bCbkfZPc
Forum: Msieve 2022-08-26, 05:19
Replies: 8
Views: 466
Posted By frmky
I think I'm done for now. I've added OpenMP...

I think I'm done for now. I've added OpenMP constructs where it seems to make sense without making large changes. Of course some filtering steps parallelize better than others. For example, for...
Showing results 1 to 25 of 1000

 
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