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-   -   Polynomial Request Thread (https://www.mersenneforum.org/showthread.php?t=18368)

swellman 2018-08-14 13:22

[QUOTE=VBCurtis;493838]Well, the previous C196 record was well below the regression for the rest of the 190's. This record is closer to what we'd expect of a C196, but is less than 15% better than the C197 record and less than 25% better than the C198 record.

It's definitely a good enough poly to send to the queue, but I don't think it's so good that we should give up. I'm going to give it another 4-6 GPU days, at least.[/QUOTE]

Well I’m not convinced msieve will produce such an outlier e-score based on the results so far, but stranger things have happened. I’ll keep plugging away on my 2-3M range.

swellman 2018-08-14 20:39

C175 Poly
 
[code]
# norm 5.143653e-17 alpha -8.586371 e 1.693e-13 rroots 5
skew: 82924273.95
c0: 227008169217625243794630843382004397631551871
c1: 24202873483871038778205737746194028045
c2: 240621468613024487515461120923
c3: -7295516058474896305675
c4: -22840627972044
c5: 412380
Y0: -7373458258835220710569366646538690
Y1: 11363442257635501[/code]

fivemack 2018-08-15 16:59

[QUOTE=swellman;493918][code]
# norm 5.143653e-17 alpha -8.586371 e 1.693e-13 rroots 5
skew: 82924273.95
c0: 227008169217625243794630843382004397631551871
c1: 24202873483871038778205737746194028045
c2: 240621468613024487515461120923
c3: -7295516058474896305675
c4: -22840627972044
c5: 412380
Y0: -7373458258835220710569366646538690
Y1: 11363442257635501[/code][/QUOTE]

Looks very good to me - wins on trial sieving - I'll start the job with this one on 15e today

RichD 2018-08-17 03:22

C196 Poly
 
Nothing better than previously posted in the range 4-5M. In fact, I can't seem to compete with others. Bowing out.

VBCurtis 2018-08-22 15:59

Final results from C196/3366 poly select:
[code]# norm 3.116774e-19 alpha -8.984742 e 7.309e-15 rroots 3
skew: 223112561.35
c0: 1982960910999128068040530733217699205079027780596
c1: -90774389963436342015820466093347843458616
c2: 744878450539765975663596368684447
c3: 3557356788545118751303396
c4: -1221311699651148
c5: 11395440
Y0: -60073320404336845949302106236590661515
Y1: 43641659817148995349
[/code]
From the same -npr run:
[code]# norm 3.064387e-19 alpha -8.630707 e 7.298e-15 rroots 3
skew: 156460573.22
c0: -268628950303017501001053485758634698228350732900
c1: -27132329190676554884439849262094109913236
c2: 128262017333295842228778258051179
c3: 4154849153147773195634020
c4: -4302711150649548
c5: 11395440
Y0: -60073320406697042424404811318586665443
Y1: 43641659817148995349[/code]
I ran 10M-13.5M. This concludes my search.

swellman 2018-08-22 16:48

I’m currently running the last of my C196/3366 poly searches. Running -npr starting tonight so I should have my best findings by Friday latest.

swellman 2018-08-23 14:19

C188
 
I’ve got C188_150_83 from the xyyx project just finish ECM to t60, courtesy of Yoyo@Home. It is a GNFS job. Anyone interested?

[code]
18542951545768537847599033843697023124198220145962227794225956507917052033530134528476420619374854116700926506230430088859878776248843792600128881295042916994468287033412294014153979070999[/code]

I’ll take 1-2M once I finish C196/3366 poly search this weekend.

RichD 2018-08-23 15:46

C188
 
[QUOTE=swellman;494532]I’ve got C188_150_83 from the xyyx project just finish ECM to t60, courtesy of Yoyo@Home. It is a GNFS job. Anyone interested?[/QUOTE]

I'll take 4-5M starting tonight or tomorrow morning.

VBCurtis 2018-08-23 18:16

Yay! C188 is a size we haven't done before. I'll start with 8-10M.

This is also a GNFS size in which I have interest regarding matrix size/difficulty, so I'll be happy to tackle the LA when it's ready.

swellman 2018-08-23 19:16

[QUOTE=VBCurtis;494542]Yay! C188 is a size we haven't done before. I'll start with 8-10M.

This is also a GNFS size in which I have interest regarding matrix size/difficulty, so I'll be happy to tackle the LA when it's ready.[/QUOTE]

Then you’ll be happy to know that I’ve also got a C206 GNFS in the works, though it still needs a good deal of ECM. C206 is the point where sextics make sense IIRC. Won’t be ready for GNFS until late fall.

Gimarel 2018-08-24 09:13

3366 c196 poly
 
Lower score but much lower skew.[CODE]# norm 3.284342e-19 alpha -7.862888 e 7.576206e-15 rroots 3
skew: 29263718.85
c0: 2364507753004226359920982354336346855625696951
c1: 107285508232123684681062870788151823401
c2: 889528087250675578493365327999
c3: -192463050442358572032601
c4: -77337813897835950
c5: 100035000
Y0: -38904287118153852070951416452844314674
Y1: 54464754081101686223[/CODE]


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