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-   -   Team Sieve #28: c162 from 4788:2714 (https://www.mersenneforum.org/showthread.php?t=16113)

jrk 2011-08-21 17:41

Team Sieve #28: c162 from 4788:2714
 
[B]This factorization is [URL="http://www.mersenneforum.org/showthread.php?p=275256#post275256"]now complete[/URL]![/B] c162=p58*p104!

line 2714 poly:

[code][color=green]# sieve with ggnfs siever 14e on alg side from Q=20M to 110M[/color]
# aq4788:2714
n: 166628602458863199681412390571945956860829753847508222415516181474212983857492472997546584729232553557611656225147264335510630155874735267087971313501090504483283
# norm 1.033178e-15 alpha -7.397680 e 1.125e-12 rroots 5
skew: 8306870.08
c0: 1537653061177199519675438204046890885952
c1: 3935686831392450389288572372831416
c2: -1300482116441861083603358574
c3: -52381580831494617839
c4: 17170757066054
c5: 737880
Y0: -11769353184227158156714388973907
Y1: 971514928020629777
rlim: 45000000
alim: 45000000
lpbr: 29
lpba: 30
mfbr: 58
mfba: 60
rlambda: 2.5
alambda: 2.5
[/code]

Reservations:[code]
20- 26 M Andi47 (done)
26- 90 M debrouxl (done)
90- 92 M Mini-Geek (done, 1834879 relations)
92- 95 M jrk (done, 2723915 relations)
95-112.5M debrouxl (done)
[/code]

debrouxl 2011-10-04 08:29

Given that jrk suggested sieving the C162 with 14e, after the current SNFS 242 factorization completes, I could queue on RSALS some WUs, preferably in a contiguous ranges of q values starting from the low q values.

Andi47 2011-10-07 16:00

600 more ecm-curves @11e7, no factor.

reserving 20-26M for GNFS (and hoping for others to join).

schickel 2011-10-08 04:22

[QUOTE=debrouxl;273367]Given that jrk suggested sieving the C162 with 14e, after the current SNFS 242 factorization completes, I could queue on RSALS some WUs, preferably in a contiguous ranges of q values starting from the low q values.[/QUOTE]Are you in a position to do this now? You could take a range starting at 26M.....

BTW, who's going to do the post on this?

debrouxl 2011-10-08 07:26

Yes, the sieving of "4099_67_minus1" is drawing to a close. At the time of this writing, the WU generation system is starving, so the clients will be starving in several hours unless I queue something.

Therefore, reserving 26M-90M :smile:

Local testing indicates ~1 relation per q value, at ~0.42 sec/rel on Core 2 (Duo) T7200.

Mini-Geek 2011-10-08 11:24

Reserving 90M-92M.

debrouxl 2011-10-08 13:21

Over the ~100 first results returned to RSALS, the yield is ~1.2 relation per q value.

jrk 2011-10-08 15:28

Reserving 92M-95M

henryzz 2011-10-08 19:18

Assuming it will fit in 6 GB of memory and finish in less than a week on my Q6600 I would like to do postprocessing for a change.

debrouxl 2011-10-10 04:01

Yeah, filtering of 30-bit LPs tasks usually fits in 6 GB.
At the time of this writing, all WUs for the 26M-90M range have been created, and the WU stock will soon be depleted; results for 38.43M scattered q values have been returned, totaling 43459669 raw relations.

debrouxl 2011-10-10 05:54

If nobody claims part of the remaining (95M-110M) range by tonight (CEST), i.e. in about twelve hours, I'll queue that range to RSALS, so that as far as RSALS is concerned, post-processing could start on Friday or Saturday :smile:


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