20090504, 10:38  #1 
Nov 2008
2·3^{3}·43 Posts 
Team sieve #4: c138 from 4788:2383
Poly selection was done by Lots of us
Postprocessing will be done by mdettweiler We have almost enough relations....check the end of the thread for any more sieving needed before starting any ranges! See next message for relation upload instructions. Poly: Code:
n: 269461302253923115743046804544204780227535518397446478002103495733055094831911180910940594253877953143079412111134453043536380649289076203 Y0: 667075514232026401037903971 Y1: 1036651090752913 c0: 70301050564161042395853180825579264 c1: 760641393409756411433308787652 c2: 456862733931472272483861 c3: 400760058780476342 c4: 26481981572 c5: 2040 skew: 3879684.27 rlim: 9000000 alim: 9000000 lpbr: 28 lpba: 28 mfbr: 56 mfba: 56 rlambda: 2.5 alambda: 2.5 Reservations: Code:
Range Who * 2.0M 3.0M jrk (done, 1512988 rels) * 3.0M 3.1M Andi47 (done, 161616 rels) * 3.1M 3.2M Andi47 (done, 163806 rels) * 3.2M 5.0M jrk (done, 2779746 rels) * 5.0M 5.1M Andi47 (done, 174956 rels) * 5.1M 6.0M jrk (done, 1608500 rels) * 6.0M 7.0M smh (done, 1812201 rels) * 7.0M 7.5M smh (done, 909063 rels) * 7.5M 7.7M antiroach (done, 366699 rels) * 7.7M 9.0M jrk (done, 2290470 rels) * 9.0M 9.2M Andi47 (done, 357870 rels) * 9.2M 9.7M smh (done, 886845 rels) * 9.7M11.2M antiroach (done, 2574369 rels) *11.2M12.0M jrk (done, 1294383 rels) *12.0M13.8M schickel (done, 3873188 rels) *13.8M14.0M schickel (done, 459586 rels) *14.0M14.6M jrk (done, 895494 rels) *14.6M15.6M antiroach (done, 1439214 rels) *15.6M16.2M jrk (done, 843962 rels) *16.2M16.6M antiroach (done, 561854 rels) *16.6M17.27M antiroach (done, 1131562 rels) *17.27M17.6M antiroach (done, 452772 rels) *17.6M18.1M jrk (done, 673843 rels) *18.1M18.6M mdettweiler (done, 727736 rels) 19.0M20.0M antiroach Total relations received: 28346983 (113.9% of 25M rels) . Last fiddled with by schickel on 20090513 at 18:24 Reason: Updating reservations 
20090505, 07:06  #2  
"Frank <^>"
Dec 2004
CDP Janesville
2·1,049 Posts 
Upload instructions
Here are instructions on how to upload your relations:
Quote:
Last fiddled with by schickel on 20090506 at 17:42 Reason: Sucked the brains out and replaced with instructions 

20090505, 12:07  #3 
May 2008
1,093 Posts 
Was that a complete search with GGNFS?
Here's a nice one that popped out of msieve, searching around the higher than default leading coefficient (to not potentially waste effort). It has a smaller 'e' value but sieves ~4% faster. Code:
# norm 2.230278e13 alpha 6.709216 e 2.485e11 skew: 508389.51 c0: 1715096044102766131555640234382300 c1: 72526691734251272118367460690 c2: 120771683611520445554704 c3: 483822867366235288 c4: 398591914077 c5: 876240 Y0: 198414717006063417277428937 Y1: 3937215344981633 Code:
rlim: 9000000 alim: 9000000 lpbr: 28 lpba: 28 mfbr: 56 mfba: 56 rlambda: 2.5 alambda: 2.5 msieve poly: total yield: 17086, q=10010023 (0.02513 sec/rel) 
20090505, 15:19  #4  
Oct 2004
Austria
7×353 Posts 
Quote:
This one might be slightly better (assuming that the "combined" value from msieve is the same as the "e" value): Code:
R0: 667075514232026401037903971 R1: 1036651090752913 A0: 70301050564161042395853180825579264 A1: 760641393409756411433308787652 A2: 456862733931472272483861 A3: 400760058780476342 A4: 26481981572 A5: 2040 skew 3879684.27, size 2.230540e013, alpha 7.209819, combined = 2.495775e011 

20090505, 15:19  #5 
Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
13144_{8} Posts 
has a recommended level msieve poly serch been done?
i bet that will find a better poly than anything else 
20090505, 15:33  #6 
Nov 2008
2·3^{3}·43 Posts 
Which siever did you use? And shouldn't alim and rlim be higher than 9M? (They were 12M for the C136.)

20090505, 15:38  #7 
Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
2^{2}·1,433 Posts 

20090505, 15:47  #8 
Nov 2008
912_{16} Posts 

20090505, 17:09  #9  
"Frank <^>"
Dec 2004
CDP Janesville
2×1,049 Posts 
That was ~12 hours of searching. The "c5" value being searched when I stopped it was >1,500,000, so it had been a while since it had found that poly....
Quote:
Last fiddled with by schickel on 20090505 at 17:14 Reason: Numbers, numbers, too many numbers! 

20090505, 17:31  #10  
Oct 2004
Austria
9A7_{16} Posts 
Quote:


20090505, 17:48  #11 
Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
2^{2}×1,433 Posts 
are you doing more?
30004000 is in progress on my machine edit: just noticed it says 47 hours it is pointless spending that long more i am stopping Last fiddled with by henryzz on 20090505 at 17:56 
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