Planning & Coordination for 2,2330L - Page 7

Max0526 · 2019-04-23, 01:07

Quote:

Originally Posted by vebis

Code:

n: 334377437706404684733884220732190564550147039308686365251932207592010868660163280944362994773042289837865752943086095333357861608005044927356022538834108845220872215597190097852981295940487497385774178731621
skew: 175281707.18300
c0: 8927615796337795909706360434154979487944027812870
c1: 249426878913680820299934039511380732178383
c2: -1269993042201960025915734295984162
c3: -44702903780233907372762163
c4: 43380588291919832
c5: 199837440
Y0: -6688519829695165238165832445322722085046
Y1: 3276459567865397949373
# E = 1.51187373e-15
# found by revision 9436c2ff8

My best 5th degree poly. Default c210.poly of cado-nfs, but with degree 5 as parameters for the search. You can find the other polys in the attachment.

After quick spin:

Code:

Y0: -6688519829661524320611157186493452782466
Y1: 3276459567865397949373
c0: 10150255349487848986327884960478295954754172944336
c1: 751178866339945231581983266670795671602006
c2: -2617346544031468891628645984244115
c3: -42710599862222261340655283
c4: 53639702900431832
c5: 199837440
skew: 238399278.77545
# lognorm 65.73, E 57.61, alpha -8.12 (proj -2.10), 5 real roots
# MurphyE(Bf=1.000e+07,Bg=5.000e+06,area=1.000e+16) = 1.56404983e-15

Max0526 · 2019-04-23, 01:42

One from msieve:

Code:

Y0: -6688519829657254854612680118791369459237
Y1: 3276459567865397949373
c0: 11124557649141638287497349870157173511550845137560
c1: 744140589032184400427802498397744290679671
c2: -2783760729827535722465069765140924
c3: -42427620829692875661798739
c4: 54941716762697432
c5: 199837440
skew: 245238821.54
# size 2.120e-20, alpha -8.122, combined = 1.564e-15 rroots = 5

and a close one with a different c5 and a twice smaller skew:

Code:

Y0: -3344259914828613943036988509350424085037
Y1: 3276459567865397949373
c0: 2782670620427073069141726308000627148112128457040
c1: 372047377069919968063751401348785372708147
c2: -2784808372733971727676263014966939
c3: -84851623586443183945578342
c4: 219799764290162528
c5: 1598699520
skew: 122535930.78
# size 2.120e-20, alpha -8.122, combined = 1.553e-15 rroots = 5

Max0526 · 2019-04-24, 02:14

Holy CADO!

Code:

Y0: -3344259914646894706578948921973646404181
Y1: 3276459567865397949373
c0: 5416436577370906889161397858246047382376175128084
c1: 68908980056854779730515507981243880246554
c2: -5059415210235440252853090235573898
c3: 6543618704534027090845261
c4: 331567851856594864
c5: 799349760
skew: 129142992.57288
# lognorm 65.88, E 57.81, alpha -8.07 (proj -2.10), 5 real roots
# MurphyE(Bf=1.000e+07,Bg=5.000e+06,area=1.000e+16) = 1.76049553e-15

Max0526 · 2019-04-24, 02:28

Msieve gives

Code:

Y0: -3344259914713823149312228613540161536307
Y1: 3276459567865397949373
c0: 1896824213144568967875824364574362152688826702200
c1: 273189628700892626754687765718224698958990
c2: -4698438780054269648439830760170948
c3: -17212803891215490162818611
c4: 249926016320569264
c5: 799349760
skew: 134011710.14
# size 2.613e-20, alpha -8.066, combined = 1.763e-15 rroots = 5

VBCurtis · 2019-04-24, 02:40

Yea, that's more like it. I won't have time to give it a 16f test until Friday or Saturday; anyone else is welcome to try some tests of one of these 1.7's against the highest-scoring deg 6 posted previously.

I suspect this will be roughly 10% faster than the 1.94 deg 6, and that we're now below 50 core-years expected sieve time.

I still have plans for some CADO-poly searching, not sure when I'll have a free machine though.

Max0526 · 2019-04-24, 03:18

Code:

Y0: -6688519829440424841520306040680458355525
Y1: 3276459567865397949373
c0: 10770834084487939409532775922591961782924453195601
c1: 1165241285382807918846492058464312637320183
c2: -9184196030701401979559745801256357
c3: -19131883360193269395335507
c4: 121066071167254232
c5: 199837440
skew: 277497217.42
# size 2.327e-20, alpha -8.413, combined = 1.644e-15 rroots = 5

pinhodecarlos · 2019-04-26, 14:49

Installed Oracle VM, installed Ubuntu, running make on CADO.

- Configuring incomplete, errors occurred!
See also "/home/carlos/Documents/cado-nfs-2.3.0/build/carlos-VirtualBox/CMakeFiles/CMakeOutput.log".
make: *** [Makefile:7: all] Error 1
carlos@carlos-VirtualBox:~/Documents/cado-nfs-2.3.0$

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Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /usr/bin/c++ 
Build flags: -O2
Id flags: 

The output was:
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Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

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pinhodecarlos · 2019-04-26, 16:50

With Paul's support with a bunch of makes makes makes I've managed to factor a small composite with CADO-NFS

VBCurtis · 2019-04-26, 18:29

Excellent! I received a new 1TB SSD to install in the workstation that will host this job, and then I'll get a fresh git-install of CADO set up on the new disk. Hopefully by then, we'll have a couple more polynomials to test-sieve, and can get this job going in the first half of June.

Once I install and test a fresh CADO with my own machines as clients, I'll make the server IP/port available via PM for the rest of you to test connections/work/etc; expect that to be available in 3-4 weeks.

If we're lucky, fivemack will repeat some of his ncurves test-sieving on the C207 so we have more efficient settings when we do get started. I've been working on LP/MFB settings, with a few more combos to test before I proceed to trying to control lambda for better speed.

swellman · 2019-04-27, 00:12

Best found so far by me, but not all the good...

Code:

# norm 2.488156e-20 alpha -7.890344 e 1.452e-15 rroots 5
skew: 1736805652.63
c0: -173423111471333766590048943026832487355179143421836
c1: 1415516976190808816842401925208948595004644
c2: 12769624767693438551061374008227397
c3: -34473379332757970694179620
c4: -4275141392861450
c5: 69300
Y0: -21712045787504165813577182256588814440415
Y1: 2692494731612253319

Maybe it can be spun in a good direction?

LaurV · 2019-04-27, 04:44

Quote:

Originally Posted by R.D. Silverman

Perhaps the forum might want to do a poly search for the C210, C211, and C217?
If the forum provides polynomials perhaps Greg might queue them for lasievef?

[offtopic]
We salute Mr. Silverman coming back to this forum, and may celebrate by sieving a bunch of ranges for one of these numbers once a poly is available, if one teaches us what to type in the command line!

[/offtopic]

2019-04-26, 16:50	#74
pinhodecarlos "Carlos Pinho" Oct 2011 Milton Keynes, UK 3×17×97 Posts	With Paul's support with a bunch of makes makes makes I've managed to factor a small composite with CADO-NFS Last fiddled with by pinhodecarlos on 2019-04-26 at 16:50

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2019-04-24, 02:40	#71
VBCurtis "Curtis" Feb 2005 Riverside, CA 2⁸×19 Posts	Yea, that's more like it. I won't have time to give it a 16f test until Friday or Saturday; anyone else is welcome to try some tests of one of these 1.7's against the highest-scoring deg 6 posted previously. I suspect this will be roughly 10% faster than the 1.94 deg 6, and that we're now below 50 core-years expected sieve time. I still have plans for some CADO-poly searching, not sure when I'll have a free machine though.

2019-04-26, 18:29	#75
VBCurtis "Curtis" Feb 2005 Riverside, CA 2⁸·19 Posts	Excellent! I received a new 1TB SSD to install in the workstation that will host this job, and then I'll get a fresh git-install of CADO set up on the new disk. Hopefully by then, we'll have a couple more polynomials to test-sieve, and can get this job going in the first half of June. Once I install and test a fresh CADO with my own machines as clients, I'll make the server IP/port available via PM for the rest of you to test connections/work/etc; expect that to be available in 3-4 weeks. If we're lucky, fivemack will repeat some of his ncurves test-sieving on the C207 so we have more efficient settings when we do get started. I've been working on LP/MFB settings, with a few more combos to test before I proceed to trying to control lambda for better speed.