Linear algebra reservations, progress and results - Page 50

unconnected · 2015-12-29, 12:00

W_749 factored: 5.5M matrix on Dual Xeon E5-2620, 12.5 hours with MPI version on msieve. Thanks frmky and fivemack for their suggestions. Fastest non-MPI run (taskset -c 0-11 msieve -t 12) was slightly over 14 hours. Log attached.

Code:

prp102 factor: 670910310736076688449761796815133467227494362392130282166565669537058628904634713015865313661187472759
prp108 factor: 201731657233307602088738082846062984847856959150903458646930776241969933873976830711927888142905602484980759

RichD · 2015-12-29, 14:40

I'll take GC_3_475 next.

Xyzzy · 2015-12-29, 15:01

Code:

p101 factor: 18143578957112903024219208128943064170091130559885591410019364935058555931716545645750762965103877397
p111 factor: 844005220452601906434351028899191443018391831514749834501830373919894736659932478555984863889143657410223972729

xilman · 2015-12-29, 15:25

Quote:

Originally Posted by unconnected

W_749 factored: 5.5M matrix on Dual Xeon E5-2620, 12.5 hours with MPI version on msieve. Thanks frmky and fivemack for their suggestions. Fastest non-MPI run (taskset -c 0-11 msieve -t 12) was slightly over 14 hours. Log attached.

Code:

prp102 factor: 670910310736076688449761796815133467227494362392130282166565669537058628904634713015865313661187472759
prp108 factor: 201731657233307602088738082846062984847856959150903458646930776241969933873976830711927888142905602484980759

Quote:

Originally Posted by Xyzzy

Code:

p101 factor: 18143578957112903024219208128943064170091130559885591410019364935058555931716545645750762965103877397
p111 factor: 844005220452601906434351028899191443018391831514749834501830373919894736659932478555984863889143657410223972729

Thanks guys, good work!

unconnected: could you let me have your real name please, so that I can give you the correct credit?

Paul

RichD · 2015-12-30, 15:54

I'll take GW_3_476 next.

RichD · 2015-12-31, 02:47

About 25.5 hours after a slow start waiting for a previous job to finish up.
6.3M matrix on a Core-i5, -t 4 using target_density=120 (TD=124 failed).

Code:

p62 factor: 31700911063543846311835857974996310875211036872405494096345661
p62 factor: 51448853387154689366548847554909900838196345380386288956173021
p66 factor: 407764078437614725139759836851855958207251556603307029664461313309

debrouxl · 2015-12-31, 11:20

Paul: unconnected is Dmitry Domanov.
See also http://escatter11.fullerton.edu/nfs/crunching.php

xilman · 2015-12-31, 12:09

Quote:

Originally Posted by debrouxl

Paul: unconnected is Dmitry Domanov.
See also http://escatter11.fullerton.edu/nfs/crunching.php

Thanks. Dmitry himself PMed me.

Paul

RichD · 2015-12-31, 15:53

I'll take GW_4_375 next.

fivemack · 2015-12-31, 16:07

GC_4_376 now running

RichD · 2015-12-31, 23:28

36 hours on a slightly loaded Core-i5 (3570K) to solve a 6.5M matrix, -t 4 with target_density=120.

Code:

prp56 factor: 14635096559014854486553588561174243514764686911567877449
prp118 factor: 6164493023046673332418532316660557611905060788835161610151276347203162809399665371849604331478161694487871020569852753

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2015-12-29, 14:40	#541
RichD Sep 2008 Kansas 110101000000₂ Posts	I'll take GC_3_475 next.

2015-12-30, 15:54	#544
RichD Sep 2008 Kansas 2⁶×53 Posts	I'll take GW_3_476 next.

2015-12-31, 11:20	#546
debrouxl Sep 2009 977 Posts	Paul: unconnected is Dmitry Domanov. See also http://escatter11.fullerton.edu/nfs/crunching.php

2015-12-31, 15:53	#548
RichD Sep 2008 Kansas 2⁶×53 Posts	I'll take GW_4_375 next.

2015-12-31, 16:07	#549
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³×11×73 Posts	GC_4_376 now running