Linear algebra reservations, progress and results - Page 86

RichD · 2016-05-19, 09:55

23 hours to solve a 6.0M matrix on Core-i5, -t 4 using target_density=112 (TD=116 failed).

Code:

p61 factor: 1370147355811014398230066065266567503872403310355435724291207
p124 factor: 9724064875629504113547106276158428793325436549067130500903049503592786148911962044512226882365113820400361285775825504821247

jasonp · 2016-05-19, 13:20

Quote:

Originally Posted by RichD

14 hours to solve a 4.7M matrix on a Core-i5, -t 4 using target_density=116 (TD=120 failed).
(Interesting SQRT phase.)

Yes, it's a little unusual to find a degree-6 SNFS job that must take the slow path in the square root; most such jobs have degree 4. I think Serge found one that was degree 8, solving it sucked :)

RichD · 2016-05-20, 01:16

I'll take C185_131_51 & C187_126_65 next.

fivemack · 2016-05-20, 08:16

Taking C191_129_59 and 13_227_minus1

unconnected · 2016-05-20, 09:23

LA for C182_933436 just started. 16M matrix with ETA ~1 week.

pinhodecarlos · 2016-05-20, 10:38

Quote:

Originally Posted by unconnected

LA for C182_933436 just started. 16M matrix with ETA ~1 week.

How many cores? Are you using msieve MPI?

unconnected · 2016-05-20, 11:21

Quote:

Originally Posted by pinhodecarlos

How many cores? Are you using msieve MPI?

MPI on Dual Xeon E5-2620 (2x6cores, HT on).

pinhodecarlos · 2016-05-20, 11:29

Quote:

Originally Posted by unconnected

MPI on Dual Xeon E5-2620 (2x6cores, HT on).

Thank you. Why do you have HT on?

RichD · 2016-05-20, 18:42

14.5 hours to solve a 4.9M matrix on a Core-i5, -t 4 using target_density=120.

Code:

p92 factor: 71484527237293063097507376962834151488403521314830336495108515488241185643611179924537384943
p93 factor: 277054085787504446590610570138822521152869183775015036015464013829860346441939573187533417559

Taking C190_125_68.

RichD · 2016-05-21, 15:10

20 hours to solve a 5.9M matrix on Core-i5, -t 4 using target_density=120.

Code:

p90 factor: 810406676214506475247677124672360986478477658211372863130811366697935266195515047748382877
p97 factor: 6137692708701379913619130322836683344307775883786585354424778013126326743476265731895989528404679

Taking C191_138_62.

pinhodecarlos · 2016-05-22, 11:55

Taking C204_135_49.

2016-05-20, 08:16	#939
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 6424₁₀ Posts	Taking C191_129_59 and 13_227_minus1 Last fiddled with by fivemack on 2016-05-20 at 08:17

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
restarting nfs linear algebra	cubaq	YAFU	2	2017-04-02 11:35
Linear algebra at 600%	CRGreathouse	Msieve	8	2009-08-05 07:25
Linear algebra crashes	10metreh	Msieve	3	2009-02-02 08:34
Linear algebra proof	Damian	Math	8	2007-02-12 22:25
Linear algebra in MPQS	R1zZ1	Factoring	2	2007-02-02 06:45

2016-05-20, 01:16	#938
RichD Sep 2008 Kansas 2⁶·53 Posts	I'll take C185_131_51 & C187_126_65 next.

2016-05-20, 09:23	#940
unconnected May 2009 Russia, Moscow 2,593 Posts	LA for C182_933436 just started. 16M matrix with ETA ~1 week.

2016-05-22, 11:55	#946
pinhodecarlos "Carlos Pinho" Oct 2011 Milton Keynes, UK 3·17·97 Posts	Taking C204_135_49.