Fast Breeding (guru management) - Page 208

jyb · 2020-01-27, 19:38

QUEUED AS 12p7_236

SNFS-254.69 C198 HCN (12+7,236), ECM to t56+. For 14e.

Code:

n: 372537260834831926040622429634162528573739068630804420953767455026327718084389104020866794496716945976872249176644116632880381673773193337449327860697746455687141565247508799660278209860632446988457
# 12^236+7^236, difficulty: 254.69, skewness: 0.84, alpha: 0.00
skew: 0.836
c6: 144
c0: 49
Y1: -909543680129861140820205019889143
Y0: 1224809639974238708818962962512535510581248
rlim: 268000000
alim: 268000000
lpbr: 32
lpba: 32
mfbr: 64
mfba: 64
rlambda: 2.6
alambda: 2.6

Trial sieving 2K blocks.

Code:

 Q		Yield
---		-----
20M		4675
60M		3771
100M		3612
140M		3077
180M		2490
220M		2842
260M		2919
300M		2605

Recommend sieving special Q on rational side, 20M - 310M.

RichD · 2020-01-28, 14:14

QUEUED AS 783__211_5m1

C173 from the OPN t800 file.
[ a.k.a. Phi_5(Phi_3(Phi_3(Phi_5(Phi_13(31)/42407/7908881)/31/264581/1080091))/3)/5/41/61/309121/p18 ]
P50^5-1

Code:

n: 87307784153956753170870217440784786416425367708403799451511107219828670778286464676612884737113746093756359402943183559114521734914391930363920070382408667056021591471809481
# 78319330468586955949650403084281852778744337265211^5-1, difficulty: 199.58, skewness: 1.00, alpha: 1.45
# cost: 1.35979e+17, est. time: 64.75 GHz days (not accurate yet!)
skew: 1.000
c4: 1
c3: 1
c2: 1
c1: 1
c0: 1
Y1: -1
Y0: 78319330468586955949650403084281852778744337265211
type: snfs
rlim: 16700000
alim: 16700000
lpbr: 29
lpba: 29
mfbr: 85
mfba: 58
rlambda: 3.5
alambda: 2.5

Trial sieving 5K blocks.

Code:

unconnected · 2020-01-28, 21:57

Quote:

Originally Posted by VBCurtis

This C160 might make a nice benchmark dataset (per my side-chat with xyzzy). Could you please post matrix size as soon as you have it? If it's 6-7M, I think Mike (and I) may grab the dataset.

Matrix size is only 4.6M at density=130.
If you interesting, I have another C162 for queue, it might gave matrix of appropriate size.

VBCurtis · 2020-01-28, 23:25

Let's use it; that's big enough to give a useful measure of multi-threaded speed, and at 30LP small enough for the dataset to be reasonable to download.

If the nfs@home folks could put off deleting this job for a week or so, I'd like to download the dataset; ideally that'll give xyzzy time to do the same.

I say this because a C162 should, in my experience, be solidly into 31LP size; seems I simply forgot what matrix size one should expect from a 30LP job.

Xyzzy · 2020-01-29, 12:39

We will arrange to have this job put into our shared Dropbox folder.

jyb · 2020-01-29, 20:19

QUEUED AS 12p5_236

SNFS-255.29 C235 HCN (12+5,236), ECM to t56+. For 14e.

Code:

n: 2117838480846978573020158580848740161668061656741588703897845311444287155275153881477129191294971496283853024531148064123198830786639923802211614917225611730989033720312632634767542930661835972553882798737193556742594008582956754216849
# 12^236+5^236, difficulty: 255.29, skewness: 1.49, alpha: 0.00
skew: 1.494
c6: 9
c0: 100
Y1: -1818989403545856475830078125
Y0: 2449619279948477417637925925025071021162496
rlim: 268000000
alim: 268000000
lpbr: 32
lpba: 32
mfbr: 64
mfba: 64
rlambda: 2.6
alambda: 2.6

Trial sieving 2K blocks.

Code:

 Q		Yield
---		-----
20M		5042
60M		4148
100M		3977
140M		3315
180M		3036
220M		3192
260M		3344
300M		2921

Recommend sieving special Q on rational side, 20M - 280M.

VBCurtis · 2020-01-29, 21:56

Quote:

Originally Posted by Xyzzy

We will arrange to have this job put into our shared Dropbox folder.

I've downloaded my copy, and got the matrix to build at TD134 (4569240 cycles / dimensions). Sometime this week I'll start a new thread in msieve forum with comparisons of different msieve versions I have lying around (e.g. VBITS use), various target densities, CPU arch's, etc.

pinhodecarlos · 2020-01-30, 11:41

What’s the number tag so I can download it from the server, TIA.

VBCurtis · 2020-01-30, 15:32

Quote:

Originally Posted by pinhodecarlos

What’s the number tag so I can download it from the server, TIA.

C160_159978_10356_2

pinhodecarlos · 2020-01-30, 20:10

Quote:

Originally Posted by VBCurtis

C160_159978_10356_2

Thank you. Backup on my side.

Xyzzy · 2020-01-30, 20:46

Quote:

Originally Posted by VBCurtis

I've downloaded my copy, and got the matrix to build at TD134 (4569240 cycles / dimensions). Sometime this week I'll start a new thread in msieve forum with comparisons of different msieve versions I have lying around (e.g. VBITS use), various target densities, CPU arch's, etc.

We have our copy downloaded, processed and compressed. It will take a few days to upload it to Dropbox.

-rwxrwxrwx 1 m m 5444893112 Jan 30 14:16 benchmark.tar.gz

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2020-01-28, 23:25	#2281
VBCurtis "Curtis" Feb 2005 Riverside, CA 4873₁₀ Posts	Let's use it; that's big enough to give a useful measure of multi-threaded speed, and at 30LP small enough for the dataset to be reasonable to download. If the nfs@home folks could put off deleting this job for a week or so, I'd like to download the dataset; ideally that'll give xyzzy time to do the same. I say this because a C162 should, in my experience, be solidly into 31LP size; seems I simply forgot what matrix size one should expect from a 30LP job.

2020-01-29, 12:39	#2282
Xyzzy "Mike" Aug 2002 5·17·97 Posts	We will arrange to have this job put into our shared Dropbox folder.

2020-01-30, 11:41	#2285
pinhodecarlos "Carlos Pinho" Oct 2011 Milton Keynes, UK 3·17·97 Posts	What’s the number tag so I can download it from the server, TIA.