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Forum: Miscellaneous Math 2020-11-27, 03:29
Replies: 7
Views: 59
Posted By axn
To prove a prime, you don't need to know all the...

To prove a prime, you don't need to know all the factors of N+1 or N-1. You only need 33% factorization. That means factordb should contain large numbers proven by N+1/N-1/combined methods which...
Forum: Wagstaff PRP Search 2020-11-25, 05:38
Replies: 406
Views: 44,305
Posted By axn
190k-191k

2^190031+1 = 48077710933058669722529
2^190093+1 = 55135981143431058671257
2^190121+1 = 38477336342052106777
2^190147+1 = 7832399627127774994007131
2^190271+1 = 96566573425033830294859
2^190297+1...
Forum: Data 2020-11-24, 06:27
Replies: 219
Views: 29,099
Posted By axn
3.6M done

After about 6 months of deep P-1 and one month of TF, 3.6M range is done. There is still about two weeks of P-1 left to bring the entire range to a logical closure, so may be another 10 factors...
Forum: Factoring 2020-11-23, 16:32
Replies: 9
Views: 393
Posted By axn
Something's lost in translation. Rather than...

Something's lost in translation. Rather than explain why you've misunderstood that (oddly phrased) statement, can you explain to us why you think that is not always the case?
Forum: Software 2020-11-23, 16:27
Replies: 35
Views: 4,703
Posted By axn
You can start a command using taskset, not just...

You can start a command using taskset, not just set the affinity of existing process.
Forum: GMP-ECM 2020-11-23, 09:29
Replies: 5
Views: 231
Posted By axn
Brent-Suyama. Very much a lottery.

Brent-Suyama. Very much a lottery.
Forum: Information & Answers 2020-11-21, 16:05
Replies: 27
Views: 886
Posted By axn
:tu:

:tu:
Forum: Information & Answers 2020-11-21, 05:53
Replies: 27
Views: 886
Posted By axn
You must size your PSU to handle peak. Please...

You must size your PSU to handle peak. Please upgrade to at least 700 W PSU.
Forum: Information & Answers 2020-11-21, 05:52
Replies: 27
Views: 886
Posted By axn
This is also consistent with cooling issue. If...

This is also consistent with cooling issue. If issue is with PSU, that would result in system instability / crashes. This looks more like CPU is throttling down due to heat.

watch "grep 'cpu MHz'...
Forum: Hardware 2020-11-21, 04:04
Replies: 49
Views: 2,049
Posted By axn
Radeon VII is not the same as Radeon Pro VII. The...

Radeon VII is not the same as Radeon Pro VII. The former was marketed as gaming card (LOL). The latter is workstation -- I don't think that one is meant to be a limited run.

CDNA, by definition,...
Forum: Science & Technology 2020-11-21, 02:54
Replies: 38
Views: 744
Posted By axn
Way to contradict yourself in a single sentence!

Way to contradict yourself in a single sentence!
Forum: NFS@Home 2020-11-19, 17:02
Replies: 23
Views: 1,211
Posted By axn
# 131^106+106^131, difficulty: 267.34 #...

# 131^106+106^131, difficulty: 267.34
# 131^106+106^131, difficulty: 269.37

I don't get this part. IIUC, for getting the sextic, the number had to be multiplied by 131^2*106, whereas for the...
Forum: NFS@Home 2020-11-19, 16:42
Replies: 23
Views: 1,211
Posted By axn
Did you try algebraic or rational side for...

Did you try algebraic or rational side for sextic? If the latter, former might be worth a try.

EDIT:- Nevermind. The sextic is just ugly.
Forum: Hardware 2020-11-19, 06:47
Replies: 121
Views: 6,211
Posted By axn
https://askubuntu.com/questions/477821/how-can-i-p...

https://askubuntu.com/questions/477821/how-can-i-permanently-remove-the-boot-option-quiet-splash

EDIT:- Obviously you need to boot first to do this :-(
Forum: mersenne.ca 2020-11-17, 15:24
Replies: 56
Views: 1,793
Posted By axn
Did you try in incognito mode? Sometimes does...

Did you try in incognito mode? Sometimes does wonders to these type of "sticky" problems.
Forum: Msieve 2020-11-17, 15:19
Replies: 30
Views: 6,993
Posted By axn
Is it possible that the 8GB modules in 3950 are...

Is it possible that the 8GB modules in 3950 are single rank vs 16GB in 5600X are dual ranks? Try swapping the RAM between the systems
Forum: Information & Answers 2020-11-17, 12:36
Replies: 27
Views: 886
Posted By axn
Can you post your prime.txt & local.txt from both...

Can you post your prime.txt & local.txt from both machines? I'm just wondering if there are any wrong affinity settings.

If not, it could be thermal issues - especially since the 2690 is showing...
Forum: mersenne.ca 2020-11-17, 08:52
Replies: 56
Views: 1,793
Posted By axn
Non-authoritative answer: Name: mersenne.ca ...

Non-authoritative answer:
Name: mersenne.ca
Address: 198.251.72.75
Forum: Information & Answers 2020-11-17, 08:25
Replies: 27
Views: 886
Posted By axn
The problem is that the supposedly-slower 2620 is...

The problem is that the supposedly-slower 2620 is the one with the better timing.

To OP: What is your memory config (speed / size / # of sticks)? What is your P95 worker settings?
Forum: Wagstaff PRP Search 2020-11-16, 18:05
Replies: 406
Views: 44,305
Posted By axn
189k-190k

2^189011+1 = 2507085911135037069449033
2^189017+1 = 91509819679994113
2^189067+1 = 518379693187305883
2^189127+1 = 172362306382997453347
2^189127+1 = 235186328400822452963
2^189139+1 =...
Forum: mersenne.ca 2020-11-16, 05:42
Replies: 56
Views: 1,793
Posted By axn
The site now renders. GIMPS Progress...

The site now renders. GIMPS Progress Visualization looks like needs to be generated for the first time in new server; presumably after the last couple of days' data is ingested, it will get generated.
Forum: mersenne.ca 2020-11-15, 09:08
Replies: 56
Views: 1,793
Posted By axn
:sleep::nick:

:sleep::nick:
Forum: mersenne.ca 2020-11-15, 08:20
Replies: 56
Views: 1,793
Posted By axn
I take it, the hard part (manual db dump) is...

I take it, the hard part (manual db dump) is complete?
Forum: mersenne.ca 2020-11-15, 04:11
Replies: 56
Views: 1,793
Posted By axn
Is it possible to directly dump the backups into...

Is it possible to directly dump the backups into the new server (via shared folder)?
Forum: Msieve 2020-11-14, 02:56
Replies: 46
Views: 1,998
Posted By axn
Colab cheat sheet: Model: 63 ==> Haswell ...

Colab cheat sheet:
Model: 63 ==> Haswell
Model: 79 ==> Broadwell
Model: 85 ==> Skylake
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