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Forum: Cunningham Tables 2020-03-27, 18:45
Replies: 110
Views: 7,760
Posted By VBCurtis
Using CADO's ETA as metric, we're 65% faster with...

Using CADO's ETA as metric, we're 65% faster with A=31 than A=32. ETA for 600M relations (CADO default, I didn't set it) is now 12 months rather than 20.

Using the 'top' CPU time versus # of...
Forum: Cunningham Tables 2020-03-27, 04:10
Replies: 110
Views: 7,760
Posted By VBCurtis
I don't know about runtime- we will find out...

I don't know about runtime- we will find out tonight!
I'll time a couple of my own workunits, then time the new batch. sec/rel should fall a tiny bit, so I expect WU time to drop by a bit more than...
Forum: Riesel Prime Search 2020-03-27, 01:52
Replies: 326
Views: 26,768
Posted By VBCurtis
Under 10000 = sieve file already generated. No...

Under 10000 = sieve file already generated. No work needs to be done.
Over 10000, by 151 or 1 or any other number = work needed to make a sieve file.
"Not too bad" has nothing to do with it. ...
Forum: Cunningham Tables 2020-03-26, 17:34
Replies: 110
Views: 7,760
Posted By VBCurtis
We will reach Q=11M later today; sometime around...

We will reach Q=11M later today; sometime around that mark I will restart the server with I=16 (that is, A=31 rather than A=32). This will cut memory use in half, from 18GB to 9GB; it will also cut...
Forum: Riesel Prime Search 2020-03-26, 15:56
Replies: 326
Views: 26,768
Posted By VBCurtis
There's quite a penalty for going above 10,000-...

There's quite a penalty for going above 10,000- you have to sieve yourself, and you can't get anywhere near the sieve depth of the primegrid files. You should estimate the size of the penalty...
Forum: Hardware 2020-03-26, 02:25
Replies: 799
Views: 105,585
Posted By VBCurtis
I think he was referring to the Ryzen? Edit:...

I think he was referring to the Ryzen?
Edit: 70MB L3, if my search result is to be believed.
Forum: Cunningham Tables 2020-03-23, 00:37
Replies: 110
Views: 7,760
Posted By VBCurtis
Seems it was a simple internet outage; I didn't...

Seems it was a simple internet outage; I didn't touch the server nor CADO, but have since reconnected and found CADO running normally.
Forum: Cunningham Tables 2020-03-22, 15:23
Replies: 110
Views: 7,760
Posted By VBCurtis
I've lost access from home, name no longer...

I've lost access from home, name no longer resolves. I'll try again later today, but we may be dark a while.
Forum: enzocreti 2020-03-21, 23:00
Replies: 6
Views: 232
Posted By VBCurtis
Take an algebra class. Learn how to answer your...

Take an algebra class. Learn how to answer your own questions.
Even wikipedia articles would give you sufficient tools to answer your curiosities.
Forum: PrimeNet 2020-03-21, 04:59
Replies: 50
Views: 3,272
Posted By VBCurtis
I don't contribute to the mersenne hunt myself,...

I don't contribute to the mersenne hunt myself, but this is the first time I've agreed with this sentiment.
Forum: Cunningham Tables 2020-03-20, 17:17
Replies: 110
Views: 7,760
Posted By VBCurtis
I agree that it depends on Greg's plans. I don't...

I agree that it depends on Greg's plans. I don't see a compelling reason to change to A=31 at 10M specifically until we see what our max-Q is.
Then again, we've put a month into this and only...
Forum: Conjectures 'R Us 2020-03-19, 14:51
Replies: 118
Views: 11,358
Posted By VBCurtis
Whoops! "I'm going to stop" doesn't mean "I...

Whoops! "I'm going to stop" doesn't mean "I stopped". Whew, I'm glad you noticed my mistake, and also glad you found another prime!
Forum: Conjectures 'R Us 2020-03-19, 05:09
Replies: 1,037
Views: 59,033
Posted By VBCurtis
Attached are primes for k=60-63G from 25k to...

Attached are primes for k=60-63G from 25k to ~50k. 60-61G is already complete to 54k; I left those in the primes-found file.

there is one oddity in the files: For 61-63G, 45-50k ran in a...
Forum: Conjectures 'R Us 2020-03-19, 04:48
Replies: 118
Views: 11,358
Posted By VBCurtis
R2020 finally made it to 50k on my end, 70k...

R2020 finally made it to 50k on my end, 70k including unconnected's work.
Primes from 40k-50k:
1968 46193
1035 47247
1968 48526 (bummer, repeat)
There were 38 k's left at 40k. I took out two,...
Forum: Information & Answers 2020-03-19, 00:25
Replies: 12
Views: 667
Posted By VBCurtis
If you're running it on a laptop, the answer...

If you're running it on a laptop, the answer depends heavily on the design of the laptop's cooling system. This is generally not a great idea, but well-designed laptops can handle it just fine.
...
Forum: Lounge 2020-03-18, 18:44
Replies: 398
Views: 13,691
Posted By VBCurtis
Reflects the US finally getting going with...

Reflects the US finally getting going with widespread testing... I hope?
If so, is that a subset of "blip"?
Forum: Aliquot Sequences 2020-03-17, 22:31
Replies: 247
Views: 9,509
Posted By VBCurtis
Courses at my university are online-only the rest...

Courses at my university are online-only the rest of the school year. This week is finals- writing online finals has been a bit of a challenge, but they're written. Most University of CA campuses...
Forum: Aliquot Sequences 2020-03-17, 17:18
Replies: 247
Views: 9,509
Posted By VBCurtis
13^26, 13^28, 13^32 are released at 130+ digits...

13^26, 13^28, 13^32 are released at 130+ digits each.
Working on 13^34 and 13^36 now. Planning to work pairs of sequences for a while.
Forum: Cunningham Tables 2020-03-15, 02:35
Replies: 110
Views: 7,760
Posted By VBCurtis
CADO had indeed failed. I did the usual...

CADO had indeed failed. I did the usual login/kill server/restart server, and it is again sending & accepting workunits.

Seems the usual software failure, rather than physical issue.

Greg is...
Forum: Cunningham Tables 2020-03-14, 21:16
Replies: 110
Views: 7,760
Posted By VBCurtis
Good news: we have collected over 15M relations...

Good news: we have collected over 15M relations (edit: Q from 5M to 8.1M) using CADO for this factorization. I finally got my main desktop repaired, so I added 10 Haswell threads to the task as of...
Forum: Riesel Prime Search 2020-03-13, 17:01
Replies: 983
Views: 81,461
Posted By VBCurtis
k=197 released to Kuratkull, who will now have...

k=197 released to Kuratkull, who will now have 193-195-197 all reserved.

kuratkull- if/when I locate results from 3000k-3020k, I'll post them to this thread for you.
Forum: Riesel Prime Search 2020-03-13, 16:20
Replies: 455
Views: 35,694
Posted By VBCurtis
If you'd like to also run k=197, please let me...

If you'd like to also run k=197, please let me know. I have had it reserved for years, but I have more k's than I need anymore and letting a new person have a go for a while is a nice way to trim my...
Forum: Riesel Prime Search 2020-03-13, 16:01
Replies: 983
Views: 81,461
Posted By VBCurtis
Wow, looks like I have some k's not updated in...

Wow, looks like I have some k's not updated in years. Here's a full update:
k=13 4.4M active on 2 cores
k=45 3.65M active on 2 cores
k=93 2.63M active on 1 core
k=99 2.6M reserved
k=109 4M...
Forum: Aliquot Sequences 2020-03-13, 15:34
Replies: 247
Views: 9,509
Posted By VBCurtis
I finally got my home desktop fixed, and am ready...

I finally got my home desktop fixed, and am ready to do more work on this project.
I'll take the rest of base 13 up to 120 digits. Please mark 32,34,36 reserved for me; when I finish those I'll...
Forum: Msieve 2020-03-12, 23:36
Replies: 13
Views: 1,426
Posted By VBCurtis
Machine: Xeon 2680v3 Haswell generation...

Machine: Xeon 2680v3 Haswell generation 12x2.5ghz, 48GB memory on 4 channels DDR4 (4x4GB+4x8GB).

VBITS=128 on otherwise idle machine. ETA after 1% of job:
6-threaded 14hr 34 min
12-threads 8 hr...
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