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Search: Posts Made By: kriesel
Forum: Marin's Mersenne-aries 2022-08-12, 14:29
Replies: 16
Views: 2,367
Posted By kriesel
Yes; arpcar has had the assignment since November...

Yes; arpcar has had the assignment since November 2020, nearly 2 years, with zero progress reported.
Forum: Msieve 2022-08-10, 18:42
Replies: 93
Views: 386
Posted By kriesel
It's important to exercise the brain as well as...

It's important to exercise the brain as well as the body. My grandmother used to do the daily newspaper's crossword puzzles. Learning and using GIMPS tools works for me. And the price is right....
Forum: Hardware 2022-08-10, 16:11
Replies: 4
Views: 227
Posted By kriesel
From DuckDuckGo re gpu power measure in Linux cmd...

From DuckDuckGo re gpu power measure in Linux cmd line:
nvtop? (unless it also depends on nvml) #6 at...
Forum: Hardware 2022-08-09, 23:44
Replies: 4
Views: 227
Posted By kriesel
Lowest efficiency I've seen so far: GPUs: ...

Lowest efficiency I've seen so far:
GPUs:
rx550's 10281 us/iter and 27.6 watts corresponds to a much higher 283,755.6 uJoule/iter
gtx1080 12700 us/iter * (62M/230M)^1.1 * 122watts = est 366,348....
Forum: Hardware 2022-08-09, 22:38
Replies: 4
Views: 227
Posted By kriesel
Microjoules/iteration at 3.25M fft DC

Measuring wattage by GPU-Z for GPUs (board power), or HWMonitor for CPUs (package power), the best power performance I've seen for 3.25M fft PRP (just sampling some hardware here) are:

For CPUs,...
Forum: Operazione Doppi Mersennes 2022-08-09, 12:57
Replies: 502
Sticky: Reservations
Views: 79,997
Posted By kriesel
MMFactor=127,170e15,175e15

MMFactor=127,170e15,175e15
Forum: Marin's Mersenne-aries 2022-08-09, 12:38
Replies: 16
Views: 2,367
Posted By kriesel
Go for it. There's very little activity in...

Go for it. There's very little activity in 100Mdigit currently, judging by a recent review of https://www.mersenne.org/report_recent_results/ (27 TF, 1 P-1, 0 primality tests reported)


I've...
Forum: Software 2022-08-09, 11:53
Replies: 49
Views: 2,985
Posted By kriesel
George already has posted both Windows and Linux...

George already has posted both Windows and Linux builds
at https://mersenneforum.org/showpost.php?p=608894&postcount=10 in this thread, and pointed to by both...
Forum: Lounge 2022-08-08, 23:22
Replies: 1,973
RIP
Views: 236,494
Posted By kriesel
https://www.dailywire.com/news/magnum-p-i-actor-ro...

https://www.dailywire.com/news/magnum-p-i-actor-roger-e-mosley-dead-at-83
‘Magnum, P.I.’ Actor Roger E. Mosley Dead At 83.
Forum: Hobbies 2022-08-08, 19:23
Replies: 49
Views: 4,258
Posted By kriesel
For the honey locust shoots, it's unclear which...

For the honey locust shoots, it's unclear which are coming from the flush cut stump root system and which are from the pruned tree that remains. Grinding all the root system out is not feasible since...
Forum: kriesel 2022-08-08, 15:39
Replies: 88
Views: 30,040
Posted By kriesel
In reference to...

In reference to https://mersenneforum.org/showpost.php?p=610925&postcount=10,174775 / 336180 ~0.5199 Please post the Pari script or PM it. Thanks for the effort to check the ballpark estimate. I...
Forum: Hobbies 2022-08-08, 15:23
Replies: 49
Views: 4,258
Posted By kriesel
What's an asparagus picker? Have you tried a...

What's an asparagus picker? Have you tried a posthole digger (https://www.lowes.com/pd/CRAFTSMAN-9-in-Fiberglass-Handle-Post-Hole-Digger/1000752636), which would increase your effective reach if the...
Forum: Software 2022-08-08, 15:01
Replies: 7
Views: 215
Posted By kriesel
For background and perhaps starting the learning...

For background and perhaps starting the learning curve before P+1 is perhaps improved someday, there is https://mersenneforum.org/showthread.php?t=26750 and bits of...
Forum: kriesel 2022-08-07, 17:48
Replies: 9
Views: 3,188
Posted By kriesel
Near-palindromic exponents

Near palindromes differ by one character from a palindrome. These will be more numerous than palindrome exponents. All the following concerns base-ten exponent representations.

Consider an...
Forum: kriesel 2022-08-07, 17:06
Replies: 32
Views: 31,040
Posted By kriesel
Loss of periodic console output, logging to gpuowl.log, and Jacobi checks

The issue was observed on Windows 10, a Radeon VII GPU, and gpuowl v6.11-380-g79ea0cc.

If you're only interested in how to resolve the issue, skip to the last full paragraph, which precedes the...
Forum: Marin's Mersenne-aries 2022-08-07, 14:31
Replies: 41
Views: 4,407
Posted By kriesel
Combined list update: Predict Mxx lacking...

Combined list update: Predict Mxx lacking completed DC, and dubious claims lacking completed DC, but within range of feasible P-1 factoring, yields 3 uncompleted exponents (for now). Current status...
Forum: Marin's Mersenne-aries 2022-08-05, 18:14
Replies: 15
Views: 73,745
Posted By kriesel
Normally, yes, PRP=1,2,333044087...

Normally, yes, PRP=1,2,333044087 (https://www.mersenne.org/report_exponent/?exp_lo=333044087&full=1),-1 would be the way to go, not doublecheck.
But this is part of the small sample of 100Mdigit...
Forum: Marin's Mersenne-aries 2022-08-05, 17:59
Replies: 16
Views: 2,367
Posted By kriesel
DoubleCheck=332196607...

DoubleCheck=332196607 (https://www.mersenne.org/report_exponent/?exp_lo=332196607&full=1),81,1 assigned ll 2021-02-13, last update 2021-02-13, zero progress
DoubleCheck=332209313...
Forum: PrimeNet 2022-08-04, 16:41
Replies: 3
Views: 279
Posted By kriesel
(Seconding) LL first tests are more likely...

(Seconding)

LL first tests are more likely to be in error than PRP with GEC. So DC of those early would be good.

DC by PRP with proof generation (of PRP or LL first test) is the preferred...
Forum: Marin's Mersenne-aries 2022-08-04, 14:03
Replies: 804
Views: 143,922
Posted By kriesel
Taken: DoubleCheck=74175287...

Taken:
DoubleCheck=74175287 (https://www.mersenne.org/report_exponent/?exp_lo=74175287&full=1),75,1
Forum: Soap Box 2022-08-04, 13:38
Replies: 390
Views: 19,710
Posted By kriesel
In JFK's day, "made in the USA" still dominated....

In JFK's day, "made in the USA" still dominated. Now it's mostly "made in China". Imagine the supply chain issues that would ensue promptly upon the onset of combat over Taiwan....
Forum: GpuOwl 2022-08-04, 00:48
Replies: 2,780
Views: 395,745
Posted By kriesel
Windows 11 Task Manager sees mfaktc activity on a...

Windows 11 Task Manager sees mfaktc activity on a GPU, but not gpuowl on the same GPU at the same time.
The attached image shows mfaktc running on a GTX 1050Ti, 3d at 100%. It drops to 90% as does...
Forum: NFS@Home 2022-08-03, 15:22
Replies: 3
Views: 134
Posted By kriesel
No idea if linear algebra has been attempted...

No idea if linear algebra has been attempted before on Google Colab.

But if its state, logs & code fit in 15GiB, storing checkpoint data could be done on free Google Drive. If more space is...
Forum: Marin's Mersenne-aries 2022-08-03, 05:50
Replies: 804
Views: 143,922
Posted By kriesel
Taken: ...

Taken:
CERT=0000000000000000000000002714F8AB,1,2,655685803 (https://www.mersenne.org/report_exponent/?exp_lo=655685803&full=1),-1,640319
CERT=000000000000000000000000292090BD,1,2,690000061...
Forum: GpuOwl 2022-07-31, 18:18
Replies: 2,780
Views: 395,745
Posted By kriesel
I conclude based on the following attachment from...

I conclude based on the following attachment from a Windows 10 system with an IGP as primary graphics, and 3 discrete GPUs each running full out per GPU-Z, that Win10 Task Manager does not show...
Showing results 1 to 25 of 1000

 
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