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Forum: Marin's Mersenne-aries 2022-12-06, 14:27
Replies: 48
Views: 15,438
Posted By kriesel
+40: ...

+40:
Pfactor=992F020DCA28A19E86ADB8BAB53CFC7D,1,2,102227821,-1,77,1
to
Pfactor=24B32A19CB28882ED6341ABD93E2A929,1,2,102295357,-1,78,1
Forum: Software 2022-12-05, 23:37
Replies: 785
Views: 83,614
Posted By kriesel
I've asked in late October...

I've asked in late October (https://mersenneforum.org/showpost.php?p=616316&postcount=757) for a logging worker window output to file capability to be available in prime95, at least for benchmarking...
Forum: Information & Answers 2022-12-05, 23:03
Replies: 61
Views: 6,120
Posted By kriesel
GIMPS is not an electrical device so that...

GIMPS is not an electrical device so that question is a non sequitur.
Electrical use will vary greatly depending on what computing hardware is used, to run what software, on what tasks, for how many...
Forum: Operazione Doppi Mersennes 2022-12-03, 14:53
Replies: 525
Sticky: Reservations
Views: 88,413
Posted By kriesel
MMFactor=127,265e15,270e15

MMFactor=127,265e15,270e15
Forum: Marin's Mersenne-aries 2022-12-03, 13:39
Replies: 958
Views: 159,460
Posted By kriesel
ETA ~3 d.

ETA ~3 d.
Forum: Information & Answers 2022-12-02, 20:11
Replies: 9
Views: 958
Posted By kriesel
Yes, but I would advise against that. Reducing...

Yes, but I would advise against that. Reducing its verbosity is also possible. Read undoc.txt. Also, we can increase the number of iterations between worker window updates, which would let both the...
Forum: Information & Answers 2022-12-02, 18:32
Replies: 9
Views: 958
Posted By kriesel
It's a count of that type of error, since the...

It's a count of that type of error, since the beginning of that primality test, until it maxes out the bit field used to store the count; then it becomes "at least x errors to this point on this...
Forum: Soap Box 2022-12-02, 12:43
Replies: 9
Views: 360
Posted By kriesel
Typically hydropower dams are arch dams with the...

Typically hydropower dams are arch dams with the convex side toward the water. An encircling wall dam on a plain is necessarily concave toward the water overall. The initial deflection of an arch dam...
Forum: Soap Box 2022-12-02, 12:25
Replies: 9
Views: 360
Posted By kriesel
... at which hydroelectric generation will cease...

... at which hydroelectric generation will cease or from which electricity will be rationed, due to low water levels, depending on the country drawing it down....
Forum: Operazione Doppi Mersennes 2022-12-01, 17:43
Replies: 647
Sticky: Results
Views: 115,601
Posted By kriesel
MM127 result

[Sun Nov 27 23:24:51 2022]
UID: kriesel/emu/gtx1650, no factor for MM127 in k range: 225P to 230P (186-bit factors) [mmff 0.28 mfaktc_barrett188_M127gs]
Forum: Lounge 2022-12-01, 17:07
Replies: 6
Views: 296
Posted By kriesel
The web archive copies (at least the October one...

The web archive copies (at least the October one I tried a bit on) seems pretty functional. Some links in it don't work. https://web.archive.org/web/20221029134917/https://primes.utm.edu/ The GIMPS...
Forum: Lounge 2022-12-01, 10:38
Replies: 2,022
RIP
Views: 265,443
Posted By kriesel
Clarence Gilyard Jr

Clarence Gilyard Jr, actor, author, UNLV professor
Played opposite Chuck Norris on "Walker, Texas Ranger" as Ranger Jimmy Trivett;
was the computer savvy member of the robbery team in "Die Hard";...
Forum: Soap Box 2022-11-30, 17:43
Replies: 9
Views: 360
Posted By kriesel
The best topography for fresh water storage has...

The best topography for fresh water storage has already mostly been exploited.
Hoover Dam / Lake Mead is at historic low levels, as are some other reservoirs. Parts of the US are in serious...
Forum: Soap Box 2022-11-30, 13:08
Replies: 9
Views: 360
Posted By kriesel
About 71% of the earth's surface is ocean, 29%...

About 71% of the earth's surface is ocean, 29% land.
So to uniformly cover all land with ocean water, to effect a 1cm change in level of existing oceans and seas, the average land coverage would be...
Forum: Science & Technology 2022-11-28, 17:41
Replies: 524
Views: 111,257
Posted By kriesel
Mauna Loa erupting, beginning ~12 hours ago, with...

Mauna Loa erupting, beginning ~12 hours ago, with associated small quakes by the dozen. Not enough Richter scale yet to get Uncwilly out of bed....
Forum: Marin's Mersenne-aries 2022-11-28, 16:47
Replies: 48
Views: 15,438
Posted By kriesel
Mark or anyone can contribute to good first-test...

Mark or anyone can contribute to good first-test wavefront P-1. I have mine configured to queue up some of that automatically if they get close to running out of retry before dc assignments. Good...
Forum: Dobri 2022-11-28, 11:18
Replies: 84
Views: 42,321
Posted By kriesel
That's a really subtle difference. It took a...

That's a really subtle difference. It took a while to see it.
Forum: Data 2022-11-27, 19:48
Replies: 78
Views: 4,449
Posted By kriesel
Maybe George should cap it at some point.

Maybe George should cap it at some point.
Forum: PrimeNet 2022-11-27, 19:38
Replies: 2,684
Views: 360,619
Posted By kriesel
473041738 bytes per your screen capture, or...

473041738 bytes per your screen capture, or ~461,955 KiB. The difference between that and what I posted earlier (473,041,680) is for a handful of scalars in addition to the 10 full size residues. The...
Forum: PrimeNet 2022-11-27, 17:12
Replies: 2,684
Views: 360,619
Posted By kriesel
Scaling up from the data provided in prime95...

Scaling up from the data provided in prime95 readme.txt for 100Mdigit proof power 9, that would be ~ 473. MB for 378.43M exponent power 9 proof file.
Bytes ~ ceil(exponent/8) * (power+1) =...
Forum: Lounge 2022-11-26, 17:45
Replies: 2,022
RIP
Views: 265,443
Posted By kriesel
Irene Cara...

Irene Cara (https://en.wikipedia.org/wiki/Irene_Cara), 63, singer of theme songs for Fame (https://youtu.be/o2jh7N7Fldk) and Flashdance.
Forum: Operazione Doppi Mersennes 2022-11-26, 12:19
Replies: 647
Sticky: Results
Views: 115,601
Posted By kriesel
MM127 result

[Fri Nov 25 23:21:45 2022]
UID: kriesel/asr3-rtx2080, no factor for MM127 in k range: 235P to 240P (186-bit factors) [mmff 0.28 mfaktc_barrett188_M127gs]
Forum: kriesel 2022-11-25, 16:55
Replies: 7
Views: 5,684
Posted By kriesel
Dobri's thread

There are numerous posts in a blog thread (https://mersenneforum.org/showthread.php?t=28129) created by Dobri regarding various numerical properties of exponents of known Mersenne primes, and lists...
Forum: Dobri 2022-11-24, 12:33
Replies: 84
Views: 42,321
Posted By kriesel
A small update Will you be updating previous...

A small update
Will you be updating previous posts occasionally, as factoring, primality testing, and verification progress?
Forum: kriesel 2022-11-24, 09:44
Replies: 19
Views: 891
Posted By kriesel
What is truly remarkable is that gpuowl,...

What is truly remarkable is that gpuowl, developed in Linux for OpenCL on AMD GPUs, is more reliable at LL on NVIDIA GPUs in Windows or Linux, (usually), than CUDALucas, while also being...
Showing results 1 to 25 of 1000

 
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