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Search: Posts Made By: kriesel
Forum: Science & Technology 2022-11-28, 17:41
Replies: 524
Views: 110,907
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: 34
Views: 14,233
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: 36,749
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: 4,166
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: 2,640
Views: 357,594
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: 2,640
Views: 357,594
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: 2,017
RIP
Views: 263,976
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: 645
Sticky: Results
Views: 114,977
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: 5,651
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: 36,749
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: 813
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...
Forum: Marin's Mersenne-aries 2022-11-23, 05:15
Replies: 34
Views: 14,233
Posted By kriesel
Here's one we would not have gotten with ordinary...

Here's one we would not have gotten with ordinary bounds, and its factor is 102 bits.

https://www.mersenne.ca/exponent/85408633
Forum: PrimeNet 2022-11-23, 01:37
Replies: 5
Views: 261
Posted By kriesel
This might be applicable:...

This might be applicable: https://www.mersenneforum.org/showpost.php?p=524873&postcount=24
Check your HD for save files in old folders, and trash can / recycle bin / whatever.
Forum: PrimeNet 2022-11-23, 01:16
Replies: 5
Views: 261
Posted By kriesel
There's part of the problem. It does NOT upload...

There's part of the problem.
It does NOT upload snapshots of saved work in progress to the PrimeNet server. That is, the save files from which you may resume are never uploaded, they stay local. If...
Forum: Operazione Doppi Mersennes 2022-11-21, 18:20
Replies: 645
Sticky: Results
Views: 114,977
Posted By kriesel
[Mon Oct 24 00:40:54 2022] UID:...

[Mon Oct 24 00:40:54 2022]
UID: kriesel/emu/gtx1650, no factor for MM127 in k range: 195P to 200P (186-bit factors) [mmff 0.28 mfaktc_barrett188_M127gs]
Forum: Operazione Doppi Mersennes 2022-11-21, 16:43
Replies: 524
Sticky: Reservations
Views: 88,029
Posted By kriesel
Reserving MMFactor=127,260e15,265e15

Reserving
MMFactor=127,260e15,265e15
Forum: GpuOwl 2022-11-21, 15:44
Replies: 2,866
Views: 440,281
Posted By kriesel
No purchase cost, and no utility cost, but higher...

No purchase cost, and no utility cost, but higher end user time cost, is a tradeoff that may be very palatable for some with limited funds or cooling capacity. Plus it offers a try-before-you-buy...
Forum: Operazione Doppi Mersennes 2022-11-21, 14:51
Replies: 524
Sticky: Reservations
Views: 88,029
Posted By kriesel
Reserving MMFactor=127,255e15,260e15

Reserving
MMFactor=127,255e15,260e15
Forum: Operazione Doppi Mersennes 2022-11-21, 12:25
Replies: 524
Sticky: Reservations
Views: 88,029
Posted By kriesel
Reserving MMFactor=127,250e15,255e15

Reserving
MMFactor=127,250e15,255e15
Forum: GpuOwl 2022-11-21, 05:17
Replies: 2,866
Views: 440,281
Posted By kriesel
Google Colab free used to offer 4 different...

Google Colab free used to offer 4 different models of Tesla. Current state of the art gear will eventually be resold-used-for-a-fraction-of-list.

Or buy a used rack style server with a row of...
Forum: GpuOwl 2022-11-18, 15:46
Replies: 2,866
Views: 440,281
Posted By kriesel
It's not about blame. It's about promoting...

It's not about blame. It's about promoting understanding and efficiency. Waste is the enemy. (That no one will ever be assigned that exponent for primality testing is a feature in one respect. If...
Forum: GpuOwl 2022-11-18, 12:35
Replies: 2,866
Views: 440,281
Posted By kriesel
Stop the primality test on 77 936867...

Stop the primality test on 77 936867 (https://www.mersenne.org/report_exponent/?exp_lo=77936867&exp_hi=&full=1) = 1447 × 53861

It's so easily determined composite (not-prime), there isn't even a...
Forum: GpuOwl 2022-11-18, 05:57
Replies: 2,866
Views: 440,281
Posted By kriesel
At 24 GiB GPU ram, P-1 may be the best FP64 use...

At 24 GiB GPU ram, P-1 may be the best FP64 use for it. Gpuowl or any, stage 2 likes big ram.
Forum: GPU Computing 2022-11-18, 04:02
Replies: 28
Views: 2,321
Posted By kriesel
Sounds excessive to me; GTX 1070 are 1:32 SP/DP...

Sounds excessive to me; GTX 1070 are 1:32 SP/DP so 76 bits is enough.

https://www.mersenne.ca/exponent/96095581 shows a 4 bit differential, 71 for CPU, 75 bits for GPUs.
Forum: Lounge 2022-11-17, 21:34
Replies: 2,017
RIP
Views: 263,976
Posted By kriesel
Wow, had no idea. And "living well is the best...

Wow, had no idea. And "living well is the best revenge" seems apt here.
Showing results 1 to 25 of 1000

 
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