mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 1000
Search took 0.24 seconds.
Search: Posts Made By: kriesel
Forum: Hardware 2020-11-28, 14:09
Replies: 125
Views: 6,373
Posted By kriesel
P means passive cooling; it's designed to go in a...

P means passive cooling; it's designed to go in a server package that pushes air through it lengthwise. So be prepared to come up with some sort of custom HVAC solution. (3d print an adapter?) Or...
Forum: Hardware 2020-11-28, 12:25
Replies: 125
Views: 6,373
Posted By kriesel
Windows 10 & prime95: Cpuid HWMonitor provides...

Windows 10 & prime95:
Cpuid HWMonitor provides no core temp output
Cpuid HWInfo crashes after displaying some cpu loadings
CoreTemp https://www.alcpu.com/CoreTemp/ runs out of screen height,...
Forum: Software 2020-11-28, 01:17
Replies: 483
Sticky: Prime95 v30.3
Views: 36,494
Posted By kriesel
Thanks. Event viewer is showing a lot of these...

Thanks.
Event viewer is showing a lot of these errors in system log.
The device, \Device\Harddisk0\DR0, has a bad block.
Kinda poor since it's only ~3-4 years old and has led a sheltered life.
...
Forum: kriesel 2020-11-27, 23:24
Replies: 4
Views: 38
Posted By kriesel
Poor-man's multithreading approximation

Launching separate processes for separate pass numbers with output redirection to pass-specific files permits using multiple cores on Windows. If there's a system crash before the processes complete...
Forum: kriesel 2020-11-27, 23:04
Replies: 4
Views: 38
Posted By kriesel
Linux builds

These were built on Ubuntu 18.04 / WSL on a Windows 10 Pro x64 i7-8750H system. See the mfactor bits table attached to post one of this thread.


Top of reference tree:...
Forum: kriesel 2020-11-27, 22:58
Replies: 4
Views: 38
Posted By kriesel
960-pass Windows builds

These were built using msys2 on a Windows 7 X64 Pro dual-Xeon E5645 system. They are single threaded because that's all that build approach supports. The higher pass count is somewhat more...
Forum: kriesel 2020-11-27, 22:57
Replies: 4
Views: 38
Posted By kriesel
16-pass Windows builds

These were built using msys2 on a Windows 7 X64 Pro dual-Xeon E5645 system. They are single threaded because that's all that build approach supports.
Differing number of words allows for fast runs...
Forum: kriesel 2020-11-27, 22:51
Replies: 4
Views: 38
Posted By kriesel
Mfactor-specific thread

This is a thread specific to Ernst Mayer's mfactor program. And if/when it matters, to the cpu-oriented builds of it. In most cases, GIMPS trial factoring should be performed on gpus using mfaktc or...
Forum: Software 2020-11-27, 22:18
Replies: 483
Sticky: Prime95 v30.3
Views: 36,494
Posted By kriesel
I restarted it multiple times after multiple...

I restarted it multiple times after multiple crashes, and only the fourth try worked.
System has not yet been up for 16 days.
This (https://www.stanislavs.org/helppc/dos_error_codes.html) says 23...
Forum: Software 2020-11-27, 20:24
Replies: 483
Sticky: Prime95 v30.3
Views: 36,494
Posted By kriesel
V30.3b6 crash instead of completing exponent

[Nov 27 14:15] Worker starting
[Nov 27 14:15] Setting affinity to run worker on CPU core #1
[Nov 27 14:15] Setting affinity to run helper thread 1 on CPU core #2
[Nov 27 14:15] Resuming Gerbicz...
Forum: Lounge 2020-11-27, 18:53
Replies: 3
Views: 126
Posted By kriesel
All of it. Usual would be 12 lb turkey, stuffing,...

All of it. Usual would be 12 lb turkey, stuffing, cranberries, green bean casserole, yams, beets, baked potato, lettuce salad, jello with fruit and mini marshmallows in it, black olives, corn bread...
Forum: PrimeNet 2020-11-27, 18:20
Replies: 14
Views: 320
Posted By kriesel
Just to be clear, all functional GIMPS software...

Just to be clear, all functional GIMPS software contributions and their authors are welcome and respected. Cllucas used to be the best primality testing software for Mersennes on OpenCL. Eventually...
Forum: Lounge 2020-11-27, 16:27
Replies: 146
Views: 16,961
Posted By kriesel
verified composite...

verified composite (https://www.mersenne.org/report_exponent/?exp_lo=103305173&exp_hi=&full=1) (Cert by Ben Delo). The other recently posted M52 predictions have also been primality tested (but not...
Forum: Lounge 2020-11-27, 16:15
Replies: 1,146
Views: 63,610
Posted By kriesel
A long article on present and lasting...

A long article on present and lasting psychological effects of the current pandemic and responses to it. https://www.thecut.com/2020/11/covid-19-pandemic-kids-mental-health.html
Forum: kriesel 2020-11-27, 15:01
Replies: 5
Views: 1,911
Posted By kriesel
Mlucas builds for Windows

Building for Windows in msys2 is similar to building for Linux or WSL, except:
remove -DUSE_THREADS and -lpthread for Windows single-threaded end use.
How I built or attempted in msys2 for Windows...
Forum: PrimeNet 2020-11-27, 14:30
Replies: 14
Views: 320
Posted By kriesel
Climbing the learning curve can provide many...

Climbing the learning curve can provide many hours of enjoyable distraction.
Start through https://www.mersenneforum.org/showthread.php?t=24607. Bookmark it for later reference.
For software after...
Forum: PrimeNet 2020-11-27, 14:13
Replies: 14
Views: 320
Posted By kriesel
FOUR known factors, known for 15 to 39 years....

FOUR known factors, known for 15 to 39 years. Mfactor can find the smallest in under a minute on one core of an old slow Xeon E5645.
Searching in the interval k=[0, 16336320]
Each of 16 (p mod 60)...
Forum: PrimeNet 2020-11-27, 03:49
Replies: 14
Views: 320
Posted By kriesel
What's the exponent? What's the reason?...

What's the exponent? What's the reason? (Hopefully not "My social security number or bank account number is prime so I wondered about the corresponding Mersenne number")
Forum: PrimeNet 2020-11-27, 02:57
Replies: 14
Views: 320
Posted By kriesel
To expand on Viliam's point about the exponent...

To expand on Viliam's point about the exponent being prime: if the exponent is composite, the corresponding Mersenne number has trivially found factors and so is composite. In that case none of the...
Forum: Hardware 2020-11-26, 13:59
Replies: 125
Views: 6,373
Posted By kriesel
When I was an apartment dweller, it was common...

When I was an apartment dweller, it was common that a cable guy futzing in the wire closet to hook up a new account would hose an existing account's connection (mine). More recently, a township...
Forum: Software 2020-11-26, 06:56
Replies: 29
Views: 4,660
Posted By kriesel
Preceding post's output error occurs in...

Preceding post's output error occurs in results.txt but not console output. Don't know if that's due to Ernst's source or some wayward edit at my location.


Due to typos or batch script editing...
Forum: Miscellaneous Math 2020-11-26, 06:10
Replies: 4
Views: 115
Posted By kriesel
How does one get a suspected 26-megadigit prime...

How does one get a suspected 26-megadigit prime from RSA, which commonly uses keys in the 1024-bit to 4096-bit range? Especially in 2011, when 512-bit were apparently successfully attacked by...
Forum: Software 2020-11-25, 21:43
Replies: 29
Views: 4,660
Posted By kriesel
output bug with -mm n input

Searching in the interval k=[0, 16336320]
Each of 16 (p mod 60) passes will consist of 1 intervals of length 272272

Factor with k = 68745. This factor is a probable prime.
M(31) has 1...
Forum: Hardware 2020-11-25, 21:03
Replies: 125
Views: 6,373
Posted By kriesel
Sheesh, run the long cable, or temporarily...

Sheesh, run the long cable, or temporarily relocate the box. There are better uses for your time than battling wifi install on a case with 2 or 3 RJ45s, such as proving out F33 P-1 code or producing...
Forum: PrimeNet 2020-11-25, 20:44
Replies: 66
Views: 7,524
Posted By kriesel
You could try bumping the final bit level up to...

You could try bumping the final bit level up to 76. It needs to go there anyway. You'll get credit for the 74-75 and the 75-76, which is 6 parts out of 7of the work effort from 73 bits per exponent,...
Showing results 1 to 25 of 1000

 
All times are UTC. The time now is 14:47.

Sat Nov 28 14:47:43 UTC 2020 up 79 days, 11:58, 4 users, load averages: 0.80, 1.25, 1.36

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.