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Search: Posts Made By: kriesel
Forum: Software 2020-09-19, 13:24
Replies: 4
Views: 99
Posted By kriesel
Assuming this concerns prime95, same results...

Assuming this concerns prime95, same results here; update to Vista or newer. This is a known issue (https://www.mersenneforum.org/showpost.php?p=556909&postcount=285). Even Windows 7 is no longer...
Forum: Software 2020-09-19, 00:26
Replies: 13
Views: 368
Posted By kriesel
https://en.wikipedia.org/wiki/IEEE_754

https://en.wikipedia.org/wiki/IEEE_754
Forum: Operation Billion Digits 2020-09-18, 22:03
Replies: 10
Views: 2,742
Posted By kriesel
I assume you're referring to the last TF with the...

I assume you're referring to the last TF with the RTX3090. Start lobbying Mihai and George now for a gigadigit-capable fft length in gpuowl, and robust error checking in P-1, which I estimate would...
Forum: Data 2020-09-18, 20:52
Replies: 3,319
Views: 210,172
Posted By kriesel
98M LLDC was forecast for ~2033 back in late...

98M LLDC was forecast for ~2033 back in late 2018, by interpolation of the simple extrapolation at https://www.mersenneforum.org/showpost.php?p=502995&postcount=11
Also forecast 94M first test...
Forum: GpuOwl 2020-09-18, 16:47
Replies: 56
Views: 4,610
Posted By kriesel
You could code for the worst case. Or for...

You could code for the worst case. Or for multiple cases as in attachment of https://www.mersenneforum.org/showpost.php?p=537155&postcount=16 ...
Forum: GpuOwl 2020-09-18, 13:13
Replies: 56
Views: 4,610
Posted By kriesel
From the program's help output:-maxAlloc ...

From the program's help output:-maxAlloc : limit GPU memory usage to this value in MB (needed on non-AMD GPUs)

Aim for -maxAlloc somewhat less than what the Colab gpu you get has...
Forum: Miscellaneous Math 2020-09-18, 01:51
Replies: 7
Views: 234
Posted By kriesel
Relax, nothing nefarious. There is logic to what...

Relax, nothing nefarious. There is logic to what I do, whether it is apparent or not.
A reference post in my blog I can edit, extend, and correct indefinitely. The purpose of the blog is to house my...
Forum: Miscellaneous Math 2020-09-17, 18:39
Replies: 7
Views: 234
Posted By kriesel
Mersenne Primes and Benford's law

Someone mentioned Benford's law to me recently, and I decided to see how well the known Mersenne primes followed it. It turns out that the exponents follow it pretty well. The number of decimal...
Forum: GpuOwl 2020-09-17, 18:00
Replies: 2,470
Views: 145,809
Posted By kriesel
"Result" field for a Cert needs something more...

"Result" field for a Cert needs something more informative than n/a in all cases; match or mismatch, pass or fail, something. Maybe also proof power in case of a success.
Forum: kriesel 2020-09-17, 17:51
Replies: 5
Views: 890
Posted By kriesel
Benford's Law

Benford's Law https://en.wikipedia.org/wiki/Benford's_law comes from observations that many cases of observed or measured sets of numbers have a nonuniform distribution of leading digits. That is, 1...
Forum: Software 2020-09-17, 00:43
Replies: 325
Sticky: Prime95 v30.3
Views: 16,016
Posted By kriesel
Consider trying out the new version in a separate...

Consider trying out the new version in a separate test folder, soon, on something quick; P-1, prp-cf. Then if there's an issue George can have time to look into it.
Forum: Software 2020-09-16, 19:11
Replies: 3
Views: 228
Posted By kriesel
We can use...

We can use https://en.wikipedia.org/w/index.php?title=Prime95&oldid=897876798 to access a previous revision of the wikipedia page. (The revision history looks to me like the big cutdown eliminating...
Forum: GpuOwl 2020-09-16, 02:23
Replies: 2,470
Views: 145,809
Posted By kriesel
https://www.mersenneforum.org/showthread.php?t=233...

https://www.mersenneforum.org/showthread.php?t=23391Also the help file in the zip file of almost any posted Windows build; rerun gpuowl-win -h on your own hardware to get the correct device number to...
Forum: Lounge 2020-09-15, 10:01
Replies: 1,071
Views: 46,338
Posted By kriesel
You are way off the mark. It is not as simple as...

You are way off the mark. It is not as simple as dollars versus lives. Does this consequence of the extreme measures taken not concern you at all? How selfish that would be....
Forum: Lounge 2020-09-15, 09:47
Replies: 1,071
Views: 46,338
Posted By kriesel
You're being ridiculous. I've previously posted...

You're being ridiculous. I've previously posted about immunity fade, and provided the links so those interested in learning about cross reactivity can go and read the source.
Forum: Lounge 2020-09-15, 09:44
Replies: 1,071
Views: 46,338
Posted By kriesel
Highly effective antibody found. As treatment or...

Highly effective antibody found. As treatment or preventive, works in mice. On to human trials at some point....
Forum: Lounge 2020-09-15, 02:25
Replies: 1,071
Views: 46,338
Posted By kriesel
Parts of the CV19 exterior have enough in common...

Parts of the CV19 exterior have enough in common with that of other milder pathogens, that previous exposure to the milder confers some immune response to CV19 on first contact. The immune system...
Forum: Lounge 2020-09-14, 23:47
Replies: 1,071
Views: 46,338
Posted By kriesel
Lockdown was chosen as an intrusive government...

Lockdown was chosen as an intrusive government policy so politicians could be seen to be doing something, in March, until more was known about the virus. Time has passed, more has been learned, but...
Forum: Software 2020-09-14, 21:00
Replies: 325
Sticky: Prime95 v30.3
Views: 16,016
Posted By kriesel
Sometimes a PRP proof is available for...

Sometimes a PRP proof is available for verification, and sometimes not. Most of mine get done by Ben Delo.
Forum: Software 2020-09-14, 19:24
Replies: 325
Sticky: Prime95 v30.3
Views: 16,016
Posted By kriesel
Ubuntu version matters; WSL version matters. It's...

Ubuntu version matters; WSL version matters. It's much more than just a console window on Win10. https://docs.microsoft.com/en-us/windows/wsl/wsl2-index
Forum: Information & Answers 2020-09-14, 13:40
Replies: 2
Views: 137
Posted By kriesel
"Finally, note that where you install GIMPS...

"Finally, note that where you install GIMPS applications matters. The folder must have adequate permissions set to allow the program, save files, log files, worktodo file, batch files or shell...
Forum: Software 2020-09-14, 13:15
Replies: 325
Sticky: Prime95 v30.3
Views: 16,016
Posted By kriesel
A rough estimate of traditional is: 2% TF 2%...

A rough estimate of traditional is:
2% TF
2% P-1
100% LL or PRP
100% LL or PRP DC
4% LL TC x 1/3 of exponents ~1.3%
total ~205% of a primality test per exponent

A rough estimate of new is...
Forum: GpuOwl 2020-09-13, 23:31
Replies: 2,470
Views: 145,809
Posted By kriesel
Check cpu-side component temperatures especially...

Check cpu-side component temperatures especially system ram.
I had a system with similar problems, traced eventually to hot ram sticks because of a bad fan. (Hotter than rated operating temperature...
Forum: PrimeNet 2020-09-13, 21:27
Replies: 59
Views: 2,220
Posted By kriesel
The first two sentences of your reply sound to me...

The first two sentences of your reply sound to me to relate to the Colab Notebook & Google VM's load. I was asking about gpu and cpu usage on the local host in front of you, that is executing the...
Forum: Software 2020-09-13, 17:37
Replies: 325
Sticky: Prime95 v30.3
Views: 16,016
Posted By kriesel
No, completely separate. Here's what it looks...

No, completely separate. Here's what it looks like, and v29.8b6 on the same system.
(Old slow system, low priority, but there it is. I have older...)
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