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Search: Posts Made By: kriesel
Forum: Linux 2021-04-22, 17:59
Replies: 1
Views: 43
Posted By kriesel
Great stuff, but unfortunately for us gpu GIMPS...

Great stuff, but unfortunately for us gpu GIMPS computing fans, support for OpenGL but no OpenCL (gpuowl, mfakto). OpenCL is not even on their roadmap.
CUDA, OpenGL, DirectML, but no OpenCL....
Forum: Software 2021-04-22, 17:26
Replies: 182
Views: 15,634
Posted By kriesel
ACK! Thanks for spotting and pointing it out....

ACK! Thanks for spotting and pointing it out. Fixed and restarted.
I've handwritten countless P-1 worktodo lines over the years. Old habits die hard.

edit: Oh, wait, thanks axn, kbnc notation (k...
Forum: Software 2021-04-22, 14:53
Replies: 182
Views: 15,634
Posted By kriesel
I did not claim it hides B2. As a fresh install...

I did not claim it hides B2. As a fresh install of v30.6b1 in a new folder, I forgot to reset the small default allowed memory at first, so it skipped running stage 2 until that small memory limit...
Forum: Software 2021-04-22, 13:52
Replies: 182
Views: 15,634
Posted By kriesel
Build 2 calls all the build 1 P+1 save files bad....

Build 2 calls all the build 1 P+1 save files bad. Perhaps resulting from a mismatch of nth_run parameter. I don't see anything in file naming that would prevent that mismatch from occurring.
Build 2...
Forum: Software 2021-04-22, 13:30
Replies: 182
Views: 15,634
Posted By kriesel
If it's not too much trouble, could it also log...

If it's not too much trouble, could it also log the other worktodo entry parameters present after B2 in the worker window? It's not logging the required nth_run parameter.
FYI, the server displays...
Forum: Lounge 2021-04-21, 22:05
Replies: 1,363
Views: 87,512
Posted By kriesel
I think it's from overgeneralization of how one...

I think it's from overgeneralization of how one makes plurals in English, despite the many cases of words whose origins are from other languages and bring those rules along. (In this case, datus from...
Forum: Lounge 2021-04-21, 16:16
Replies: 1,363
Views: 87,512
Posted By kriesel
"Datum" is very frequently used in engineering...

"Datum" is very frequently used in engineering and manufacturing, to specify limits on geometric form to ensure proper fit and function of mechanical components.

In some cases the locations of...
Forum: Lounge 2021-04-21, 13:46
Replies: 1,363
Views: 87,512
Posted By kriesel
Sheesh, you'd think a prominent organization with...

Sheesh, you'd think a prominent organization with global reach such as the AP could afford a decent proofreader or software to perform the function.
"has a qualification criteria".
Criteria are...
Forum: Lounge 2021-04-21, 00:28
Replies: 1,357
Views: 113,899
Posted By kriesel
But who has ever heard of Typhoid Tony?...

But who has ever heard of Typhoid Tony? https://www.history.com/news/10-things-you-may-not-know-about-typhoid-mary
Forum: Lounge 2021-04-20, 22:58
Replies: 1,357
Views: 113,899
Posted By kriesel
Shortly AFTER?!...

Shortly AFTER?! https://en.wikipedia.org/wiki/Decomposition
Forum: Lounge 2021-04-19, 16:57
Replies: 4,282
Views: 321,786
Posted By kriesel
Power outage affects TSMC automotive chip output ...

Power outage affects TSMC automotive chip output
https://www.tomshardware.com/uk/news/tsmc-power-outage-partially-halts-production-mature-node
Forum: Soap Box 2021-04-19, 13:44
Replies: 366
Views: 41,746
Posted By kriesel
One Tesla car fire per 205 million miles, ~10...

One Tesla car fire per 205 million miles, ~10 times US fleet average
https://insideevs.com/news/501729/number-tesla-vehicle-fires-2020/
I guess they're making up in duration, for a low frequency....
Forum: kriesel 2021-04-17, 17:07
Replies: 14
Views: 5,961
Posted By kriesel
PRP proof file format

V1:
"An attempt at documenting the file format is here:
https://github.com/preda/gpuowl/wiki/PRP-Proof-File-Spec"
(reproduced from https://mersenneforum.org/showpost.php?p=549786&postcount=87)

...
Forum: PrimeNet 2021-04-17, 15:43
Replies: 6
Views: 227
Posted By kriesel
To clarify on TF software: Only mfaktc on...

To clarify on TF software:
Only mfaktc on NVIDIA gpus and mfakto on AMD gpus or perhaps OpenCL supporting IGPs are worthwhile in the mersenne.org exponent range.
There are better uses for cpus:...
Forum: Marin's Mersenne-aries 2021-04-17, 15:02
Replies: 43
Views: 13,057
Posted By kriesel
From https://www.mersenne.org/report_milestones/ ...

From https://www.mersenne.org/report_milestones/
Progress toward next GIMPS milestones (last updated 2021-04-17 14:30:05 UTC, updates every 15 minutes)
Countdown to verifying all tests below...
Forum: Marin's Mersenne-aries 2021-04-17, 13:48
Replies: 7
Views: 540
Posted By kriesel
From https://www.mersenne.org/report_milestones/ ...

From https://www.mersenne.org/report_milestones/
Progress toward next GIMPS milestones (last updated 2021-04-17 13:30:06 UTC, updates every 15 minutes)

All exponents below 55 133 759 have been...
Forum: Lounge 2021-04-16, 23:13
Replies: 198
Views: 33,226
Posted By kriesel
If the current stretch is part of a gap to rival...

If the current stretch is part of a gap to rival the exponent ratio of 521/127 ~4.1, it could take GIMPS enough decades to get the wavefront of first primality testing to M52 to exceed the life...
Forum: News 2021-04-16, 21:15
Replies: 328
Views: 61,418
Posted By kriesel
No, not him. But to answer your request, it is...

No, not him. But to answer your request, it is M52 of course!
(Should have been October 2020 for proof V2 introduction. Finding the correct exponent for M52 "is left as an exercise for the readers"....
Forum: Lounge 2021-04-16, 20:30
Replies: 4,282
Views: 321,786
Posted By kriesel
Outstanding! For WHAM or WUPPE development, best...

Outstanding! For WHAM or WUPPE development, best NASA-approved paint we could use was solar spectrum absorptance ~23.%. More recently, there's 9%...
Forum: PrimeNet 2021-04-16, 20:11
Replies: 9
Views: 323
Posted By kriesel
Really more like for LL, 2(1+e+e2+...] where...

Really more like for LL, 2(1+e+e2+...] where e=error rate per primality test is ~0.01 for ~p=100M with Jacobi check, double~0.02 without Jacobi check, and e is a strong function of exponent, or of...
Forum: News 2021-04-16, 16:09
Replies: 328
Views: 61,418
Posted By kriesel
proof file V2 spec

The above still describes proof file V1.
Is there a V2 update or equivalent somewhere? If so where?
Proof V2 was introduced (https://mersenneforum.org/showpost.php?p=560786&postcount=110) in...
Forum: Lounge 2021-04-14, 17:50
Replies: 1,711
RIP
Views: 151,245
Posted By kriesel
It's a class of crime called affinity fraud,...

It's a class of crime called affinity fraud, using group membership and other aspects of human nature against the victims for personal gain. Madoff's crimes (and the several associates also...
Forum: Lounge 2021-04-14, 15:54
Replies: 1,711
RIP
Views: 151,245
Posted By kriesel
"I’ve served 11 years already, and, quite...

"I’ve served 11 years already, and, quite frankly, I’ve suffered through it.” Oh boo hoo. https://www.nytimes.com/2021/04/14/business/bernie-madoff-dead.html

Deserved every second of his 150...
Forum: Data 2021-04-14, 02:46
Replies: 17
Views: 564
Posted By kriesel
Interesting stuff. How useful would P+1 be, for...

Interesting stuff.
How useful would P+1 be, for wavefront Mersenne exponents?
I had thought the applicable factoring methods were already fully exploited by GIMPS.

How applicable is Mihai's...
Forum: Hardware 2021-04-12, 17:27
Replies: 2
Views: 141
Posted By kriesel
Crazy times we're in, presumably due to the...

Crazy times we're in, presumably due to the plethora of cryptocurrency schemes. Automated vehicles increase demand too.

We're now in a situation where used functional but no-warranty Radeon VIIs...
Showing results 1 to 25 of 1000

 
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