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Search: Posts Made By: kriesel
Forum: Hardware 2022-01-16, 16:25
Replies: 83
Views: 10,527
Posted By kriesel
Drive lives vary considerably. Cases in point: ...

Drive lives vary considerably. Cases in point:
In an HP G72-B60-US laptop, 9.5 years x 24/7 ~ 83,000 hours. This is the one that took several unplanned dives off the arm of the couch onto the...
Forum: PrimeNet 2022-01-15, 22:10
Replies: 89
Views: 44,905
Posted By kriesel
Except it favors job security in IT. Someone's...

Except it favors job security in IT. Someone's got to be there to find and plug the holes in the dike, maintain the pumps, rotate out equipment as it wears out, etc.
Forum: Marin's Mersenne-aries 2022-01-15, 14:48
Replies: 4
Views: 850
Posted By kriesel
updates & typofixes (in bold)

DoubleCheck=332196607 (https://www.mersenne.org/report_exponent/?exp_lo=332196607&full=1),81,1 assigned ll 2021-02-13, last update 2021-02-13
DoubleCheck=332209313...
Forum: Marin's Mersenne-aries 2022-01-15, 13:28
Replies: 26
Views: 1,138
Posted By kriesel
update

Per https://mersenneforum.org/showpost.php?p=597212&postcount=20 tServo will do these, probably completing in January:
PRP=1,2,103404713,-1,76,0 Kriesel did first PRP shifted type 1...
Forum: Information & Answers 2022-01-14, 19:55
Replies: 3
Views: 126
Posted By kriesel
The OP did not say what application. But there's...

The OP did not say what application. But there's a reference info post (https://www.mersenneforum.org/showpost.php?p=524873&postcount=24) for that (moving work in progress). If you can't get access...
Forum: Soap Box 2022-01-14, 16:14
Replies: 194
Views: 37,657
Posted By kriesel
North Carolina nearly nuked in 1961...

North Carolina nearly nuked in 1961 https://www.bbc.com/news/world-us-canada-24183879
Forum: Software 2022-01-14, 12:36
Replies: 325
Views: 15,373
Posted By kriesel
What's the issue with mfaktc on Linux? Mprime...

What's the issue with mfaktc on Linux?
Mprime on Linux is slightly (under 1% IIRC) higher performance than prime95 on Windows and identical hardware. (Tested lightly on a dual-boot system.) No need...
Forum: Lounge 2022-01-14, 12:29
Replies: 19
Views: 486
Posted By kriesel
Good: pennies are plentiful. Bad: They cost...

Good: pennies are plentiful.
Bad: They cost more than a penny to make.
Good: It's not the user bearing that cost.
Bad: these days pennies are mostly zinc, with enough copper remaining for color....
Forum: Lounge 2022-01-14, 02:10
Replies: 19
Views: 486
Posted By kriesel
You know the difference between a comedy and a...

You know the difference between a comedy and a tragedy, right? It's comedy when a similar sequence happens to someone else's network, and tragedy when it befalls your own.
And I really should lop...
Forum: Lounge 2022-01-14, 02:06
Replies: 19
Views: 486
Posted By kriesel
Breaker or fuse of last resort

Long ago living in a neighborhood that was duplexes & apartment buildings with a potato chip warehouse down the road, and a substation about a mile away,

Bad: the power went out one evening....
Forum: Marin's Mersenne-aries 2022-01-13, 17:34
Replies: 691
Views: 119,423
Posted By kriesel
I'm running a TC of 62413333 in Gpuowl. Then...

I'm running a TC of 62413333 in Gpuowl. Then we'll see if any further action is needed. My DC was in CUDALucas on a slow old GPU so is suspect. Also the log showed a few ~0.36 roundoff & retreat...
Forum: Soap Box 2022-01-13, 15:52
Replies: 194
Views: 37,657
Posted By kriesel
The most invasive species known. All continents,...

The most invasive species known. All continents, most islands, plus low earth orbit and rare jaunts to Luna and back. So far. But I don't like our odds as large warmblooded terrestrial vertebrates...
Forum: Marin's Mersenne-aries 2022-01-13, 05:18
Replies: 26
Views: 1,138
Posted By kriesel
Try again.

Try again.
Forum: Lounge 2022-01-12, 23:37
Replies: 19
Views: 486
Posted By kriesel
...and the file server's external backup drive...

...and the file server's external backup drive was down (dark). Its power adapter was plugged into the same strip as other running equipment. Remove & relocate adapter, do output open circuit voltage...
Forum: PrimeNet 2022-01-12, 23:02
Replies: 9
Views: 508
Posted By kriesel
Uncertified do not always indicate as __ on the...

Uncertified do not always indicate as __ on the right. See https://www.mersenne.org/report_exponent/?exp_lo=93939421&full=1 which currently has a 0% complete Cert assignment, and matching PRP type 1...
Forum: Lounge 2022-01-12, 22:48
Replies: 19
Views: 486
Posted By kriesel
Good news bad news

Bad news: woke up this morning to a chorus of beeping UPSes with no AC input.
Good: in my age bracket (https://mersenneforum.org/showpost.php?p=597564&postcount=1841), waking up again IS good news....
Forum: Lounge 2022-01-12, 19:20
Replies: 14
Views: 282
Posted By kriesel
I was very grateful for the strength of the...

I was very grateful for the strength of the wiring (really steel-reinforced for strength, copper cable carrying the current) and adjacent poles when driving in rural Colorado decades ago, as a pole...
Forum: Marin's Mersenne-aries 2022-01-12, 19:02
Replies: 26
Views: 1,138
Posted By kriesel
Thanks for your efforts. Server shows no...

Thanks for your efforts.
Server shows no indication of reservation or result report for those yet. Please report your results and upload the proof files.
Forum: Lounge 2022-01-12, 18:52
Replies: 1,599
Views: 168,797
Posted By kriesel
Taser ignites hand sanitizer the man coated...

Taser ignites hand sanitizer the man coated himself with, & he later dies due to burns. https://abcnews.go.com/US/wireStory/man-burst-flames-taser-police-81000888 The hand sanitizer is everywhere due...
Forum: Lounge 2022-01-12, 16:08
Replies: 1,599
Views: 168,797
Posted By kriesel
At 1M US persons/day, it shouldn't take long to...

At 1M US persons/day, it shouldn't take long to burn through all the unvaccinated * nonimmune-from-prior-variants-exposure intersection of sets and run out of prime candidates. There are news reports...
Forum: Software 2022-01-12, 05:16
Replies: 18
Views: 5,177
Posted By kriesel
https://www.intel.com/content/www/us/en/products/s...

https://www.intel.com/content/www/us/en/products/sku/186605/intel-core-i99900k-processor-16m-cache-up-to-5-00-ghz/specifications.html says this CPU includes an IGP model UHD630. So the possible forms...
Forum: Astronomy 2022-01-09, 18:17
Replies: 83
Views: 5,930
Posted By kriesel
Let's try to run some numbers on that. When I...

Let's try to run some numbers on that.
When I looked recently at https://jwst.nasa.gov/content/webbLaunch/whereIsWebb.html
JWST was ~686170 miles from earth (~1104300 km).
sunshield length ~21.2...
Forum: Astronomy 2022-01-09, 14:06
Replies: 83
Views: 5,930
Posted By kriesel
Academic only if NASA neither attempts a robotic...

Academic only if NASA neither attempts a robotic repair nor producing another instrument to replace or supersede JWST. It's so much more interesting to learn from past mistakes, by puzzling out the...
Forum: Hardware 2022-01-09, 07:06
Replies: 25
Views: 762
Posted By kriesel
If running mprime / prime95, maximum fft length,...

If running mprime / prime95, maximum fft length, and thereby maximum exponent, varies by available instruction set. SSE2 can go to ~595M exponent, so would not affect wavefront or 100Mdigit....
Forum: Marin's Mersenne-aries 2022-01-07, 21:44
Replies: 26
Views: 1,138
Posted By kriesel
Update with detail

Per https://mersenneforum.org/showpost.php?p=597212&postcount=20 tServo will do these four, probably completing by mid January:
PRP=1,2,97970567,-1,76,0 Kriesel did first PRP shifted type 1...
Showing results 1 to 25 of 1000

 
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