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Search: Posts Made By: ewmayer
Forum: Software 2022-11-11, 21:16
Replies: 12
Views: 1,128
Posted By ewmayer
Many thanks for the kind wishes, guys. In my case...

Many thanks for the kind wishes, guys. In my case they were fortunately able to use a less-invasive-than-open-heart option, by successfully placing a pair of fingernail-sized MitraClips (see embedded...
Forum: Mlucas 2022-11-11, 20:52
Replies: 1
Views: 547
Posted By ewmayer
Hi, Vikki - what vintage are these, and what kind...

Hi, Vikki - what vintage are these, and what kind of CPU specs?
Forum: Software 2022-11-10, 22:28
Replies: 12
Views: 1,128
Posted By ewmayer
Post-heart-surgery blizzard of phone calls and...

Post-heart-surgery blizzard of phone calls and outpatient followup appointments finally subsided enough for me to have a look at this. First step was to find the proper Ifixit page for the precise...
Forum: Lounge 2022-10-30, 23:02
Replies: 4,522
Views: 467,767
Posted By ewmayer
Forum: Science & Technology 2022-10-13, 21:47
Replies: 43
Views: 2,181
Posted By ewmayer
I was hoping you'd chime in at some point. Issue...

I was hoping you'd chime in at some point. Issue with methanol is how to obtain it in bulk (e.g. "keeping Europe warm in the winter"-style bulk, which dwarfs IC-fuel usage). Natgas, e.g. as a...
Forum: Science & Technology 2022-10-12, 19:38
Replies: 43
Views: 2,181
Posted By ewmayer
Yes, but the CO2 produced per unit of heat...

Yes, but the CO2 produced per unit of heat released and heat released per unit fuel mass are lowest for CH4 among the hydrocarbons. Numbers from Wikipedia:

(I see Ken noted similar above).

The...
Forum: Science & Technology 2022-10-11, 19:55
Replies: 43
Views: 2,181
Posted By ewmayer
Good discussion, all, but let's please try to...

Good discussion, all, but let's please try to keep the bickering to a minimum - it's not about a given post/claim being right or wrong, it's about trying to find viable solutions to a very real...
Forum: Science & Technology 2022-10-10, 22:43
Replies: 43
Views: 2,181
Posted By ewmayer
I considered this sort of thing, but the numbers...

I considered this sort of thing, but the numbers seem to make it impractical. Let's use Germany as an example. Someone please check my math:

I considered similar, b4t the numbers seem to make it...
Forum: Science & Technology 2022-10-10, 00:34
Replies: 43
Views: 2,181
Posted By ewmayer
CH4+H2O Ice Clathrates as alternative to LNG transport?

For good or ill, it looks like US-produced liquefied natural gas will be a huge part of Europe's energy future for the next few decades. That piqued my interest with respect to the economics of...
Forum: Software 2022-10-06, 00:08
Replies: 12
Views: 1,128
Posted By ewmayer
@Paul - thanks. Alas, overnight (and overweek)...

@Paul - thanks. Alas, overnight (and overweek) shutdown makes no difference for me. I'll likely have to bite the bullet and take to nearest Apple store with a repair department but medical...
Forum: Software 2022-10-02, 22:42
Replies: 12
Views: 1,128
Posted By ewmayer
Problem with clean MacOS reinstall

Sister gifted me a used MacPro running OS X Yosemite. I was playing with p-1 runs on it in an effort to gauge what % of the RAM was actually usable by the user. At some point I got a little too...
Forum: Software 2022-08-31, 23:32
Replies: 35
Views: 18,414
Posted By ewmayer
@ramgeis: Thanks for the bug report - oo loop...

@ramgeis:
Thanks for the bug report - oo loop bug confirmed. Here is the repeated print as it appears in the current v21 dev-code branch, where I am planning to release an updated factor.c source...
Forum: Software 2022-08-24, 21:09
Replies: 5
Views: 706
Posted By ewmayer
I can't help you with Windows-specific stuff, but...

I can't help you with Windows-specific stuff, but just looking at one of my Intel/Linux boxes where I compile and run GMP-using C code:

ls -l /usr/include/gmp*
-rw-r--r-- 1 root root 116607 Dec ...
Forum: Lounge 2022-08-21, 19:42
Replies: 2,022
RIP
Views: 265,446
Posted By ewmayer
Given that most people have limited shelf space,...

Given that most people have limited shelf space, if it's not, say, one of the classics or something you will read over and over, enjoy it, then put it on the "Leave one, take one" shelf at your...
Forum: Soap Box 2022-08-18, 01:01
Replies: 30
Views: 1,492
Posted By ewmayer
The co-discoverers of insulin assigned the patent...

The co-discoverers of insulin assigned the patent to the U. of Toronto for a token $1 (https://en.wikipedia.org/wiki/Insulin), with this rationale:

"The patent would not be used for any other...
Forum: Software 2022-08-14, 19:59
Replies: 35
Views: 18,414
Posted By ewmayer
Thanks, James- Bug confirmed. Mactor builds are...

Thanks, James- Bug confirmed. Mactor builds are officially unsupported, but I do try to fix any obvious bugs found by users.

This one is a stray info-print in a special bit of...
Forum: Tales From the Crypt(o) 2022-07-26, 21:16
Replies: 304
Views: 126,536
Posted By ewmayer
https://www.nakedcapitalism.com/2022/07/unbeknown-...

https://www.nakedcapitalism.com/2022/07/unbeknown-to-most-americans-washington-is-offering-to-share-its-largest-biometric-database-with-other-governments.html
Forum: Mlucas 2022-07-12, 22:57
Replies: 30
Views: 5,820
Posted By ewmayer
Small patch which fixes an infrequent (but...

Small patch which fixes an infrequent (but run-killing when it occurs) issue with multithreaded runs of p-1 stage 2.

As always, post #1 in this thread has updated MD5 value for the release...
Forum: Computer Science & Computational Number Theory 2022-07-01, 22:35
Replies: 83
Views: 39,710
Posted By ewmayer
F30 primality test and matching double-check

[See posts #65, #70, #74 and #75 in this thread for previous notes re. the F30 Pépin tests.]

At looooooooooooong last my multiple-systems-hopping on-again/off-again DC run of the Pépin test on F30...
Forum: Lounge 2022-06-26, 19:35
Replies: 1,243
Views: 154,049
Posted By ewmayer
Spotted on the web: A priest, a rabbit, and...

Spotted on the web:

A priest, a rabbit, and a minister walk into a bar. The bartender asks the rabbit “What are you doing in here?” The rabbit replies “Autocorrect.”
Forum: Hardware 2022-06-24, 23:03
Replies: 248
Views: 59,816
Posted By ewmayer
After crunching hard for 18 months, my...

After crunching hard for 18 months, my bargain-refurb KNL workstation went "boink" at beginning of May. Suspect the MoBo - possibly the CPU - but after a fair bit of fruitless attempted fault-tracing...
Forum: Flea Market 2022-06-24, 22:57
Replies: 0
Views: 4,707
Posted By ewmayer
6 x 32GB Samsung-Compatible DDR4-2400 ECC Registered Server RAM

Samsung 32GB M393A4K40CB1-CRC DDR4-2400 ECC RDIMM 2Rx4 OEM Compatible Registered Server RAM (6 Sticks available)

$89.95 each or all 6 sticks for $500

These were pulled out of an Intel...
Forum: Soap Box 2022-06-20, 22:26
Replies: 6
Views: 1,289
Posted By ewmayer
Yahoo! Finance explains why Crypto is not merely...

Yahoo! Finance explains why Crypto is not merely a massively more environmentally destructive techno-iteration of Tulip mania (the italicized snip is literal-copy from the Yahoo headlines section of...
Forum: Mlucas 2022-06-16, 21:58
Replies: 28
Views: 3,961
Posted By ewmayer
Interesting, thanks. Do you now have 2...

Interesting, thanks. Do you now have 2 production-run instances running on the respective 4-core subsets, and if so, what are the respective exponents/runtimes? On Galaxy S7 with its hybrid quadcore...
Forum: Lounge 2022-06-01, 18:32
Replies: 30
Views: 2,649
Posted By ewmayer
Good question - I think a good guide is "does the...

Good question - I think a good guide is "does the proposed construction make sense when applied to a similar common-usage word?" E.g. for the 'e'xample, substitute 'weight' for 'effervescence'. We...
Showing results 1 to 25 of 1000

 
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