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Search: Posts Made By: kriesel
Forum: Science & Technology 2020-07-12, 23:38
Replies: 12
Views: 41
Posted By kriesel
I think the conversion link you used is without...

I think the conversion link you used is without allowing for engine efficiency. BSFC figures in different units and engine thermal efficiences for an assortment of engines are here...
Forum: Lounge 2020-07-12, 23:12
Replies: 14
Views: 241
Posted By kriesel
You haven't indicated any prior sailing...

You haven't indicated any prior sailing experience. I recommend spending at least a few years in a good sailing club to be sure of your sailing skills if you're serious about betting your life on...
Forum: Lounge 2020-07-12, 22:55
Replies: 14
Views: 241
Posted By kriesel
There are places with no income taxes. If your...

There are places with no income taxes. If your boat and skills are ocean-worthy, you could shop somewhere other than your nominal citizenship. https://en.wikipedia.org/wiki/Cayman_Islands#Taxation
Forum: PrimeNet 2020-07-12, 18:43
Replies: 1,872
Views: 132,086
Posted By kriesel
Over 450 assignments in 93M-94M. The few I...

Over 450 assignments in 93M-94M. The few I checked had already been factored more than enough beforehand.
User is #170 in top 500 of https://www.mersenne.org/report_top_500_tf/
and #485 overall ...
Forum: Science & Technology 2020-07-12, 16:01
Replies: 2
Views: 272
Posted By kriesel
The article is ambiguous about gases producing...

The article is ambiguous about gases producing lines. It's low-pressure gases that emit or absorb sharp lines. High-pressure gases produce continuous spectra.

For calibration,...
Forum: Science & Technology 2020-07-12, 15:23
Replies: 2,758
Views: 152,542
Posted By kriesel
Electricity had potential. I've had similar...

Electricity had potential.

I've had similar discussions with people claiming neutrinos are going to be really useful so high energy physicists should get whatever funding they want and can...
Forum: Science & Technology 2020-07-12, 12:19
Replies: 2,758
Views: 152,542
Posted By kriesel
Even at the speed of light, that corresponds to a...

Even at the speed of light, that corresponds to a very small position increment, around 1015times smaller than a proton.
Of what practical use would be such extreme resolution, other than padding...
Forum: kriesel 2020-07-11, 17:16
Replies: 5
Views: 82
Posted By kriesel
Other possibilities

AMD:
There are reports of running mfakto on AMD igpus, at 45 or over 120 GhzD/day. https://www.mersenneforum.org/showpost.php?p=547866&postcount=1618 ...
Forum: kriesel 2020-07-11, 17:04
Replies: 5
Views: 82
Posted By kriesel
Intel i5-1035G1/UHD920

HWInfo64 v6.28 identifies the IGP on the i5-1035G1 as a UHD920.
OpenCl 2.1 and the Windows 10 OS came preinstalled on the hardware purchased used.
GPU-Z indicates numerous OpenCL parameters in the...
Forum: Science & Technology 2020-07-10, 22:51
Replies: 12
Views: 41
Posted By kriesel
A 1050W array producing 65KWhr/week works out to...

A 1050W array producing 65KWhr/week works out to about 37% of rated opwer, in this near ideal environment with lots of crystalline snow scattering sunlight incident on the surface and illuminating...
Forum: Science & Technology 2020-07-10, 20:31
Replies: 12
Views: 41
Posted By kriesel
Green-Energy Feasibility for the Amundsen-Scott South Pole Station

[EWM - Mod note: Thread split off from here (https://mersenneforum.org/showthread.php?t=24979) as interesting-but-off-topic subdiscussion.]

IIRC, electricity at the South Pole Station is generated...
Forum: Operazione Doppi Mersennes 2020-07-10, 14:41
Replies: 611
Sticky: Results
Views: 40,770
Posted By kriesel
M127 to 135P

ETA to 145P; 185 bits ~September 11. [Thu Jul 09 21:59:37 2020] UID: kriesel/emu/gtx1650, no factor for MM127 in k range: 130P to 135P (185-bit factors) [mmff 0.28 mfaktc_barrett185_M127gs]
Forum: kriesel 2020-07-10, 03:58
Replies: 5
Views: 82
Posted By kriesel
Intel i7-4790/HD4600

Attempts to run mfakto on the HD4600 igp had beenrepeatedly thwarted by conflicts between its OpenCL driver installation and OpenCL driver installations for AMD or for NVIDIA gpus. Getting this igp...
Forum: kriesel 2020-07-10, 03:43
Replies: 5
Views: 82
Posted By kriesel
Intel i7-8750H/UHD630

Mfakto:
Install by unzipping a prebuilt package into a user's working directory. (NOT in Program Files or Windows directory, or system owned space on linux)
Review the mfakto.ini file and make any...
Forum: kriesel 2020-07-10, 03:38
Replies: 5
Views: 82
Posted By kriesel
Intel i7-7500U/HD620

It's possible to run gpuowl on the HD620 igp, but only with very old versions, and it's not worthwhile except as a learning experiment. Running gpuowl subtracts much more throughput from prime95's...
Forum: kriesel 2020-07-10, 02:38
Replies: 5
Views: 82
Posted By kriesel
Integrated graphics processors, how to run GIMPS software on them, and why you may not want to

This thread is intended to hold only reference material specifically for integrated graphics processors, mostly Intel IGPs, which are what I have to experiment with.
(Suggestions are welcome....
Forum: Lounge 2020-07-10, 02:02
Replies: 736
Views: 50,618
Posted By kriesel
That slogan is standing orders at most mass...

That slogan is standing orders at most mass "news" media. Truckloads of partisan propaganda and opinion as if it was fact. Can't decide whether their work product or the expectation of being believed...
Forum: Software 2020-07-09, 19:50
Replies: 6
Views: 174
Posted By kriesel
That is what I called "well hidden" in my WSL1...

That is what I called "well hidden" in my WSL1 experimentation. And files created by one OS might be invisible to the other in the same directory. (Using a Windows editor to create worktodo.txt for...
Forum: kriesel 2020-07-09, 14:04
Replies: 31
Views: 7,811
Posted By kriesel
GPU serial numbers or other stable unique ids

Some gpu models have serial numbers that are electronically readable. Many don't, and for those, serial numbers are just a sticker on the gpu and the box. The details differ between AMD and NVIDIA.
...
Forum: Mlucas 2020-07-09, 03:41
Replies: 53
Views: 5,689
Posted By kriesel
This raises some questions. 100Mdigit exponents...

This raises some questions.
100Mdigit exponents use 18M ffts.
For example, complex FFT radices 36 16 16 32 32
which is 32 2k.
Are they affected too? Have they...
Forum: Marin's Mersenne-aries 2020-07-08, 15:35
Replies: 579
Views: 20,074
Posted By kriesel
TC requested

DoubleCheck=52940827,75,1
A curtisc machine and my AVX512 laptop disagree on res64.
No errors logged on my run; no interim residues available for it.
Forum: GpuOwl 2020-07-08, 00:06
Replies: 5
Views: 481
Posted By kriesel
Gpuowl-win v6.11-340-g41d435f build

As usual, a build-log.txt, and a .7z holding the executable an a few other files
Forum: Lounge 2020-07-07, 04:33
Replies: 951
Views: 36,638
Posted By kriesel
"..roughly 30 per cent of the blood donors who'd...

"..roughly 30 per cent of the blood donors who'd given blood in May 2020 had COVID-19-specific T cells, a figure that's much higher than previous antibody tests have shown."

"81 percent of the...
Forum: Lounge 2020-07-07, 04:22
Replies: 1,420
RIP
Views: 88,826
Posted By kriesel
“To tell you the truth, I am sick and tired of...

“To tell you the truth, I am sick and tired of politics.” https://www.thewrap.com/charlie-daniels-says-hes-sick-and-tired-of-politics-calls-out-trumps-acerbic-rhetoric/
Me too.
His open letter...
Forum: Lounge 2020-07-07, 03:08
Replies: 1,420
RIP
Views: 88,826
Posted By kriesel
Seems like a sample of a musician's work in...

Seems like a sample of a musician's work in concert would meet that exception's requirements.
Showing results 1 to 25 of 1000

 
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