Forum: Lounge
2021-03-07, 09:30
|
|
Replies: 1,326
Views: 98,408
|
|
Forum: Miscellaneous Math
2021-03-06, 14:50
|
|
Replies: 13
Views: 449
TF depth decisions in GIMPS are properly made...
TF depth decisions in GIMPS are properly made based on relative performance of TF, P-1, and PRP on the device doing the TF, which should whenever practical be a GPU, with high TF performance relative...
|
|
Forum: Miscellaneous Math
2021-03-05, 23:33
|
|
Replies: 10
Views: 263
|
|
Forum: Science & Technology
2021-03-05, 20:57
|
|
Replies: 88
Views: 6,574
Location and tree blockage makes a big...
Location and tree blockage makes a big difference. Here, in Wisconsin, utility rate is $0.12/kwhr, available solar to capture is lower, and as of last week 3 emerald-ash-borer-damaged trees that...
|
|
Forum: Hardware
2021-03-05, 20:36
|
|
Replies: 166
Views: 16,585
|
|
Forum: Lounge
2021-03-05, 17:26
|
|
Replies: 1,342
Views: 82,815
"if a tire has a maximum load capacity of 2,000...
"if a tire has a maximum load capacity of 2,000 pounds, but normally carries only 750 pounds, doubling the load to 1,500 pounds is approaching the design limit. Here the traction may only increase...
|
|
Forum: Science & Technology
2021-03-04, 19:32
|
|
Replies: 88
Views: 6,574
The past decade has changed the numbers a LOT....
The past decade has changed the numbers a LOT. https://pv-magazine-usa.com/2019/12/20/utility-scale-solar-power-as-cheap-as-75%C2%A2-per-watt-says-government-researchers/
Average annual solar energy...
|
|
Forum: Lounge
2021-03-04, 19:04
|
|
Replies: 1,342
Views: 82,815
|
|
Forum: Lounge
2021-03-04, 17:53
|
|
Replies: 1,342
Views: 82,815
F=ma again.
Air drag and rolling resistance...
F=ma again.
Air drag and rolling resistance help after the driver stops applying power to sustain speed, but are minor contributions.
If the limit is tire skid or ABS performance, vehicle load...
|
|
Forum: Lounge
2021-03-04, 08:58
|
|
Replies: 1,342
Views: 82,815
F=ma
Curb weight 4800 lb empty; ~5000 with a...
F=ma
Curb weight 4800 lb empty; ~5000 with a driver
Available acceleration force = rear differential output torque divided by effective tire radius. Torque available won't change with increased...
|
|
Forum: chalsall
2021-03-03, 14:35
|
|
Replies: 10
Views: 363
It's not clear which problem you're facing,...
It's not clear which problem you're facing, server hosted application scaling, or wireless access scaling. The following assumes the latter.
How many limits are there? At least:
Access point...
|
|
Forum: Miscellaneous Math
2021-03-03, 13:19
|
|
Replies: 13
Views: 449
The P-1 factoring done on...
The P-1 factoring done on https://www.mersenne.ca/exponent/108377323 is quite inadequate. It looks like curtisc has systems with prime95 default memory settings preventing stage 2 P-1. Doing adequate...
|
|
Forum: GpuOwl
2021-03-03, 01:11
|
|
Replies: 27
Views: 5,443
gpuowl-win v7.2-69-g23c14a1
As usual, build-log.txt separate, everything else in the compressed file. Have not tested it much myself, only generating the help output to a file, and continuing a large-exponent P-1 stage 2...
|
|
Forum: Lounge
2021-03-02, 23:37
|
|
Replies: 1,682
Views: 139,773
|
|
Forum: PrimeNet
2021-03-02, 22:45
|
|
Replies: 8
Views: 295
|
|
Forum: PrimeNet
2021-03-02, 17:05
|
|
Replies: 8
Views: 295
Probably yes, but it depends on what hardware,...
Probably yes, but it depends on what hardware, software, assignment mechanism & possibly OS combination(s) you're asking about, and have not indicated. (If you're planning cpu TF, please leave that...
|
|
Forum: Forum Feedback
2021-03-02, 03:36
|
|
Replies: 18
Views: 571
LL with shift
Consider OP, that there may be unclarity or error in your thinking, programming, and communication. As there may be in mine, after having long ago written LL code (without floating point, without...
|
|
Forum: kriesel
2021-03-02, 03:21
|
|
Replies: 12
Views: 4,988
LL with shift
(draft)
Think of the primality testing software's math routines as an emulation of a very wide word calculator. It dynamically adjusts to p bits width.
1) All the LL tests should use the same...
|
|
Forum: Soap Box
2021-03-01, 23:06
|
|
Replies: 25
Views: 1,567
|
|
Forum: Soap Box
2021-03-01, 17:08
|
|
Replies: 25
Views: 1,567
Right to reverse a firmware "upgrade"
Epson, not content with a dominant grip on the world inkjet printer market, or 7% compound annual growth rate of the printer market, also wants to monopolize printer ink. A firmware upgrade of...
|
|
Forum: GpuOwl
2021-02-27, 17:57
|
|
Replies: 27
Views: 5,443
gpuowl-win v7.2-63-ge47361b
As usual, build-log.txt separate, everything else in the compressed file.Have somewhat tested it myself, only generating the help output to a file, and running a test 58M PRP in lieu of LLDC that...
|
|
Forum: Cloud Computing
2021-02-27, 15:52
|
|
Replies: 42
Views: 1,598
|
|
Forum: Cloud Computing
2021-02-26, 19:33
|
|
Replies: 42
Views: 1,598
Ooppss
Quadro 2000 (https://www.techpowerup.com/gpu-specs/quadro-2000.c900) and 4000 while designed for pro use do not have ECC; Quadro 5000 (https://www.techpowerup.com/gpu-specs/quadro-5000.c897) has ECC...
|
|
Forum: Cloud Computing
2021-02-26, 17:45
|
|
Replies: 42
Views: 1,598
|
|
Forum: Cloud Computing
2021-02-26, 12:21
|
|
Replies: 42
Views: 1,598
Manual submission for the gpuowl case yielded...
Manual submission for the gpuowl case yielded this response on https://www.mersenne.org/manual_result/:
processing: PRP (not-prime) for M58834309 (https://www.mersenne.org/M58834309)
Result type...
|
