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Search: Posts Made By: kriesel
Forum: GpuOwl 2020-09-29, 02:17
Replies: 26
Views: 669
Posted By kriesel
There's a list of P-1 test candidates with known...

There's a list of P-1 test candidates with known factors and required bounds here. (https://www.mersenneforum.org/showpost.php?p=533168&postcount=31)
I'll add more coverage of the mersenne.org...
Forum: GpuOwl 2020-09-28, 23:19
Replies: 26
Views: 669
Posted By kriesel
There is no need to get rid of a working...

There is no need to get rid of a working installation to run a different version. Just use separate folders and shortcuts.
Forum: Factoring 2020-09-28, 19:04
Replies: 8
Views: 238
Posted By kriesel
Thank you for responding. Ensigm started the...

Thank you for responding. Ensigm started the thread, not me. You replied to him in post 2. I don't recall posing any questions about ECM recently prior to post 3.
I sometimes make factoring runs...
Forum: GPU Computing 2020-09-28, 17:34
Replies: 278
Views: 24,311
Posted By kriesel
Needs testing on same system, clock rates, fft,...

Needs testing on same system, clock rates, fft, and assignment, but a rough estimate is at 5M fft, George Woltman's 510 GhzD/day linux vs my 480 on Win10, ~6%. I haven't seen any posted figures...
Forum: Factoring 2020-09-28, 15:30
Replies: 8
Views: 238
Posted By kriesel
Does software for ECM for Mersenne primes with...

Does software for ECM for Mersenne primes with exponents greater than ~30 bits exist? If so what is it and where is it found? (Mprime/prime95 supports P-1 or ECM with B1 or B2 values >32 bits (4.29G)...
Forum: GpuOwl 2020-09-28, 14:48
Replies: 26
Views: 669
Posted By kriesel
Small fraction of users may be so, but perhaps...

Small fraction of users may be so, but perhaps not as small a fraction of systems/cores/workers. Colab and other cloud computing, for example, which typically have ample available ram, and top...
Forum: Data 2020-09-28, 14:30
Replies: 3,321
Views: 210,962
Posted By kriesel
5 left to 92M first test

https://www.mersenne.org/assignments/?exp_lo=91765997&exp_hi=92000000&execm=1&exp1=1&extf=1&exdchk=1 shows exponents by Friend and Zwen respectively, between 98 & 99% and stalled. An attempt to reach...
Forum: GpuOwl 2020-09-28, 14:09
Replies: 62
Views: 2,151
Posted By kriesel
-maxAlloc is necessary on NVIDIA gpus when...

-maxAlloc is necessary on NVIDIA gpus when running P-1 even with a single instance. Probably a good idea on AMD also. The value following will depend on the number of instances running on the gpu and...
Forum: GpuOwl 2020-09-28, 03:39
Replies: 26
Views: 669
Posted By kriesel
Thanks for that explanation. FYI, no P-1 I run...

Thanks for that explanation.
FYI, no P-1 I run has access to less than 1.5GB per prime95 worker, and that's on old 32bit laptops. Core2 Duo have 4G; other models have 6, 8, 16, 32, 48GB...
Forum: GPU Computing 2020-09-28, 03:11
Replies: 3,334
Views: 284,617
Posted By kriesel
Maybe post 3189...

Maybe post 3189 (https://www.mersenneforum.org/showpost.php?p=525178&postcount=3189)'s attachment will help (also linked to at 3208).
Forum: Hardware 2020-09-27, 21:18
Replies: 7
Views: 175
Posted By kriesel
Check temperatures in the BIOS setup if possible,...

Check temperatures in the BIOS setup if possible, as a fallback when the OS won't load or isn't stable enough to use OS hosted applications to check sensor parameters.
Check whether it needs...
Forum: Lounge 2020-09-27, 18:25
Replies: 1,008
Views: 43,788
Posted By kriesel
space travel in style

Take everyone/everything in the solar system along. Plan for a long duration voyage. https://www.youtube.com/watch?v=v3y8AIEX_dU
Forum: Lounge 2020-09-27, 18:06
Replies: 1,008
Views: 43,788
Posted By kriesel
A few posts lower on that twitter page, fleeing...

A few posts lower on that twitter page, fleeing gave the rocket space to acquire more velocity before impact. Very understandable though. https://twitter.com/i/status/1309511001235046405
Forum: Soap Box 2020-09-27, 17:49
Replies: 330
Views: 18,292
Posted By kriesel
"Progress"... Nope. If I were buying a new...

"Progress"...
Nope.
If I were buying a new oven for example, anything beyond manually controlled heat or perhaps a settable timer is an anti-feature. Even a time of day clock is a nuisance,...
Forum: Software 2020-09-27, 17:41
Replies: 4
Views: 231
Posted By kriesel
Yes. I would. I have Quadro 2000s and newer, and...

Yes. I would. I have Quadro 2000s and newer, and even an ancient NVS295 as a cold last-resort display interface spare. (It can't run with an NVIDIA driver newer than 342, so is incompatible with gpus...
Forum: Lounge 2020-09-27, 17:24
Replies: 1,095
Views: 47,554
Posted By kriesel
It seems strange to me how much energy is spent...

It seems strange to me how much energy is spent in this thread heckling anyone who dares to post a hint of optimism or good news, and how little is spent by so many in posting original material.

A...
Forum: Software 2020-09-26, 22:35
Replies: 4
Views: 231
Posted By kriesel
Thanks for identifying the issue. I've added a...

Thanks for identifying the issue. I've added a caution about it to a reference post https://www.mersenneforum.org/showthread.php?p=488289#post488289.
Expect one factor in about 30 P-1 runs (of both...
Forum: GPU Computing 2020-09-26, 22:23
Replies: 3,334
Views: 284,617
Posted By kriesel
sieveprimes=82485 is consistent with a default...

sieveprimes=82485 is consistent with a default mfaktc.ini.
Did you try any performance tuning?
Forum: GpuOwl 2020-09-26, 18:58
Replies: 2,501
Views: 148,432
Posted By kriesel
Second link includes this text:Nov 2017 V1.9...

Second link includes this text:Nov 2017 V1.9 binaries for Windows http://www.mersenneforum.org/showpos...&postcount=226 (http://www.mersenneforum.org/showpost.php?p=471663&postcount=226)
Jan 2018...
Forum: GpuOwl 2020-09-26, 15:19
Replies: 2,501
Views: 148,432
Posted By kriesel
V1.9 & 1.10 implemented DP, SP, M31, and M61....

V1.9 & 1.10 implemented DP, SP, M31, and M61. It's unlikely to run on NVIDIA though. FFT lengths supported then were 2M, 4M, 8M only IIRC.
https://github.com/preda/gpuowl/blob/NTT/README.md...
Forum: Lounge 2020-09-25, 23:58
Replies: 1,095
Views: 47,554
Posted By kriesel
Why is that? If the summer heat didn't do much to...

Why is that? If the summer heat didn't do much to slow it, a cooldown seems unlikely to boost it much. This article describes weather sensitivities found by various studies:
...
Forum: Lounge 2020-09-25, 23:44
Replies: 1,095
Views: 47,554
Posted By kriesel
Suicide rate was seen to increase related to the...

Suicide rate was seen to increase related to the spanish flu epidemic a century ago. Also in Hong Kong related to SARS in 2003. Effects are projected to last for years. Likely mechanisms are...
Forum: Lounge 2020-09-25, 23:27
Replies: 1,095
Views: 47,554
Posted By kriesel
There are numerous charts by nation of death rate...

There are numerous charts by nation of death rate and excess death rate, about midway down the page at https://www.ft.com/content/a2901ce8-5eb7-4633-b89c-cbdf5b386938
The covid19-attributed excess...
Forum: Lounge 2020-09-25, 23:07
Replies: 1,095
Views: 47,554
Posted By kriesel
That's an odd rebuttal, given that I gave an...

That's an odd rebuttal, given that I gave an example where I did exactly that, and had consequences.
Forum: GpuOwl 2020-09-25, 22:07
Replies: 2,501
Views: 148,432
Posted By kriesel
Yes. HD630<UHD630. Your posted timings...

Yes. HD630<UHD630. Your posted timings extrapolate to 6-7 weeks for one PRP of a wavefront exponent. And it would contend for the TDP and memory bandwidth available for mprime etc on the cpu. Which...
Showing results 1 to 25 of 1000

 
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