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Search: Posts Made By: kriesel
Forum: Software 2020-09-30, 16:27
Replies: 376
Sticky: Prime95 v30.3
Views: 19,301
Posted By kriesel
It's worth thinking about the pros and cons. ...

It's worth thinking about the pros and cons.
Reliability data versus exponent on LL will show the effectiveness of the current error detection methods including Jacobi check.

Version upgrade is...
Forum: Marin's Mersenne-aries 2020-09-30, 15:02
Replies: 729
Views: 27,408
Posted By kriesel
Reserved 55842469; P-1 running now. If NF, expect...

Reserved 55842469; P-1 running now. If NF, expect DC done Oct 2. ECC ram workstation prime95 V30.3b6.
Forum: Software 2020-09-29, 18:53
Replies: 376
Sticky: Prime95 v30.3
Views: 19,301
Posted By kriesel
Maybe. On average it will take ~1.04 LL to...

Maybe. On average it will take ~1.04 LL to confirm a first LL, due to error rate, but only ~1.01 PRP equivalent with the effort of a CERT.

I wonder what it does with CUDALucas results or Gpuowl...
Forum: Hardware 2020-09-29, 18:46
Replies: 4
Views: 387
Posted By kriesel
OMG that's criminal gpu abuse verging on...

OMG that's criminal gpu abuse verging on premeditated cardicide.
Forum: GpuOwl 2020-09-29, 12:40
Replies: 37
Views: 989
Posted By kriesel
That's a long list all within 86M-87M exponent....

That's a long list all within 86M-87M exponent. CUDAPm1 practice was to have test exponents using a variety of fft lengths of current and future interest. Bugs only affecting some fft lengths or...
Forum: GpuOwl 2020-09-29, 02:17
Replies: 37
Views: 989
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: 37
Views: 989
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: 255
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: 24,516
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: 255
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: 37
Views: 989
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: 3,323
Views: 211,283
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: 2,194
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: 37
Views: 989
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: 3,337
Views: 285,231
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: 179
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: 44,031
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: 44,031
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: 18,384
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: 240
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: 48,002
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: 240
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: 3,337
Views: 285,231
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: 2,502
Views: 148,988
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: 2,502
Views: 148,988
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...
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