Forum: PrimeNet
2017-02-24, 06:57
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Replies: 71
Views: 13,404
Tnx to Madpoo
Thanks a lot for all your work and improvements, finder of the great M49, ruler of the DB. :bow:
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Forum: PrimeNet
2017-02-23, 21:59
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Replies: 71
Views: 13,404
I am still using it and it has broken: ...
I am still using it and it has broken:
20170223_215245 INFO: Submission spider starting...
20170223_215245 INFO: Attempting to log into PrimeNet. This can take a little while...
20170223_215245...
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Forum: Marin's Mersenne-aries
2016-04-11, 05:01
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Replies: 1,841
Views: 114,483
48000619 - Verified?
Sorry if I'm in the wrong thread but is 48000619 (http://www.mersenne.org/report_exponent/?exp_lo=48000619&full=1) really verified as it says?
I did 2 tests on my own, Titan 1 and Titan 2. 1x with...
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Forum: GPU Computing
2016-03-25, 10:53
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Replies: 30
Views: 10,950
Titan's Best Choice
I'd like to exchange experiences with the (classic) Nvidia GTX Titan (GK110): Hardware settings only.
I'm trying to get an overview of the best stable setting for running CUDALucas, mainly for the...
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Forum: GPU Computing
2016-02-19, 06:30
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Replies: 13
Views: 4,160
cufftbench
Quick runs with 6.5 / 7.5, may need more samples
6.5:
CUDALucas2.05.1-CUDA6.5-Windows-x64.exe -cufftbench 4096 8192 2
Device GeForce GTX TITAN
Compatibility 3.5
clockRate...
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Forum: GPU Computing
2016-02-19, 05:53
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Replies: 13
Views: 4,160
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Forum: GPU Computing
2016-02-18, 23:08
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Replies: 13
Views: 4,160
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Forum: GPU Computing
2016-02-18, 07:23
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Replies: 13
Views: 4,160
DIY
Old Version from 2012 (out-dated):
The upper HowTo from 2012 is out-dated. I will probably soon setup a new Windows Make environment - this is one current way, Taken from CUDALucas README.txt:...
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Forum: GPU Computing
2016-02-16, 22:50
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Replies: 13
Views: 4,160
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Forum: GPU Computing
2016-02-16, 22:45
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Replies: 13
Views: 4,160
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Forum: GPU Computing
2016-02-02, 20:45
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Replies: 2,832
Views: 247,048
When testing my first Titan I couldn't run CL...
When testing my first Titan I couldn't run CL without wrong residues. Another user found out that downclocking the memory clock solves the problem. I'm successfully running for several years now on...
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Forum: Hardware
2016-01-16, 14:03
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Replies: 3
Views: 452
Power Supply or RAM
If it has always been stable before and does now fail without any change I would think of the power supply. I had a stable system which suddenly started with sporadic errors shown in Prime95. This...
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Forum: Hardware
2015-11-23, 20:11
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Replies: 16
Views: 2,347
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Forum: Hardware
2015-11-22, 12:42
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Replies: 16
Views: 2,347
All good
Ehmm, I'm not directly looking for a solution/help. (But: If you have one, tell us.) As far as I have understood it there is no solution by design and/or Nvidia is not interested in doing something....
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Forum: Hardware
2015-11-22, 09:11
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Replies: 16
Views: 2,347
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Forum: GPU Computing
2015-10-25, 15:39
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Replies: 20
Views: 3,957
GPU Computing Cheat Sheet 1.1.0
Find attached
GPU Computing Cheat Sheet 1.1.0
(http://www.mersenneforum.org/attachments/pdfs/GIMPS_GPU_Computing_Cheat_Sheet.pdf)
Change history for 1.1.0:
mfaktc 0.21, mfacto 0.14,...
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Forum: GPU Computing
2013-05-08, 05:28
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Replies: 27
Views: 4,460
Double Precision
http://www.hardwareluxx.de/images/stories/galleries/reviews/2013/geforce-titan/cuda-dp-activation-rs.jpg
See bottom for explanation: "Beschreibung". "Enables more..."
Good for CUDALucas...
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Forum: GPU Computing
2013-03-16, 16:57
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Replies: 295
Views: 26,104
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Forum: GPU Computing
2013-03-16, 16:27
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Replies: 295
Views: 26,104
Efficiency table: FFT length and Titan
Okay, here a very first result file. Windows/Excel CSV format, no comments please. ;-)
Sorted descending by efficiency. Single cufftbench run on my Titan. Only 1M-16M fft length.
I will do more...
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Forum: GPU Computing
2013-03-14, 21:48
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Replies: 2,832
Views: 247,048
I think Aaronhaviland did this with the...
I think Aaronhaviland did this with the cufftbench option.
I will do the same and normalize the timings by FFT length / time.
Raw data that will be used can be found in this Titan's thread post...
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Forum: GPU Computing
2013-03-14, 21:42
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Replies: 295
Views: 26,104
Efficient FFT length
In preparation for a new table with efficient FFT lengths I ran the CUDALucas cufftbench on a 810MHz/2500MHz Titan. It's the raw output I will process and filter the next days. Remind that the bench...
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Forum: GPU Computing
2013-03-14, 19:32
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Replies: 295
Views: 26,104
100M
2500MHz VRAM = 2070h:
E:\Eigene Dateien\Computing\CUDALucas\2.03\D0>CUDALucas-2.03-5.0-sm_35-x64.exe -threads 512 -f 20971520 -t 332192831
Warning: No ini file detected. Using defaults for...
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Forum: GPU Computing
2013-03-13, 21:07
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Replies: 2,832
Views: 247,048
Efficiency formula
I'd like to have a formula that computes an efficiency score between 0 and 100% for a given FFT length like Aaron did. Any suggestions? Aaron, can you post yours?
Thoughts:
- measure FFT lengths...
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Forum: GPU Computing
2013-03-12, 21:17
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Replies: 753
Views: 79,768
No Windows compile
I cannot compile for Windows for at least 2 reasons:
- #include <gmp.h> fails. Changed to "gmp.h" but I have no Windows GMP library, only the header file gmp.h
- #include <cuda_safecalls.h> fails...
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Forum: GPU to 72
2013-03-12, 06:27
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Replies: 25
Views: 2,841
rofl
Saved my day. :missingteeth:
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