CUDALucas reporting 'primes'

kenny3 · 2015-05-29, 02:46

As the title suggests im having problems with every number that I run LL on comes back as reporting its prime anyone know any fix for this?

ET_ · 2015-05-29, 11:24

Quote:

Originally Posted by kenny3

As the title suggests im having problems with every number that I run LL on comes back as reporting its prime anyone know any fix for this?

Start with telling us on which OS you are working, which version of CUDaLucas, what drivers/Toolkit you installed, and show us result line of your program: odds are that the residue has been wrongly set to 0000.

kenny3 · 2015-05-30, 02:59

Im using windows 8.1 pro, cudalucas 2.05.1 for CUDA 4.2 and using nVida driver 350.12 for GeForce GTX 960 the results file from these tests will be attached

owftheevil · 2015-05-30, 13:08

Try the version for cuda 6.5 instead. That card really wants cuda 7.0, but we don't have that version up yet.

kenny3 · 2015-05-31, 09:26

Quote:

Originally Posted by owftheevil

Try the version for cuda 6.5 instead. That card really wants cuda 7.0, but we don't have that version up yet.

I cant seem to find the cudart.dll or the cufft.dll for any version of CUDA but version 4.2

kladner · 2015-05-31, 11:22

Quote:

Originally Posted by kenny3

I cant seem to find the cudart.dll or the cufft.dll for any version of CUDA but version 4.2

I think they are all here:
http://sourceforge.net/projects/cuda...s/CUDA%20Libs/

2015-05-29, 02:46	#1
kenny3 May 2015 2³ Posts	CUDALucas reporting 'primes' As the title suggests im having problems with every number that I run LL on comes back as reporting its prime anyone know any fix for this?

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2015-05-30, 13:08	#4
owftheevil "Carl Darby" Oct 2012 Spring Mountains, Nevada 3²·5·7 Posts	Try the version for cuda 6.5 instead. That card really wants cuda 7.0, but we don't have that version up yet.