Re: [deal.II] Re: about deal.II with CUDA C programming acceleration

2017-09-20 Thread Denis Davydov
Hi Chih-Che > 21 сент. 2017 г., в 6:33, Chih-Che Chueh написал(а): > > Hi Wolfgang, > > >> I think you are expecting too much of Bruno. He has a day job as well, for >> which he is paid. I think you will need to figure out the installation on >> your system yourself --

Re: [deal.II] Re: about deal.II with CUDA C programming acceleration

2017-09-20 Thread Chih-Che Chueh
Hi Wolfgang, I think you are expecting too much of Bruno. He has a day job as well, for > which he is paid. I think you will need to figure out the installation on > your system yourself -- otherwise, Bruno (or any other among us) will be > asked to do so for everyone else on the mailing list

Re: [deal.II] Re: about deal.II with CUDA C programming acceleration

2017-09-20 Thread Wolfgang Bangerth
On 09/20/2017 08:22 PM, Chih-Che Chueh wrote: Our system administrator is busy working on something else so that he is unable to update GNU C in our system through what you advised. But he is able to give you an account so that you can have access to our system. As a result, I am wondering

Re: [deal.II] Re: about deal.II with CUDA C programming acceleration

2017-09-20 Thread Denis Davydov
deal.II in Spack is being extended for CUDA https://github.com/LLNL/spack/pull/5402 Builds ok on Ubuntu PC with gcc 5.4.0. Chih-Che, if you still have issues, you might want to try this out. Regards, Denis. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum

[deal.II] Re: EigenValue Problem

2017-09-20 Thread Nitish Anand
Thanks, Denis and Jean. Increasing the quadrature order did help me remove this error. On Wednesday, September 20, 2017 at 12:21:44 AM UTC+2, Denis Davydov wrote: > > Jean-Paul is right. Most likely you don't adjust the quadrature order > which breaks LU factorization of the mass matrix, used

Re: [deal.II] PETScWrappers::SparseDirectMUMPS use in parallel version of step-22

2017-09-20 Thread Anna Avdeeva
Dear Timo, The main reason I do this is that I do not understand how to reuse this decomposition in deal.ii. I am relatively new to deal.ii and C++, and I have never used MUMPS before. The way I set it up with SparseDirectUMFPACK was to use InnerPreconditioner structure: template struct