Re: [petsc-users] Evaluation of Hybrid solvers ... test matrices

2018-03-11 Thread Matthew Knepley
On Mon, Mar 12, 2018 at 12:13 AM, Afrah Najib wrote: > Dir dirs, > > I am working on evaluation of hybrid solvers including PDSLin which us > Krylov method of PETSc as a dependency but I did not find the matrices used > for evaluating these solvers used in literature

Re: [petsc-users] error regarding filling section fields

2018-03-11 Thread Matthew Knepley
On Sun, Mar 11, 2018 at 10:39 PM, Mohammad Hassan Baghaei < mhbagh...@mail.sjtu.edu.cn> wrote: > Hi > > I am trying to fill the global vector . Using single processor, it works > fine. However, switching to several processors, I get the error regarding > the section offset out of range for

[petsc-users] error regarding filling section fields

2018-03-11 Thread Mohammad Hassan Baghaei
Hi I am trying to fill the global vector . Using single processor, it works fine. However, switching to several processors, I get the error regarding the section offset out of range for several points. The short of error message is below. Can you let me know what causes the offset to become [0,0(

[petsc-users] Evaluation of Hybrid solvers ... test matrices

2018-03-11 Thread Afrah Najib
Dir dirs, I am working on evaluation of hybrid solvers including PDSLin which us Krylov method of PETSc as a dependency but I did not find the matrices used for evaluating these solvers used in literature namely, Matrix211 , Tdr455k ,Tdr190kI ... they seem not to be publically available , Do

Re: [petsc-users] Tweaking my code for CUDA

2018-03-11 Thread Matthew Knepley
On Fri, Mar 9, 2018 at 3:05 AM, Manuel Valera wrote: > Hello all, > > I am working on porting a linear solver into GPUs for timing purposes, so > far i've been able to compile and run the CUSP libraries and compile PETSc > to be used with CUSP and ViennaCL, after the

Re: [petsc-users] PCLU diverges where PCILU converges on Dense Matrix

2018-03-11 Thread Matthew Knepley
On Sun, Mar 11, 2018 at 1:14 AM, Smith, Barry F. wrote: > > 1) Run the problem with -ksp_view_mat and -ksp_view_rhs and mail > petsc-ma...@mcs.anl.gov the resulting file produced called binaryoutput > >2) By default PCLU does a reordering to reduce fill that could >