Re: [deal.II] Monolithic nonlinear system of equations

2021-09-04 Thread Wolfgang Bangerth
On 9/3/21 5:31 PM, saikat mukherjee wrote: I am looking for some tutorials on solving a time dependent, nonlinear system of equations monolithically, in parallel using deal.ii. I am using Trilinos and p4est for the parallel mesh and linear solvers. I tried solving using some of the examples b

Re: [deal.II] Step-69 : Parallel execution on 4 nodes

2021-09-04 Thread Wolfgang Bangerth
On 9/3/21 7:49 PM, Nicholas Yue wrote: The file system I am mounting via NFS is an ordinary Linux file system, it is not a HPC parallel filesystems like Lustre or anything like them. I tried commenting out the call to check-pointing as you suggested and was able to run the code on 4 node (each

Re: [deal.II] Re: Problem compiling deal_ii with PETSc

2021-09-04 Thread Thang W Pham
Dear Prof. Wolfgang, Actually, I am not familiar with candi at all. I am using WSL on Windows 10 and the lib works perfectly until I have to install Trilinos (for step-17 and later use). Should I uninstall OpenMPI or MPICH instead? According to this link

Re: [deal.II] Re: Problem compiling deal_ii with PETSc

2021-09-04 Thread Thang W Pham
Dear Prof. Wolgang, Actually, I am not familiar with candi at all. I am using WSL on Windows 10 and the lib works perfectly until I have to install Trilinos (for step-17 and later use). Should I uninstall OpenMPI or MPICH instead? According to this link

Re: [deal.II] Re: Problem compiling deal_ii with PETSc

2021-09-04 Thread Wolfgang Bangerth
On 9/3/21 8:58 PM, Thang W Pham wrote: And then when I test the library with step-17 tutorial, here is the error: PETSc Error --- Application was linked against both OpenMPI and MPICH based MPI libraries and will not run correctly . The description of the error provided by PETSc is "MPI lib