Solve a system with two processors

2007-01-09 Thread Isabel Gil
Hello PETSc's users! I have a problem with my parallel program. If I run it with only one processor (mpirun -np 1...), everything is all right but if I use 2 processors (mpi -np 2...), the problem appears. When I want to solve my matricial system through a solver, after having created my matric

Solve a system with two processors

2007-01-09 Thread Barry Smith
Isa, The PETSc solvers are all deadlock free, this means that if used with a proper MPI implementation it will never deadlock inside the solvers. The easiest way (and best and the one you should use) to determine what is causing the problem is to use the additional option -start_in_debugger