solve_constraints
optimizing for argument u (121) with drop tolerance 1e-15
solving 21 dof system to machine precision using arnoldi solver
constructing symmetric direct preconditioner
matrix is diagonally dominant, solving as SPD
peak memory use 148k
residual decreased by 16.1 orders using 0 krylov vectors
residual decreased by 0.1 orders using 1 krylov vectors
solver returned with residual 3e-17
residual norm: 3.4e-17
optimal value: 4.3e-10
constrained 21 degrees of freedom of u
solve
solving for argument u (121) using direct method
solving 100 dof system to machine precision using arnoldi solver
constructing direct preconditioner
residual decreased by 15.0 orders using 0 krylov vectors
residual decreased by 0.1 orders using 1 krylov vectors
residual decreased by 0.0 orders using 2 krylov vectors
solver returned with residual 2e-15
residual norm: 1.7e-15
