AMG_CLASSICAL_AGGRESSIVE_CHEB_L1_TRUNC.json

{
    "config_version": 2, 
    "determinism_flag": 1,
    "solver":{
        "scope": "main",
        "solver": "PCG", 
        "store_res_history": 1, 
        "print_solve_stats": 1, 
        "obtain_timings": 1, 
        "preconditioner": {
           "print_grid_stats": 1, 
           "scope": "amg_solver", 
           "interpolator": "D2", 
           "solver": "AMG", 
           "max_levels": 24, 
           "selector": "PMIS", 
           "cycle": "V", 
           "presweeps": 0, 
           "postsweeps": 3,
           "coarsest_sweeps": 2, 
           "min_coarse_rows": 2, 
           "coarse_solver": "NOSOLVER", 
           "max_iters": 1, 
           "max_row_sum": 0.9, 
           "strength_threshold": 0.25, 
           "error_scaling":3,
           "print_grid_stats": 1, 
           "aggressive_levels": 1, 
           "interp_max_elements": 4, 
           "smoother": {
              "relaxation_factor": 0.91, 
              "scope": "jacobi", 
              "solver": "CHEBYSHEV",
              "max_iters": 1,
              "preconditioner" : 
              {
                  "solver": "JACOBI_L1",
                  "max_iters": 1
              },
              "chebyshev_polynomial_order": 2,
              "chebyshev_lambda_estimate_mode": 2
            } 
         },
        "max_iters": 100, 
        "monitor_residual": 1, 
        "convergence": "RELATIVE_INI_CORE", 
        "tolerance": 1e-06, 
        "norm": "L2"
    } 
}