agg_cheb4.json

{
    "config_version": 2, 
    "determinism_flag": 1, 
    "solver": {
        "print_grid_stats": 1, 
        "algorithm": "AGGREGATION", 
        "obtain_timings": 1, 
        "error_scaling": 3,
        "solver": "AMG", 
        "smoother": 
        {
            "solver": "CHEBYSHEV",
            "preconditioner" : 
            {
                "solver": "JACOBI_L1",
                "max_iters": 1
            },
            "max_iters": 1,
            "chebyshev_polynomial_order" : 4,
            "chebyshev_lambda_estimate_mode" : 2
        },
        "presweeps": 0, 
        "postsweeps": 1, 
        "print_solve_stats": 1, 
        "selector": "SIZE_8", 
        "coarsest_sweeps": 1, 
        "max_iters": 100, 
        "monitor_residual": 1, 
        "min_coarse_rows": 2, 
        "scope": "main", 
        "max_levels": 50, 
        "convergence": "RELATIVE_INI", 
        "tolerance" : 1e-06, 
        "norm": "L2",
        "cycle": "V"
    }
}