{
  "cg_none": {
    "iterations": 116,
    "final_relres": 6.666547523655469e-11,
    "relerr_vs_spsolve": 5.399549032265174e-12,
    "converged": true
  },
  "npo_fcg": {
    "iterations": 30,
    "final_relres": 7.16211582652798e-11,
    "relerr_vs_spsolve": 3.09601819787218e-11,
    "converged": true
  },
  "npo_pcg": {
    "iterations": 2000,
    "final_relres": 9.653441796885143e-06,
    "relerr_vs_spsolve": 6.651672248139702e-06,
    "converged": false
  },
  "speedup_fcg_vs_cg": 3.8666666666666667,
  "tol": 1e-10,
  "maxiter": 2000,
  "problem": "poisson_2d(32), b = grf_rhs(32, alpha=2, tau=3, seed=42)"
}