russell_sparse 1.15.0

Solvers for large sparse linear systems (wraps MUMPS and UMFPACK)
Documentation 
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{
  "main": {
    "platform": "Russell",
    "blas_lib": "Intel MKL",
    "solver": "MUMPS-local"
  },
  "matrix": {
    "name": "pre2",
    "nrow": 659033,
    "ncol": 659033,
    "nnz": 5959282,
    "complex": false,
    "symmetric": "No"
  },
  "requests": {
    "ordering": "Auto",
    "scaling": "Auto",
    "mumps_num_threads": 0
  },
  "output": {
    "effective_ordering": "Metis",
    "effective_scaling": "Unknown",
    "effective_mumps_num_threads": 0,
    "openmp_num_threads": 24,
    "umfpack_strategy": "Unknown",
    "umfpack_rcond_estimate": 0.0
  },
  "determinant": {
    "mantissa_real": 0.0,
    "mantissa_imag": 0.0,
    "base": 2.0,
    "exponent": 0.0
  },
  "verify": {
    "max_abs_a": 14777170000.0,
    "max_abs_ax": 1.0001269755885005,
    "max_abs_diff": 0.00012697558850049973,
    "relative_error": 8.592686454301266e-15
  },
  "time_human": {
    "read_matrix": "416.391837ms",
    "initialize": "3.161448258s",
    "factorize": "1.549359102s",
    "solve": "100.797814ms",
    "total_ifs": "4.811605174s",
    "verify": "8.615142ms"
  },
  "time_nanoseconds": {
    "read_matrix": 416391837,
    "initialize": 3161448258,
    "factorize": 1549359102,
    "solve": 100797814,
    "total_ifs": 4811605174,
    "verify": 8615142
  },
  "mumps_stats": {
    "inf_norm_a": 29554340040.0,
    "inf_norm_x": 10530698777156.197,
    "scaled_residual": 4.079827286434603e-28,
    "backward_error_omega1": 1.0756388146249521e-16,
    "backward_error_omega2": 1.0868998200953462e-20,
    "normalized_delta_x": 0.0,
    "condition_number1": 0.0,
    "condition_number2": 0.0
  }
}