
Starting integration of the FORWARD problem


 BRUSSELATOR: chemically reacting system

Number of species ns: 2     Mesh dimensions: 42 x 42
Total system size: 3528
Subgrid dimensions: 21 x 21     Processor array: 2 x 2
Tolerance parameters:  rtol = 1e-05   atol = 1e-05
Linear solver: IDASPGMR     Max. Krylov dimension maxl: 16
Preconditioner: band-block-diagonal (IDABBDPRE), with parameters
     mudq = 42,  mldq = 42,  mukeep = 2,  mlkeep = 2
-----------------------------------------------------------
  t        bottom-left  top-right    | nst  k      h
-----------------------------------------------------------

1.00e+00   2.6132e-01   3.0982e+00   | 154  5   1.1112e-02
           1.9993e+00   1.0125e+00   |

-----------------------------------------------------------

Final statistics: 

Number of steps                    = 154
Number of residual evaluations     = 392
Number of nonlinear iterations     = 174
Number of error test failures      = 2
Number of nonlinear conv. failures = 0

Number of linear iterations        = 216
Number of linear conv. failures    = 0

Number of preconditioner setups    = 17
Number of preconditioner solves    = 392
Number of local residual evals.    = 1462

		 BACKWARD problem
-----------------------------------------------------------

Final statistics: 

Number of steps                    = 99
Number of residual evaluations     = 268
Number of nonlinear iterations     = 118
Number of error test failures      = 0
Number of nonlinear conv. failures = 0

Number of linear iterations        = 150
Number of linear conv. failures    = 0

Number of preconditioner setups    = 16
Number of preconditioner solves    = 268
Number of local residual evals.    = 1376
