Diagonal test problem: NEQ = 40 parameter alpha = 10.000 ydot_i = -alpha*i * y_i (i = 1,...,NEQ) RTOL, ATOL = 0.1E-04 0.1E-09 Method is BDF/NEWTON/SPGMR Diagonal preconditioner uses approximate Jacobian Number of processors = 4 Preconditioning on left t = 0.10E+00 no. steps = 221 no. f-s = 262 t = 0.20E+00 no. steps = 265 no. f-s = 308 t = 0.30E+00 no. steps = 290 no. f-s = 334 t = 0.40E+00 no. steps = 306 no. f-s = 351 t = 0.50E+00 no. steps = 319 no. f-s = 365 t = 0.60E+00 no. steps = 329 no. f-s = 375 t = 0.70E+00 no. steps = 339 no. f-s = 385 t = 0.80E+00 no. steps = 346 no. f-s = 393 t = 0.90E+00 no. steps = 351 no. f-s = 400 t = 0.10E+01 no. steps = 355 no. f-s = 404 Max. absolute error is 0.15E-07 Final statistics: number of steps = 355 number of f evals. = 404 number of prec. setups = 37 number of prec. evals. = 7 number of prec. solves = 727 number of nonl. iters. = 400 number of lin. iters. = 367 average Krylov subspace dimension (NLI/NNI) = 0.9175 number of conv. failures.. nonlinear = 0 linear = 0 number of error test failures = 5 ------------------------------------------------------------ Preconditioning on right t = 0.10E+00 no. steps = 221 no. f-s = 262 t = 0.20E+00 no. steps = 265 no. f-s = 308 t = 0.30E+00 no. steps = 290 no. f-s = 334 t = 0.40E+00 no. steps = 306 no. f-s = 351 t = 0.50E+00 no. steps = 319 no. f-s = 365 t = 0.60E+00 no. steps = 329 no. f-s = 375 t = 0.70E+00 no. steps = 339 no. f-s = 385 t = 0.80E+00 no. steps = 345 no. f-s = 392 t = 0.90E+00 no. steps = 352 no. f-s = 399 t = 0.10E+01 no. steps = 358 no. f-s = 405 Max. absolute error is 0.21E-08 Final statistics: number of steps = 358 number of f evals. = 405 number of prec. setups = 36 number of prec. evals. = 6 number of prec. solves = 730 number of nonl. iters. = 401 number of lin. iters. = 367 average Krylov subspace dimension (NLI/NNI) = 0.9152 number of conv. failures.. nonlinear = 0 linear = 0 number of error test failures = 5