Residual norms for sys_fieldsplit_1_ solve. 0 KSP unpreconditioned resid norm 2.329445931699e-02 true resid norm 2.329445931699e-02 ||r(i)||/||b|| 1.000000000000e+00 1 KSP unpreconditioned resid norm 4.700555179055e-03 true resid norm 4.700555179055e-03 ||r(i)||/||b|| 2.017885504485e-01 2 KSP unpreconditioned resid norm 2.504284781652e-03 true resid norm 2.504284781652e-03 ||r(i)||/||b|| 1.075055981156e-01 3 KSP unpreconditioned resid norm 1.548385345427e-03 true resid norm 1.548385345427e-03 ||r(i)||/||b|| 6.647011310102e-02 4 KSP unpreconditioned resid norm 1.185433994190e-03 true resid norm 1.185433994190e-03 ||r(i)||/||b|| 5.088909676152e-02 5 KSP unpreconditioned resid norm 9.736134760311e-04 true resid norm 9.736134760311e-04 ||r(i)||/||b|| 4.179592506451e-02 6 KSP unpreconditioned resid norm 7.599856607909e-04 true resid norm 7.599856607909e-04 ||r(i)||/||b|| 3.262516851965e-02 7 KSP unpreconditioned resid norm 6.649921584603e-04 true resid norm 6.649921584603e-04 ||r(i)||/||b|| 2.854722444557e-02 8 KSP unpreconditioned resid norm 6.244697584952e-04 true resid norm 6.244697584952e-04 ||r(i)||/||b|| 2.680765198271e-02 9 KSP unpreconditioned resid norm 6.183449842372e-04 true resid norm 6.183449842372e-04 ||r(i)||/||b|| 2.654472361101e-02 10 KSP unpreconditioned resid norm 6.183189124694e-04 true resid norm 6.183189124694e-04 ||r(i)||/||b|| 2.654360438486e-02 11 KSP unpreconditioned resid norm 6.171807086851e-04 true resid norm 6.171807086851e-04 ||r(i)||/||b|| 2.649474281788e-02 12 KSP unpreconditioned resid norm 6.171734494713e-04 true resid norm 6.171734494713e-04 ||r(i)||/||b|| 2.649443118953e-02 13 KSP unpreconditioned resid norm 6.169667908868e-04 true resid norm 6.169667908868e-04 ||r(i)||/||b|| 2.648555961275e-02 14 KSP unpreconditioned resid norm 6.155455175681e-04 true resid norm 6.155455175681e-04 ||r(i)||/||b|| 2.642454624904e-02 15 KSP unpreconditioned resid norm 6.151373030407e-04 true resid norm 6.151373030407e-04 ||r(i)||/||b|| 2.640702214505e-02 16 KSP unpreconditioned resid norm 6.119684995285e-04 true resid norm 6.119684995284e-04 ||r(i)||/||b|| 2.627098964612e-02 17 KSP unpreconditioned resid norm 6.119393396853e-04 true resid norm 6.119393396853e-04 ||r(i)||/||b|| 2.626973785303e-02 18 KSP unpreconditioned resid norm 6.112801764194e-04 true resid norm 6.112801764194e-04 ||r(i)||/||b|| 2.624144085515e-02 19 KSP unpreconditioned resid norm 6.090917259758e-04 true resid norm 6.090917259758e-04 ||r(i)||/||b|| 2.614749360298e-02 20 KSP unpreconditioned resid norm 6.013241994943e-04 true resid norm 6.013241994948e-04 ||r(i)||/||b|| 2.581404407426e-02 21 KSP unpreconditioned resid norm 5.784484204102e-04 true resid norm 5.784484204105e-04 ||r(i)||/||b|| 2.483201745699e-02 22 KSP unpreconditioned resid norm 5.670681135856e-04 true resid norm 5.670681135869e-04 ||r(i)||/||b|| 2.434347609749e-02 23 KSP unpreconditioned resid norm 5.663263244836e-04 true resid norm 5.663263244865e-04 ||r(i)||/||b|| 2.431163208298e-02 24 KSP unpreconditioned resid norm 5.639247901568e-04 true resid norm 5.639247901566e-04 ||r(i)||/||b|| 2.420853742441e-02 25 KSP unpreconditioned resid norm 5.609027858021e-04 true resid norm 5.609027857967e-04 ||r(i)||/||b|| 2.407880681685e-02 26 KSP unpreconditioned resid norm 5.581864420259e-04 true resid norm 5.581864420104e-04 ||r(i)||/||b|| 2.396219780913e-02 27 KSP unpreconditioned resid norm 5.529100266484e-04 true resid norm 5.529100265651e-04 ||r(i)||/||b|| 2.373568834722e-02 28 KSP unpreconditioned resid norm 5.407010823492e-04 true resid norm 5.407010826492e-04 ||r(i)||/||b|| 2.321157470501e-02 29 KSP unpreconditioned resid norm 5.299205915207e-04 true resid norm 5.299205889680e-04 ||r(i)||/||b|| 2.274878252192e-02 30 KSP unpreconditioned resid norm 5.280048508651e-04 true resid norm 5.280048508651e-04 ||r(i)||/||b|| 2.266654244600e-02 31 KSP unpreconditioned resid norm 5.280018963992e-04 true resid norm 5.280018911955e-04 ||r(i)||/||b|| 2.266641539134e-02 32 KSP unpreconditioned resid norm 5.279903099224e-04 true resid norm 5.279903149961e-04 ||r(i)||/||b|| 2.266591844057e-02 33 KSP unpreconditioned resid norm 5.279781649153e-04 true resid norm 5.279781664896e-04 ||r(i)||/||b|| 2.266539692143e-02 34 KSP unpreconditioned resid norm 5.279751414636e-04 true resid norm 5.279751470520e-04 ||r(i)||/||b|| 2.266526730101e-02 35 KSP unpreconditioned resid norm 5.279097835925e-04 true resid norm 5.279097823909e-04 ||r(i)||/||b|| 2.266246128348e-02 36 KSP unpreconditioned resid norm 5.277621810688e-04 true resid norm 5.277621839407e-04 ||r(i)||/||b|| 2.265612507931e-02 37 KSP unpreconditioned resid norm 5.277617368432e-04 true resid norm 5.277617376326e-04 ||r(i)||/||b|| 2.265610591990e-02 38 KSP unpreconditioned resid norm 5.275494976601e-04 true resid norm 5.275495017109e-04 ||r(i)||/||b|| 2.264699491549e-02 39 KSP unpreconditioned resid norm 5.275291958997e-04 true resid norm 5.275291923418e-04 ||r(i)||/||b|| 2.264612306142e-02 40 KSP unpreconditioned resid norm 5.272160387816e-04 true resid norm 5.272160427968e-04 ||r(i)||/||b|| 2.263267997005e-02 41 KSP unpreconditioned resid norm 5.269624410347e-04 true resid norm 5.269624440514e-04 ||r(i)||/||b|| 2.262179331491e-02 42 KSP unpreconditioned resid norm 5.267045210507e-04 true resid norm 5.267045268134e-04 ||r(i)||/||b|| 2.261072127265e-02 43 KSP unpreconditioned resid norm 5.252990736415e-04 true resid norm 5.252990772707e-04 ||r(i)||/||b|| 2.255038720249e-02 44 KSP unpreconditioned resid norm 5.252955542117e-04 true resid norm 5.252955576159e-04 ||r(i)||/||b|| 2.255023610841e-02 45 KSP unpreconditioned resid norm 5.249441469158e-04 true resid norm 5.249441465592e-04 ||r(i)||/||b|| 2.253515050149e-02 46 KSP unpreconditioned resid norm 5.249349887347e-04 true resid norm 5.249349908424e-04 ||r(i)||/||b|| 2.253475745881e-02 47 KSP unpreconditioned resid norm 5.244022829432e-04 true resid norm 5.244022833805e-04 ||r(i)||/||b|| 2.251188903956e-02 48 KSP unpreconditioned resid norm 5.243909983684e-04 true resid norm 5.243910039135e-04 ||r(i)||/||b|| 2.251140482712e-02 49 KSP unpreconditioned resid norm 5.242222746891e-04 true resid norm 5.242222788957e-04 ||r(i)||/||b|| 2.250416168764e-02 50 KSP unpreconditioned resid norm 5.242184896737e-04 true resid norm 5.242184923513e-04 ||r(i)||/||b|| 2.250399913636e-02 51 KSP unpreconditioned resid norm 5.242173192624e-04 true resid norm 5.242173249415e-04 ||r(i)||/||b|| 2.250394902101e-02 52 KSP unpreconditioned resid norm 5.242143640134e-04 true resid norm 5.242143662386e-04 ||r(i)||/||b|| 2.250382200785e-02 53 KSP unpreconditioned resid norm 5.241427421209e-04 true resid norm 5.241427463025e-04 ||r(i)||/||b|| 2.250074745973e-02 54 KSP unpreconditioned resid norm 5.240926717771e-04 true resid norm 5.240926817177e-04 ||r(i)||/||b|| 2.249859825403e-02 55 KSP unpreconditioned resid norm 5.240403809724e-04 true resid norm 5.240403828445e-04 ||r(i)||/||b|| 2.249635313331e-02 56 KSP unpreconditioned resid norm 5.225484024406e-04 true resid norm 5.225484145548e-04 ||r(i)||/||b|| 2.243230492900e-02 57 KSP unpreconditioned resid norm 5.208619077471e-04 true resid norm 5.208619073762e-04 ||r(i)||/||b|| 2.235990543023e-02 58 KSP unpreconditioned resid norm 5.206943826467e-04 true resid norm 5.206943972304e-04 ||r(i)||/||b|| 2.235271444359e-02 59 KSP unpreconditioned resid norm 5.203498556876e-04 true resid norm 5.203498514591e-04 ||r(i)||/||b|| 2.233792355419e-02 60 KSP unpreconditioned resid norm 5.200512481561e-04 true resid norm 5.200512481561e-04 ||r(i)||/||b|| 2.232510491355e-02 61 KSP unpreconditioned resid norm 5.200511501368e-04 true resid norm 5.200512843614e-04 ||r(i)||/||b|| 2.232510646779e-02 62 KSP unpreconditioned resid norm 5.200508633155e-04 true resid norm 5.200509670591e-04 ||r(i)||/||b|| 2.232509284643e-02 63 KSP unpreconditioned resid norm 5.200503745990e-04 true resid norm 5.200503307187e-04 ||r(i)||/||b|| 2.232506552919e-02 64 KSP unpreconditioned resid norm 5.200503511288e-04 true resid norm 5.200504131838e-04 ||r(i)||/||b|| 2.232506906930e-02 65 KSP unpreconditioned resid norm 5.200482544448e-04 true resid norm 5.200482437659e-04 ||r(i)||/||b|| 2.232497593909e-02 66 KSP unpreconditioned resid norm 5.200403127989e-04 true resid norm 5.200402461879e-04 ||r(i)||/||b|| 2.232463261376e-02 67 KSP unpreconditioned resid norm 5.200396617027e-04 true resid norm 5.200395422528e-04 ||r(i)||/||b|| 2.232460239477e-02 68 KSP unpreconditioned resid norm 5.200202943142e-04 true resid norm 5.200203190687e-04 ||r(i)||/||b|| 2.232377716917e-02 69 KSP unpreconditioned resid norm 5.200158404499e-04 true resid norm 5.200158076384e-04 ||r(i)||/||b|| 2.232358349950e-02 70 KSP unpreconditioned resid norm 5.199890864582e-04 true resid norm 5.199891629795e-04 ||r(i)||/||b|| 2.232243967991e-02 71 KSP unpreconditioned resid norm 5.199850081520e-04 true resid norm 5.199850303783e-04 ||r(i)||/||b|| 2.232226227286e-02 72 KSP unpreconditioned resid norm 5.199541894477e-04 true resid norm 5.199542479866e-04 ||r(i)||/||b|| 2.232094082593e-02 73 KSP unpreconditioned resid norm 5.198683077531e-04 true resid norm 5.198683431206e-04 ||r(i)||/||b|| 2.231725304487e-02 74 KSP unpreconditioned resid norm 5.198132143597e-04 true resid norm 5.198133299944e-04 ||r(i)||/||b|| 2.231489140490e-02 75 KSP unpreconditioned resid norm 5.197600264062e-04 true resid norm 5.197600303842e-04 ||r(i)||/||b|| 2.231260332388e-02 76 KSP unpreconditioned resid norm 5.197395126326e-04 true resid norm 5.197395531067e-04 ||r(i)||/||b|| 2.231172426173e-02 77 KSP unpreconditioned resid norm 5.197368960929e-04 true resid norm 5.197368495172e-04 ||r(i)||/||b|| 2.231160820025e-02 78 KSP unpreconditioned resid norm 5.196820111493e-04 true resid norm 5.196820708621e-04 ||r(i)||/||b|| 2.230925662581e-02 79 KSP unpreconditioned resid norm 5.196689194920e-04 true resid norm 5.196689385867e-04 ||r(i)||/||b|| 2.230869287478e-02 80 KSP unpreconditioned resid norm 5.195797735373e-04 true resid norm 5.195798667929e-04 ||r(i)||/||b|| 2.230486914174e-02 81 KSP unpreconditioned resid norm 5.195212410636e-04 true resid norm 5.195214192424e-04 ||r(i)||/||b|| 2.230236006652e-02 82 KSP unpreconditioned resid norm 5.195104039794e-04 true resid norm 5.195103271293e-04 ||r(i)||/||b|| 2.230188389693e-02 83 KSP unpreconditioned resid norm 5.195037713346e-04 true resid norm 5.195038430688e-04 ||r(i)||/||b|| 2.230160554488e-02 84 KSP unpreconditioned resid norm 5.193934185731e-04 true resid norm 5.193935351372e-04 ||r(i)||/||b|| 2.229687017283e-02 85 KSP unpreconditioned resid norm 5.193930926664e-04 true resid norm 5.193931456034e-04 ||r(i)||/||b|| 2.229685345067e-02 86 KSP unpreconditioned resid norm 5.192133094077e-04 true resid norm 5.192133898011e-04 ||r(i)||/||b|| 2.228913677436e-02 87 KSP unpreconditioned resid norm 5.192125260171e-04 true resid norm 5.192125787331e-04 ||r(i)||/||b|| 2.228910195630e-02 88 KSP unpreconditioned resid norm 5.189164090887e-04 true resid norm 5.189165092966e-04 ||r(i)||/||b|| 2.227639209115e-02 89 KSP unpreconditioned resid norm 5.186408380362e-04 true resid norm 5.186408723295e-04 ||r(i)||/||b|| 2.226455936461e-02 90 KSP unpreconditioned resid norm 5.186211717931e-04 true resid norm 5.186211717931e-04 ||r(i)||/||b|| 2.226371364691e-02 91 KSP unpreconditioned resid norm 5.186211639140e-04 true resid norm 5.186210122603e-04 ||r(i)||/||b|| 2.226370679838e-02 92 KSP unpreconditioned resid norm 5.186210596961e-04 true resid norm 5.186210133338e-04 ||r(i)||/||b|| 2.226370684447e-02 93 KSP unpreconditioned resid norm 5.186210467939e-04 true resid norm 5.186210025892e-04 ||r(i)||/||b|| 2.226370638322e-02 94 KSP unpreconditioned resid norm 5.186204184205e-04 true resid norm 5.186204339845e-04 ||r(i)||/||b|| 2.226368197378e-02 95 KSP unpreconditioned resid norm 5.186204170475e-04 true resid norm 5.186202933419e-04 ||r(i)||/||b|| 2.226367593618e-02 96 KSP unpreconditioned resid norm 5.186173647180e-04 true resid norm 5.186174087794e-04 ||r(i)||/||b|| 2.226355210577e-02 97 KSP unpreconditioned resid norm 5.186140364981e-04 true resid norm 5.186140025454e-04 ||r(i)||/||b|| 2.226340588069e-02 98 KSP unpreconditioned resid norm 5.186105424794e-04 true resid norm 5.186105864105e-04 ||r(i)||/||b|| 2.226325923059e-02 99 KSP unpreconditioned resid norm 5.186079766190e-04 true resid norm 5.186081409232e-04 ||r(i)||/||b|| 2.226315424909e-02 100 KSP unpreconditioned resid norm 5.185992406930e-04 true resid norm 5.185990841844e-04 ||r(i)||/||b|| 2.226276545540e-02 KSP Object:(sys_) 4 MPI processes type: fgmres GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement GMRES: happy breakdown tolerance 1e-30 maximum iterations=1, initial guess is zero tolerances: relative=0.01, absolute=1e-50, divergence=10000. right preconditioning using UNPRECONDITIONED norm type for convergence test PC Object:(sys_) 4 MPI processes type: fieldsplit FieldSplit with Schur preconditioner, factorization UPPER Preconditioner for the Schur complement formed from Sp, an assembled approximation to S, which uses (lumped, if requested) A00's diagonal's inverse Split info: Split number 0 Defined by IS Split number 1 Defined by IS KSP solver for A00 block KSP Object: (sys_fieldsplit_0_) 4 MPI processes type: gmres GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement GMRES: happy breakdown tolerance 1e-30 maximum iterations=10000, initial guess is zero tolerances: relative=1e-06, absolute=1e-50, divergence=10000. right preconditioning using UNPRECONDITIONED norm type for convergence test PC Object: (sys_fieldsplit_0_) 4 MPI processes type: bjacobi block Jacobi: number of blocks = 4 Local solve is same for all blocks, in the following KSP and PC objects: KSP Object: (sys_fieldsplit_0_sub_) 1 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (sys_fieldsplit_0_sub_) 1 MPI processes type: ilu ILU: out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: 1 MPI processes type: seqaij rows=192, cols=192 package used to perform factorization: petsc total: nonzeros=864, allocated nonzeros=864 total number of mallocs used during MatSetValues calls =0 not using I-node routines linear system matrix = precond matrix: Mat Object: (sys_fieldsplit_0_) 1 MPI processes type: seqaij rows=192, cols=192 total: nonzeros=864, allocated nonzeros=864 total number of mallocs used during MatSetValues calls =0 not using I-node routines linear system matrix = precond matrix: Mat Object: (sys_fieldsplit_0_) 4 MPI processes type: mpiaij rows=768, cols=768 total: nonzeros=3648, allocated nonzeros=3648 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines KSP solver for upper A00 in upper triangular factor KSP Object: (sys_fieldsplit_1_upper_) 4 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using DEFAULT norm type for convergence test PC Object: (sys_fieldsplit_1_upper_) 4 MPI processes type: jacobi PC has not been set up so information may be incomplete linear system matrix = precond matrix: Mat Object: (sys_fieldsplit_0_) 4 MPI processes type: mpiaij rows=768, cols=768 total: nonzeros=3648, allocated nonzeros=3648 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines KSP solver for S = A11 - A10 inv(A00) A01 KSP Object: (sys_fieldsplit_1_) 4 MPI processes type: gmres GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement GMRES: happy breakdown tolerance 1e-30 maximum iterations=100, initial guess is zero tolerances: relative=1e-06, absolute=1e-50, divergence=10000. right preconditioning using UNPRECONDITIONED norm type for convergence test PC Object: (sys_fieldsplit_1_) 4 MPI processes type: bjacobi block Jacobi: number of blocks = 4 Local solve is same for all blocks, in the following KSP and PC objects: KSP Object: (sys_fieldsplit_1_sub_) 1 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (sys_fieldsplit_1_sub_) 1 MPI processes type: ilu ILU: out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: 1 MPI processes type: seqaij rows=64, cols=64 package used to perform factorization: petsc total: nonzeros=676, allocated nonzeros=676 total number of mallocs used during MatSetValues calls =0 not using I-node routines linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=64, cols=64 total: nonzeros=676, allocated nonzeros=676 total number of mallocs used during MatSetValues calls =0 not using I-node routines linear system matrix followed by preconditioner matrix: Mat Object: (sys_fieldsplit_1_) 4 MPI processes type: schurcomplement rows=256, cols=256 has attached null space Schur complement A11 - A10 inv(A00) A01 A11 Mat Object: (sys_fieldsplit_1_) 4 MPI processes type: mpiaij rows=256, cols=256 total: nonzeros=1216, allocated nonzeros=1216 total number of mallocs used during MatSetValues calls =0 has attached null space not using I-node (on process 0) routines A10 Mat Object: (div_) 4 MPI processes type: mpiaij rows=256, cols=768 total: nonzeros=3648, allocated nonzeros=3648 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines KSP of A00 KSP Object: (sys_fieldsplit_1_inner_) 4 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (sys_fieldsplit_1_inner_) 4 MPI processes type: jacobi linear system matrix = precond matrix: Mat Object: (sys_fieldsplit_0_) 4 MPI processes type: mpiaij rows=768, cols=768 total: nonzeros=3648, allocated nonzeros=3648 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines A01 Mat Object: (grad_) 4 MPI processes type: mpiaij rows=768, cols=256 total: nonzeros=3648, allocated nonzeros=3648 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines Mat Object: 4 MPI processes type: mpiaij rows=256, cols=256 total: nonzeros=3012, allocated nonzeros=3012 total number of mallocs used during MatSetValues calls =0 not using I-node (on process 0) routines linear system matrix = precond matrix: Mat Object: 4 MPI processes type: nest rows=1024, cols=1024 Matrix object: type=nest, rows=2, cols=2 MatNest structure: (0,0) : prefix="sys_fieldsplit_0_", type=mpiaij, rows=768, cols=768 (0,1) : prefix="grad_", type=mpiaij, rows=768, cols=256 (1,0) : prefix="div_", type=mpiaij, rows=256, cols=768 (1,1) : prefix="sys_fieldsplit_1_", type=mpiaij, rows=256, cols=256