Residual norms for sys_fieldsplit_1_ solve. 0 KSP preconditioned resid norm 4.397198714300e-01 true resid norm 2.329445931699e-02 ||r(i)||/||b|| 1.000000000000e+00 1 KSP preconditioned resid norm 1.937880477939e-01 true resid norm 7.347654039197e-03 ||r(i)||/||b|| 3.154249660493e-01 2 KSP preconditioned resid norm 1.281151157795e-01 true resid norm 5.220470845620e-03 ||r(i)||/||b|| 2.241078350255e-01 3 KSP preconditioned resid norm 5.654706486518e-02 true resid norm 2.197016253827e-03 ||r(i)||/||b|| 9.431497095211e-02 4 KSP preconditioned resid norm 4.280961763198e-02 true resid norm 1.603850926228e-03 ||r(i)||/||b|| 6.885117634211e-02 5 KSP preconditioned resid norm 3.557297500710e-02 true resid norm 1.076509223540e-03 ||r(i)||/||b|| 4.621310196089e-02 6 KSP preconditioned resid norm 3.001128875040e-02 true resid norm 9.042978781844e-04 ||r(i)||/||b|| 3.882029910542e-02 7 KSP preconditioned resid norm 2.688963058865e-02 true resid norm 7.522562739839e-04 ||r(i)||/||b|| 3.229335627616e-02 8 KSP preconditioned resid norm 2.592538570656e-02 true resid norm 7.096175566808e-04 ||r(i)||/||b|| 3.046293313892e-02 9 KSP preconditioned resid norm 2.591667494714e-02 true resid norm 7.260332938886e-04 ||r(i)||/||b|| 3.116763879379e-02 10 KSP preconditioned resid norm 2.588517899131e-02 true resid norm 7.367613272892e-04 ||r(i)||/||b|| 3.162817892716e-02 11 KSP preconditioned resid norm 2.584139224988e-02 true resid norm 7.267243344792e-04 ||r(i)||/||b|| 3.119730424261e-02 12 KSP preconditioned resid norm 2.564837857885e-02 true resid norm 7.627239167471e-04 ||r(i)||/||b|| 3.274271818753e-02 13 KSP preconditioned resid norm 2.558038789246e-02 true resid norm 7.420167610599e-04 ||r(i)||/||b|| 3.185378767382e-02 14 KSP preconditioned resid norm 2.557575483706e-02 true resid norm 7.404586331150e-04 ||r(i)||/||b|| 3.178689932395e-02 15 KSP preconditioned resid norm 2.541334230711e-02 true resid norm 7.408580494481e-04 ||r(i)||/||b|| 3.180404573322e-02 16 KSP preconditioned resid norm 2.541121754032e-02 true resid norm 7.438119337662e-04 ||r(i)||/||b|| 3.193085203844e-02 17 KSP preconditioned resid norm 2.516330973953e-02 true resid norm 7.720255312979e-04 ||r(i)||/||b|| 3.314202406642e-02 18 KSP preconditioned resid norm 2.486738650295e-02 true resid norm 7.787162389200e-04 ||r(i)||/||b|| 3.342924720095e-02 19 KSP preconditioned resid norm 2.437820530998e-02 true resid norm 8.107974260981e-04 ||r(i)||/||b|| 3.480644968251e-02 20 KSP preconditioned resid norm 2.377835045126e-02 true resid norm 9.422447662636e-04 ||r(i)||/||b|| 4.044930828579e-02 21 KSP preconditioned resid norm 2.305942026008e-02 true resid norm 1.029401054204e-03 ||r(i)||/||b|| 4.419081122236e-02 22 KSP preconditioned resid norm 2.297503663599e-02 true resid norm 1.010462828706e-03 ||r(i)||/||b|| 4.337781851710e-02 23 KSP preconditioned resid norm 2.297075281190e-02 true resid norm 1.009935729490e-03 ||r(i)||/||b|| 4.335519085235e-02 24 KSP preconditioned resid norm 2.279786169422e-02 true resid norm 1.019709509742e-03 ||r(i)||/||b|| 4.377476617364e-02 25 KSP preconditioned resid norm 2.275320041893e-02 true resid norm 1.003626092677e-03 ||r(i)||/||b|| 4.308432657824e-02 26 KSP preconditioned resid norm 2.269322137078e-02 true resid norm 9.922360856417e-04 ||r(i)||/||b|| 4.259536880163e-02 27 KSP preconditioned resid norm 2.254313467980e-02 true resid norm 1.047454707446e-03 ||r(i)||/||b|| 4.496583042313e-02 28 KSP preconditioned resid norm 2.224611651012e-02 true resid norm 1.101048446691e-03 ||r(i)||/||b|| 4.726653800836e-02 29 KSP preconditioned resid norm 2.214165459704e-02 true resid norm 1.106025139725e-03 ||r(i)||/||b|| 4.748018078781e-02 30 KSP preconditioned resid norm 2.208477869381e-02 true resid norm 1.120356822810e-03 ||r(i)||/||b|| 4.809542078504e-02 31 KSP preconditioned resid norm 2.208477394175e-02 true resid norm 1.119750979981e-03 ||r(i)||/||b|| 4.806941276223e-02 32 KSP preconditioned resid norm 2.208476465709e-02 true resid norm 1.119987676721e-03 ||r(i)||/||b|| 4.807957383686e-02 33 KSP preconditioned resid norm 2.208469755976e-02 true resid norm 1.119796579208e-03 ||r(i)||/||b|| 4.807137027606e-02 34 KSP preconditioned resid norm 2.208462850085e-02 true resid norm 1.119516941041e-03 ||r(i)||/||b|| 4.805936578338e-02 35 KSP preconditioned resid norm 2.208430922390e-02 true resid norm 1.117984633524e-03 ||r(i)||/||b|| 4.799358586995e-02 36 KSP preconditioned resid norm 2.208430544865e-02 true resid norm 1.118054028344e-03 ||r(i)||/||b|| 4.799656489682e-02 37 KSP preconditioned resid norm 2.208363255806e-02 true resid norm 1.119260622921e-03 ||r(i)||/||b|| 4.804836238910e-02 38 KSP preconditioned resid norm 2.208117581056e-02 true resid norm 1.121185843494e-03 ||r(i)||/||b|| 4.813100953481e-02 39 KSP preconditioned resid norm 2.208055696688e-02 true resid norm 1.122836108641e-03 ||r(i)||/||b|| 4.820185321161e-02 40 KSP preconditioned resid norm 2.206610138419e-02 true resid norm 1.126893412029e-03 ||r(i)||/||b|| 4.837602782252e-02 41 KSP preconditioned resid norm 2.206520290581e-02 true resid norm 1.128124267004e-03 ||r(i)||/||b|| 4.842886678127e-02 42 KSP preconditioned resid norm 2.202643750574e-02 true resid norm 1.156590788212e-03 ||r(i)||/||b|| 4.965089648460e-02 43 KSP preconditioned resid norm 2.199255473537e-02 true resid norm 1.150357789889e-03 ||r(i)||/||b|| 4.938332219844e-02 44 KSP preconditioned resid norm 2.198785794060e-02 true resid norm 1.144872253325e-03 ||r(i)||/||b|| 4.914783544642e-02 45 KSP preconditioned resid norm 2.197076933917e-02 true resid norm 1.149190040873e-03 ||r(i)||/||b|| 4.933319229413e-02 46 KSP preconditioned resid norm 2.196804586086e-02 true resid norm 1.144911743411e-03 ||r(i)||/||b|| 4.914953070302e-02 47 KSP preconditioned resid norm 2.195179725614e-02 true resid norm 1.142295282711e-03 ||r(i)||/||b|| 4.903720954271e-02 48 KSP preconditioned resid norm 2.194977119796e-02 true resid norm 1.141308030013e-03 ||r(i)||/||b|| 4.899482810409e-02 49 KSP preconditioned resid norm 2.193948628063e-02 true resid norm 1.139004689099e-03 ||r(i)||/||b|| 4.889594875759e-02 50 KSP preconditioned resid norm 2.193220494474e-02 true resid norm 1.138643185212e-03 ||r(i)||/||b|| 4.888042987896e-02 51 KSP preconditioned resid norm 2.193076455412e-02 true resid norm 1.137940739641e-03 ||r(i)||/||b|| 4.885027482958e-02 52 KSP preconditioned resid norm 2.192832153672e-02 true resid norm 1.136740929645e-03 ||r(i)||/||b|| 4.879876859028e-02 53 KSP preconditioned resid norm 2.192268288586e-02 true resid norm 1.140859314796e-03 ||r(i)||/||b|| 4.897556535961e-02 54 KSP preconditioned resid norm 2.192156401731e-02 true resid norm 1.141866825637e-03 ||r(i)||/||b|| 4.901881645324e-02 55 KSP preconditioned resid norm 2.192006965785e-02 true resid norm 1.142969938462e-03 ||r(i)||/||b|| 4.906617161227e-02 56 KSP preconditioned resid norm 2.189120974878e-02 true resid norm 1.167064351514e-03 ||r(i)||/||b|| 5.010051255677e-02 57 KSP preconditioned resid norm 2.185268299436e-02 true resid norm 1.198337630611e-03 ||r(i)||/||b|| 5.144303262438e-02 58 KSP preconditioned resid norm 2.181742090920e-02 true resid norm 1.219293050801e-03 ||r(i)||/||b|| 5.234262080135e-02 59 KSP preconditioned resid norm 2.181741335687e-02 true resid norm 1.219668816859e-03 ||r(i)||/||b|| 5.235875193588e-02 60 KSP preconditioned resid norm 2.176098210143e-02 true resid norm 1.223754786170e-03 ||r(i)||/||b|| 5.253415713659e-02 61 KSP preconditioned resid norm 2.176091932052e-02 true resid norm 1.221275142300e-03 ||r(i)||/||b|| 5.242770933985e-02 62 KSP preconditioned resid norm 2.176085463451e-02 true resid norm 1.222152392517e-03 ||r(i)||/||b|| 5.246536851904e-02 63 KSP preconditioned resid norm 2.176039480506e-02 true resid norm 1.221734071413e-03 ||r(i)||/||b|| 5.244741055322e-02 64 KSP preconditioned resid norm 2.176009192083e-02 true resid norm 1.221342751549e-03 ||r(i)||/||b|| 5.243061171452e-02 65 KSP preconditioned resid norm 2.175964339611e-02 true resid norm 1.220465349424e-03 ||r(i)||/||b|| 5.239294601414e-02 66 KSP preconditioned resid norm 2.175957027156e-02 true resid norm 1.220469055019e-03 ||r(i)||/||b|| 5.239310509040e-02 67 KSP preconditioned resid norm 2.175956474473e-02 true resid norm 1.220263320295e-03 ||r(i)||/||b|| 5.238427317371e-02 68 KSP preconditioned resid norm 2.175912255403e-02 true resid norm 1.220086414486e-03 ||r(i)||/||b|| 5.237667884380e-02 69 KSP preconditioned resid norm 2.175869099185e-02 true resid norm 1.218095633969e-03 ||r(i)||/||b|| 5.229121729736e-02 70 KSP preconditioned resid norm 2.175574831605e-02 true resid norm 1.219095086343e-03 ||r(i)||/||b|| 5.233412245179e-02 71 KSP preconditioned resid norm 2.175573952488e-02 true resid norm 1.219164266783e-03 ||r(i)||/||b|| 5.233709227559e-02 72 KSP preconditioned resid norm 2.175074241104e-02 true resid norm 1.225517623128e-03 ||r(i)||/||b|| 5.260983337073e-02 73 KSP preconditioned resid norm 2.174668488500e-02 true resid norm 1.224297852040e-03 ||r(i)||/||b|| 5.255747022845e-02 74 KSP preconditioned resid norm 2.174522242615e-02 true resid norm 1.222581518191e-03 ||r(i)||/||b|| 5.248379031058e-02 75 KSP preconditioned resid norm 2.174393875561e-02 true resid norm 1.222977607842e-03 ||r(i)||/||b|| 5.250079390982e-02 76 KSP preconditioned resid norm 2.174266923698e-02 true resid norm 1.221523566425e-03 ||r(i)||/||b|| 5.243837385547e-02 77 KSP preconditioned resid norm 2.173825386047e-02 true resid norm 1.215768171526e-03 ||r(i)||/||b|| 5.219130244586e-02 78 KSP preconditioned resid norm 2.173793557465e-02 true resid norm 1.214937396490e-03 ||r(i)||/||b|| 5.215563838411e-02 79 KSP preconditioned resid norm 2.173763713905e-02 true resid norm 1.214371834122e-03 ||r(i)||/||b|| 5.213135954764e-02 80 KSP preconditioned resid norm 2.173279774176e-02 true resid norm 1.208901361292e-03 ||r(i)||/||b|| 5.189651946163e-02 81 KSP preconditioned resid norm 2.172750851056e-02 true resid norm 1.208460351297e-03 ||r(i)||/||b|| 5.187758749203e-02 82 KSP preconditioned resid norm 2.172713020363e-02 true resid norm 1.208740527689e-03 ||r(i)||/||b|| 5.188961509005e-02 83 KSP preconditioned resid norm 2.170896301731e-02 true resid norm 1.209297251419e-03 ||r(i)||/||b|| 5.191351449556e-02 84 KSP preconditioned resid norm 2.170164020482e-02 true resid norm 1.203866278244e-03 ||r(i)||/||b|| 5.168037007694e-02 85 KSP preconditioned resid norm 2.169456053183e-02 true resid norm 1.207643628041e-03 ||r(i)||/||b|| 5.184252665442e-02 86 KSP preconditioned resid norm 2.166921041024e-02 true resid norm 1.215057709528e-03 ||r(i)||/||b|| 5.216080326198e-02 87 KSP preconditioned resid norm 2.166716906479e-02 true resid norm 1.209154479533e-03 ||r(i)||/||b|| 5.190738548936e-02 88 KSP preconditioned resid norm 2.166278339339e-02 true resid norm 1.220081454660e-03 ||r(i)||/||b|| 5.237646592511e-02 89 KSP preconditioned resid norm 2.164868786947e-02 true resid norm 1.227543990366e-03 ||r(i)||/||b|| 5.269682260755e-02 90 KSP preconditioned resid norm 2.164460908177e-02 true resid norm 1.231244527280e-03 ||r(i)||/||b|| 5.285568171062e-02 91 KSP preconditioned resid norm 2.164460808309e-02 true resid norm 1.230938325807e-03 ||r(i)||/||b|| 5.284253689070e-02 92 KSP preconditioned resid norm 2.164460781771e-02 true resid norm 1.230993584631e-03 ||r(i)||/||b|| 5.284490907817e-02 93 KSP preconditioned resid norm 2.164459934754e-02 true resid norm 1.230969620636e-03 ||r(i)||/||b|| 5.284388033587e-02 94 KSP preconditioned resid norm 2.164459928182e-02 true resid norm 1.230972388253e-03 ||r(i)||/||b|| 5.284399914597e-02 95 KSP preconditioned resid norm 2.164459505174e-02 true resid norm 1.230910990397e-03 ||r(i)||/||b|| 5.284136341811e-02 96 KSP preconditioned resid norm 2.164457668661e-02 true resid norm 1.230853050055e-03 ||r(i)||/||b|| 5.283887611667e-02 97 KSP preconditioned resid norm 2.164456484728e-02 true resid norm 1.230562900345e-03 ||r(i)||/||b|| 5.282642037745e-02 98 KSP preconditioned resid norm 2.164451545485e-02 true resid norm 1.230540784498e-03 ||r(i)||/||b|| 5.282547097372e-02 99 KSP preconditioned resid norm 2.164441781321e-02 true resid norm 1.229571161997e-03 ||r(i)||/||b|| 5.278384637588e-02 100 KSP preconditioned resid norm 2.164438849516e-02 true resid norm 1.229643453274e-03 ||r(i)||/||b|| 5.278694974376e-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. left preconditioning using PRECONDITIONED 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 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 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