[petsc-users] Matrix Assembly too slow
Matthew Knepley
knepley at gmail.com
Sat May 2 14:15:03 CDT 2015
On Sat, May 2, 2015 at 12:10 PM, Vijay Gopal Chilkuri <
vijay.gopal.c at gmail.com> wrote:
> Hi,
>
> I'm trying to diagonalize large matrices using PETSc and SLEPc.
> I've successfully diagonalized 100 million dimensional matrix in 2hours.
>
> But, the problem is when i try to diagonailze (similar) a smaller metrix of
> dimension 67,000,000 (24 nonzero elements per row) with 10 noes running 20
> processors each (similar to the 100 million case), the matrix assembly
> itself
> takes 2h !
>
> Could someone point out the mistakes that i'm making ?
>
http://www.mcs.anl.gov/petsc/documentation/faq.html#efficient-assembly
Thanks,
Matt
> i attach the source code and the output with the mail.
>
> thanks,
> Vijay
>
>
> #include <slepceps.h>
> #include <petsctime.h>
>
> #undef __FUNCT__
> #define __FUNCT__ "main"
> int main(int argc,char **argv)
> {
> Mat A; /* problem matrix */
> EPS eps; /* eigenproblem solver context */
> EPSType type;
> PetscReal error,tol,re,im;
> PetscScalar kr,ki,value[52];
> Vec xr,xi;
> PetscInt
> n=16224936,ii,i,veclen,j,Istart,Iend,col[52],nev,maxit,its,nconv,countcol;
> PetscInt d_nz,o_nz;
> PetscLogDouble t1,t2,tt1,tt2;
> PetscBool FirstBlock=PETSC_FALSE,LastBlock=PETSC_FALSE;
> PetscErrorCode ierr;
> PetscScalar eigr;
> PetscScalar eigi;
> PetscScalar * data;
> Vec Vr,Vi;
> char filename[PETSC_MAX_PATH_LEN]="FIL666";
> PetscViewer viewer;
> PetscBool ishermitian;
> int mpiid;
> long int kk,iii;
> long int tcountcol,tcol[52];
> float val[52];
> long int ntrou=1;
> long int l1[52]={1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 2, 3,
> 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
> long int l2[52]={2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, 23,
> 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
> 23, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
> long int ktyp[52]={1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2,
> 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
> double xjjz[52] ={0.0333333333333,-0.8, 0.,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
> double xjjxy[52] ={0.0333333333333,-0.8,0.,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
> double xtt[52] ={-1.0,0.,0.,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
>
> SlepcInitialize(&argc,&argv,(char*)0,NULL);
> ierr = PetscPrintf(PETSC_COMM_WORLD,"\n1-D t-J Eigenproblem,
> n=%D\n\n",n);CHKERRQ(ierr);
> ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
> //ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n);CHKERRQ(ierr);
> ierr =
> MatCreateAIJ(PETSC_COMM_WORLD,PETSC_DECIDE,PETSC_DECIDE,n,n,46,NULL,46,NULL,&A);CHKERRQ(ierr);
> ierr = MatSetFromOptions(A);CHKERRQ(ierr);
> ierr = MatSetUp(A);CHKERRQ(ierr);
>
> ierr = MatGetOwnershipRange(A,&Istart,&Iend);CHKERRQ(ierr);
> ierr =
> MatCreateAIJ(PETSC_COMM_WORLD,Iend-Istart,Iend-Istart,n,n,46,NULL,46,NULL,&A);CHKERRQ(ierr);
> MPI_Comm_rank(MPI_COMM_WORLD,&mpiid);
> ierr = PetscTime(&tt1);CHKERRQ(ierr);
> for (i=Istart; i<Iend; i++) {
> tcountcol=0;
> iii=i+1;
> if(i%5 == 0 && mpiid==0){
> ierr = PetscTime(&t1);CHKERRQ(ierr);
> }
> unit_l1_(
> l1,
> l2,
> ktyp,
> &iii,
> xjjxy,
> xjjz ,
> xtt ,
> &tcountcol,
> &ntrou,
> tcol,
> val);
> for(kk=0;kk<52;kk++){
> value[kk] = val[kk];
> col[kk] = tcol[kk]-1;
> }
> if(i%5 == 0 && mpiid==0){
> ierr = PetscTime(&t2);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," i: %d\n mpiid: %d\ntime:
> %f\n",i,mpiid,t2-t1);CHKERRQ(ierr);
> }
> countcol=tcountcol;
> if(i%5 == 0 && mpiid==0){
> ierr = PetscTime(&t1);CHKERRQ(ierr);
> }
> ierr =
> MatSetValues(A,1,&i,countcol,col,value,INSERT_VALUES);CHKERRQ(ierr);
> if(i%5 == 0 && mpiid==0){
> ierr = PetscTime(&t2);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," processor \n mpiid:
> %d\ntime: %f\n",mpiid,t2-t1);CHKERRQ(ierr);
> }
> }
> ierr = PetscTime(&tt2);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Time used to build the matrix:
> %f\n",tt2-tt1);CHKERRQ(ierr);
>
>
> ierr = PetscTime(&tt1);CHKERRQ(ierr);
> ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
> ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
> ierr = PetscTime(&tt2);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Time used to assemble the matrix:
> %f\n",tt2-tt1);CHKERRQ(ierr);
> ierr = MatGetVecs(A,NULL,&xr);CHKERRQ(ierr);
> ierr = MatGetVecs(A,NULL,&xi);CHKERRQ(ierr);
>
> ierr = EPSCreate(PETSC_COMM_WORLD,&eps);CHKERRQ(ierr);
> ierr = EPSSetOperators(eps,A,NULL);CHKERRQ(ierr);
> ierr = EPSSetProblemType(eps,EPS_HEP);CHKERRQ(ierr);
> ierr = EPSSetWhichEigenpairs(eps,EPS_SMALLEST_REAL);CHKERRQ(ierr);
>
> ierr = EPSSetFromOptions(eps);CHKERRQ(ierr);
> tol = 1.e-8;
> maxit = 10000000;
> ierr = EPSSetTolerances(eps,tol,maxit);CHKERRQ(ierr);
>
> ierr = PetscTime(&t1);CHKERRQ(ierr);
> ierr = EPSSolve(eps);CHKERRQ(ierr);
> ierr = PetscTime(&t2);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Time used:
> %f\n",t2-t1);CHKERRQ(ierr);
> ierr = EPSGetIterationNumber(eps,&its);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Number of iterations of the
> method: %D\n",its);CHKERRQ(ierr);
> ierr = EPSGetType(eps,&type);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Solution method:
> %s\n\n",type);CHKERRQ(ierr);
> ierr = EPSGetDimensions(eps,&nev,NULL,NULL);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Number of requested eigenvalues:
> %D\n",nev);CHKERRQ(ierr);
> ierr = EPSGetTolerances(eps,&tol,&maxit);CHKERRQ(ierr);
> ierr = PetscPrintf(PETSC_COMM_WORLD," Stopping condition: tol=%.4g,
> maxit=%D\n",(double)tol,maxit);CHKERRQ(ierr);
>
> ierr = EPSGetConverged(eps,&nconv);CHKERRQ(ierr);
> ierr = EPSPrintSolution(eps,NULL);CHKERRQ(ierr);
> /*
> EPSGetConverged(eps,&nconv);
> if (nconv>0) {
> PetscViewerASCIIOpen(PETSC_COMM_WORLD,filename,&viewer);
> EPSIsHermitian(eps,&ishermitian);
> for (i=0;i<nconv;i++) {
> EPSGetEigenvector(eps,i,xr,xi);
> VecView(xr,viewer);
> #if !defined(PETSC_USE_COMPLEX)
> if (!ishermitian) { VecView(xi,viewer); }
> #endif
> }
> PetscViewerDestroy(&viewer);
> }
> */
> ierr = EPSDestroy(&eps);CHKERRQ(ierr);
> ierr = MatDestroy(&A);CHKERRQ(ierr);
> ierr = VecDestroy(&xr);CHKERRQ(ierr);
> ierr = VecDestroy(&xi);CHKERRQ(ierr);
> ierr = SlepcFinalize();
> return 0;
> }
>
> OUTPUT:
> Time used to build the matrix: 1914.729022
> [0] MatStashScatterBegin_Private(): No of messages: 0
> [0] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
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> [121] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [165] MatStashScatterBegin_Private(): No of messages: 0
> [165] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [35] MatStashScatterBegin_Private(): No of messages: 0
> [35] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [99] MatStashScatterBegin_Private(): No of messages: 0
> [99] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [59] MatStashScatterBegin_Private(): No of messages: 0
> [59] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [2] MatStashScatterBegin_Private(): No of messages: 0
> [2] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [180] MatStashScatterBegin_Private(): No of messages: 0
> [180] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [102] MatStashScatterBegin_Private(): No of messages: 0
> [102] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [71] MatStashScatterBegin_Private(): No of messages: 0
> [71] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [147] MatStashScatterBegin_Private(): No of messages: 0
> [147] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [122] MatStashScatterBegin_Private(): No of messages: 0
> [122] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [167] MatStashScatterBegin_Private(): No of messages: 0
> [167] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [36] MatStashScatterBegin_Private(): No of messages: 0
> [36] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [82] MatStashScatterBegin_Private(): No of messages: 0
> [82] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [41] MatStashScatterBegin_Private(): No of messages: 0
> [41] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [3] MatStashScatterBegin_Private(): No of messages: 0
> [3] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [181] MatStashScatterBegin_Private(): No of messages: 0
> [181] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [103] MatStashScatterBegin_Private(): No of messages: 0
> [103] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [72] MatStashScatterBegin_Private(): No of messages: 0
> [72] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [149] MatStashScatterBegin_Private(): No of messages: 0
> [149] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [123] MatStashScatterBegin_Private(): No of messages: 0
> [123] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [168] MatStashScatterBegin_Private(): No of messages: 0
> [168] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [37] MatStashScatterBegin_Private(): No of messages: 0
> [37] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [83] MatStashScatterBegin_Private(): No of messages: 0
> [83] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [42] MatStashScatterBegin_Private(): No of messages: 0
> [42] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [4] MatStashScatterBegin_Private(): No of messages: 0
> [4] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [183] MatStashScatterBegin_Private(): No of messages: 0
> [183] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [104] MatStashScatterBegin_Private(): No of messages: 0
> [104] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [73] MatStashScatterBegin_Private(): No of messages: 0
> [73] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [150] MatStashScatterBegin_Private(): No of messages: 0
> [150] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [124] MatStashScatterBegin_Private(): No of messages: 0
> [124] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [172] MatStashScatterBegin_Private(): No of messages: 0
> [172] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [38] MatStashScatterBegin_Private(): No of messages: 0
> [38] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [85] MatStashScatterBegin_Private(): No of messages: 0
> [85] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [43] MatStashScatterBegin_Private(): No of messages: 0
> [43] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [5] MatStashScatterBegin_Private(): No of messages: 0
> [5] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [184] MatStashScatterBegin_Private(): No of messages: 0
> [184] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [106] MatStashScatterBegin_Private(): No of messages: 0
> [106] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [74] MatStashScatterBegin_Private(): No of messages: 0
> [74] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [151] MatStashScatterBegin_Private(): No of messages: 0
> [151] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [125] MatStashScatterBegin_Private(): No of messages: 0
> [125] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [173] MatStashScatterBegin_Private(): No of messages: 0
> [173] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [39] MatStashScatterBegin_Private(): No of messages: 0
> [39] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [87] MatStashScatterBegin_Private(): No of messages: 0
> [87] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [46] MatStashScatterBegin_Private(): No of messages: 0
> [46] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [8] MatStashScatterBegin_Private(): No of messages: 0
> [8] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [186] MatStashScatterBegin_Private(): No of messages: 0
> [186] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [107] MatStashScatterBegin_Private(): No of messages: 0
> [107] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [75] MatStashScatterBegin_Private(): No of messages: 0
> [75] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [152] MatStashScatterBegin_Private(): No of messages: 0
> [152] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [126] MatStashScatterBegin_Private(): No of messages: 0
> [126] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [175] MatStashScatterBegin_Private(): No of messages: 0
> [175] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [22] MatStashScatterBegin_Private(): No of messages: 0
> [22] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [88] MatStashScatterBegin_Private(): No of messages: 0
> [88] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [49] MatStashScatterBegin_Private(): No of messages: 0
> [49] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [16] MatStashScatterBegin_Private(): No of messages: 0
> [16] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [189] MatStashScatterBegin_Private(): No of messages: 0
> [189] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [108] MatStashScatterBegin_Private(): No of messages: 0
> [108] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [76] MatStashScatterBegin_Private(): No of messages: 0
> [76] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [153] MatStashScatterBegin_Private(): No of messages: 0
> [153] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [127] MatStashScatterBegin_Private(): No of messages: 0
> [127] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [176] MatStashScatterBegin_Private(): No of messages: 0
> [176] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [23] MatStashScatterBegin_Private(): No of messages: 0
> [23] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [89] MatStashScatterBegin_Private(): No of messages: 0
> [89] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [50] MatStashScatterBegin_Private(): No of messages: 0
> [50] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [18] MatStashScatterBegin_Private(): No of messages: 0
> [18] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [191] MatStashScatterBegin_Private(): No of messages: 0
> [191] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [110] MatStashScatterBegin_Private(): No of messages: 0
> [110] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [77] MatStashScatterBegin_Private(): No of messages: 0
> [77] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [154] MatStashScatterBegin_Private(): No of messages: 0
> [154] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [128] MatStashScatterBegin_Private(): No of messages: 0
> [128] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [177] MatStashScatterBegin_Private(): No of messages: 0
> [177] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [27] MatStashScatterBegin_Private(): No of messages: 0
> [27] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [90] MatStashScatterBegin_Private(): No of messages: 0
> [90] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [51] MatStashScatterBegin_Private(): No of messages: 0
> [51] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [19] MatStashScatterBegin_Private(): No of messages: 0
> [19] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [193] MatStashScatterBegin_Private(): No of messages: 0
> [193] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [117] MatStashScatterBegin_Private(): No of messages: 0
> [117] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [78] MatStashScatterBegin_Private(): No of messages: 0
> [78] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [155] MatStashScatterBegin_Private(): No of messages: 0
> [155] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [129] MatStashScatterBegin_Private(): No of messages: 0
> [129] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [178] MatStashScatterBegin_Private(): No of messages: 0
> [178] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [30] MatStashScatterBegin_Private(): No of messages: 0
> [30] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [96] MatStashScatterBegin_Private(): No of messages: 0
> [96] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [52] MatStashScatterBegin_Private(): No of messages: 0
> [52] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [197] MatStashScatterBegin_Private(): No of messages: 0
> [197] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [118] MatStashScatterBegin_Private(): No of messages: 0
> [118] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [79] MatStashScatterBegin_Private(): No of messages: 0
> [79] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [159] MatStashScatterBegin_Private(): No of messages: 0
> [159] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [131] MatStashScatterBegin_Private(): No of messages: 0
> [131] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [179] MatStashScatterBegin_Private(): No of messages: 0
> [179] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [31] MatStashScatterBegin_Private(): No of messages: 0
> [31] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [97] MatStashScatterBegin_Private(): No of messages: 0
> [97] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [57] MatStashScatterBegin_Private(): No of messages: 0
> [57] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [98] MatStashScatterBegin_Private(): No of messages: 0
> [98] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [58] MatStashScatterBegin_Private(): No of messages: 0
> [58] MatAssemblyBegin_MPIAIJ(): Stash has 0 entries, uses 0 mallocs.
> [104] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3238253 unneeded,493497 used
> [104] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [104] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [104] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [4] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3197999 unneeded,533751 used
> [4] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [4] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [4] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [106] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3243809 unneeded,487941 used
> [106] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [106] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [106] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [144] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3243446 unneeded,488258 used
> [144] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [144] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 11
> [144] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [123] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3237359 unneeded,494391 used
> [123] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [123] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [123] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [173] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3245082 unneeded,486622 used
> [173] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [173] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [173] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [85] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3217795 unneeded,513955 used
> [85] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [85] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [85] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [6] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3208633 unneeded,523117 used
> [6] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [6] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [6] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [185] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3209020 unneeded,522684 used
> [185] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [185] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [185] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [108] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3216305 unneeded,515445 used
> [108] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [108] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [73] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3201643 unneeded,530107 used
> [73] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [73] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [73] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [146] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3234040 unneeded,497664 used
> [146] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [146] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 11
> [146] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [127] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3243435 unneeded,488315 used
> [127] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [127] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [127] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [177] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3249858 unneeded,481846 used
> [177] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [177] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [177] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [27] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3207727 unneeded,524023 used
> [27] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [27] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [27] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [87] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3220647 unneeded,511103 used
> [87] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [87] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 12
> [87] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [54] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3197939 unneeded,533811 used
> [54] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [54] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [54] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [8] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3179441 unneeded,552309 used
> [8] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [8] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [8] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [187] MatAssemblyEnd_SeqAIJ(): Matrix size: 81124 X 81124; storage space:
> 3197890 unneeded,533814 used
> [187] MatAssemblyEnd_SeqAIJ(): Number of mallocs during MatSetValues() is 0
> [187] MatAssemblyEnd_SeqAIJ(): Maximum nonzeros in any row is 13
> [187] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81124) < 0.6. Do not use CompressedRow routines.
> [108] MatCheckCompressedRow(): Found the ratio (num_zerorows
> 0)/(num_localrows 81125) < 0.6. Do not use CompressedRow routines.
> [74] MatAssemblyEnd_SeqAIJ(): Matrix size: 81125 X 81125; storage space:
> 3200381 unneeded,531369 used
>
>
--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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