1 /* 2 Defines matrix-matrix-matrix product routines for MPIAIJ matrices 3 D = A * B * C 4 */ 5 #include <../src/mat/impls/aij/mpi/mpiaij.h> /*I "petscmat.h" I*/ 6 7 #if defined(PETSC_HAVE_HYPRE) 8 PETSC_INTERN PetscErrorCode MatTransposeMatMatMultSymbolic_AIJ_AIJ_AIJ_wHYPRE(Mat,Mat,Mat,PetscReal,Mat*); 9 PETSC_INTERN PetscErrorCode MatTransposeMatMatMultNumeric_AIJ_AIJ_AIJ_wHYPRE(Mat,Mat,Mat,Mat); 10 11 #undef __FUNCT__ 12 #define __FUNCT__ "MatMatMatMult_Transpose_AIJ_AIJ" 13 PETSC_INTERN PetscErrorCode MatMatMatMult_Transpose_AIJ_AIJ(Mat R,Mat A,Mat P,MatReuse scall, PetscReal fill, Mat *RAP) 14 { 15 Mat Rt; 16 PetscBool flg; 17 PetscErrorCode ierr; 18 19 PetscFunctionBegin; 20 ierr = MatTransposeGetMat(R,&Rt);CHKERRQ(ierr); 21 ierr = PetscObjectTypeCompareAny((PetscObject)Rt,&flg,MATSEQAIJ,MATMPIAIJ,NULL);CHKERRQ(ierr); 22 if (!flg) SETERRQ1(PetscObjectComm((PetscObject)Rt),PETSC_ERR_SUP,"Not for matrix type %s",((PetscObject)Rt)->type_name); 23 if (scall == MAT_INITIAL_MATRIX) { 24 ierr = PetscLogEventBegin(MAT_MatMatMultSymbolic,R,A,P,0);CHKERRQ(ierr); 25 ierr = MatTransposeMatMatMultSymbolic_AIJ_AIJ_AIJ_wHYPRE(Rt,A,P,fill,RAP);CHKERRQ(ierr); 26 ierr = PetscLogEventEnd(MAT_MatMatMultSymbolic,R,A,P,0);CHKERRQ(ierr); 27 } 28 ierr = PetscLogEventBegin(MAT_MatMatMultNumeric,R,A,P,0);CHKERRQ(ierr); 29 ierr = MatTransposeMatMatMultNumeric_AIJ_AIJ_AIJ_wHYPRE(Rt,A,P,*RAP);CHKERRQ(ierr); 30 ierr = PetscLogEventEnd(MAT_MatMatMultNumeric,R,A,P,0);CHKERRQ(ierr); 31 PetscFunctionReturn(0); 32 } 33 #endif 34 35 #undef __FUNCT__ 36 #define __FUNCT__ "MatDestroy_MPIAIJ_MatMatMatMult" 37 PetscErrorCode MatDestroy_MPIAIJ_MatMatMatMult(Mat A) 38 { 39 Mat_MPIAIJ *a = (Mat_MPIAIJ*)A->data; 40 Mat_MatMatMatMult *matmatmatmult=a->matmatmatmult; 41 PetscErrorCode ierr; 42 43 PetscFunctionBegin; 44 ierr = MatDestroy(&matmatmatmult->BC);CHKERRQ(ierr); 45 ierr = matmatmatmult->destroy(A);CHKERRQ(ierr); 46 ierr = PetscFree(matmatmatmult);CHKERRQ(ierr); 47 PetscFunctionReturn(0); 48 } 49 50 PETSC_INTERN PetscErrorCode MatMatMatMult_MPIAIJ_MPIAIJ_MPIAIJ(Mat A,Mat B,Mat C,MatReuse scall,PetscReal fill,Mat *D) 51 { 52 PetscErrorCode ierr; 53 54 PetscFunctionBegin; 55 if (scall == MAT_INITIAL_MATRIX) { 56 ierr = PetscLogEventBegin(MAT_MatMatMultSymbolic,A,B,C,0);CHKERRQ(ierr); 57 ierr = MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(A,B,C,fill,D);CHKERRQ(ierr); 58 ierr = PetscLogEventEnd(MAT_MatMatMultSymbolic,A,B,C,0);CHKERRQ(ierr); 59 } 60 ierr = PetscLogEventBegin(MAT_MatMatMultNumeric,A,B,C,0);CHKERRQ(ierr); 61 ierr = ((*D)->ops->matmatmultnumeric)(A,B,C,*D);CHKERRQ(ierr); 62 ierr = PetscLogEventEnd(MAT_MatMatMultNumeric,A,B,C,0);CHKERRQ(ierr); 63 PetscFunctionReturn(0); 64 } 65 66 PetscErrorCode MatMatMatMultSymbolic_MPIAIJ_MPIAIJ_MPIAIJ(Mat A,Mat B,Mat C,PetscReal fill,Mat *D) 67 { 68 PetscErrorCode ierr; 69 Mat BC; 70 Mat_MatMatMatMult *matmatmatmult; 71 Mat_MPIAIJ *d; 72 PetscBool scalable=PETSC_TRUE; 73 74 PetscFunctionBegin; 75 ierr = PetscObjectOptionsBegin((PetscObject)B);CHKERRQ(ierr); 76 ierr = PetscOptionsBool("-matmatmatmult_scalable","Use a scalable but slower D=A*B*C","",scalable,&scalable,NULL);CHKERRQ(ierr); 77 ierr = PetscOptionsEnd();CHKERRQ(ierr); 78 if (scalable) { 79 ierr = MatMatMultSymbolic_MPIAIJ_MPIAIJ(B,C,fill,&BC);CHKERRQ(ierr); 80 ierr = MatMatMultSymbolic_MPIAIJ_MPIAIJ(A,BC,fill,D);CHKERRQ(ierr); 81 } else { 82 ierr = MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(B,C,fill,&BC);CHKERRQ(ierr); 83 ierr = MatMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable(A,BC,fill,D);CHKERRQ(ierr); 84 } 85 86 /* create struct Mat_MatMatMatMult and attached it to *D */ 87 ierr = PetscNew(&matmatmatmult);CHKERRQ(ierr); 88 89 matmatmatmult->BC = BC; 90 matmatmatmult->destroy = (*D)->ops->destroy; 91 d = (Mat_MPIAIJ*)(*D)->data; 92 d->matmatmatmult = matmatmatmult; 93 94 (*D)->ops->matmatmultnumeric = MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ; 95 (*D)->ops->destroy = MatDestroy_MPIAIJ_MatMatMatMult; 96 PetscFunctionReturn(0); 97 } 98 99 PetscErrorCode MatMatMatMultNumeric_MPIAIJ_MPIAIJ_MPIAIJ(Mat A,Mat B,Mat C,Mat D) 100 { 101 PetscErrorCode ierr; 102 Mat_MPIAIJ *d = (Mat_MPIAIJ*)D->data; 103 Mat_MatMatMatMult *matmatmatmult = d->matmatmatmult; 104 Mat BC = matmatmatmult->BC; 105 106 PetscFunctionBegin; 107 ierr = (BC->ops->matmultnumeric)(B,C,BC);CHKERRQ(ierr); 108 ierr = (D->ops->matmultnumeric)(A,BC,D);CHKERRQ(ierr); 109 PetscFunctionReturn(0); 110 } 111