xref: /petsc/src/mat/tests/ex244.cxx (revision ccb4e88a40f0b86eaeca07ff64c64e4de2fae686)
1 
2 static char help[] = "Tests MatConvert(), MatLoad() for MATSCALAPACK interface.\n\n";
3 /*
4  Example:
5    mpiexec -n <np> ./ex244 -fA <A_data> -fB <B_data> -orig_mat_type <type> -orig_mat_type <mat_type>
6 */
7 
8 #include <petscmat.h>
9 
10 int main(int argc,char **args)
11 {
12   Mat            A,Ae,B,Be;
13   PetscErrorCode ierr;
14   PetscViewer    view;
15   char           file[2][PETSC_MAX_PATH_LEN];
16   PetscBool      flg,flgB,isScaLAPACK,isDense,isAij,isSbaij;
17   PetscScalar    one = 1.0;
18   PetscMPIInt    rank,size;
19   PetscInt       M,N;
20 
21   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
22   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr);
23   ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRMPI(ierr);
24 
25   /* Load PETSc matrices */
26   ierr = PetscOptionsGetString(NULL,NULL,"-fA",file[0],PETSC_MAX_PATH_LEN,NULL);CHKERRQ(ierr);
27   ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[0],FILE_MODE_READ,&view);CHKERRQ(ierr);
28   ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
29   ierr = MatSetOptionsPrefix(A,"orig_");CHKERRQ(ierr);
30   ierr = MatSetType(A,MATAIJ);CHKERRQ(ierr);
31   ierr = MatSetFromOptions(A);CHKERRQ(ierr);
32   ierr = MatLoad(A,view);CHKERRQ(ierr);
33   ierr = PetscViewerDestroy(&view);CHKERRQ(ierr);
34 
35   PetscOptionsGetString(NULL,NULL,"-fB",file[1],PETSC_MAX_PATH_LEN,&flgB);
36   if (flgB) {
37     ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file[1],FILE_MODE_READ,&view);CHKERRQ(ierr);
38     ierr = MatCreate(PETSC_COMM_WORLD,&B);CHKERRQ(ierr);
39     ierr = MatSetOptionsPrefix(B,"orig_");CHKERRQ(ierr);
40     ierr = MatSetType(B,MATAIJ);CHKERRQ(ierr);
41     ierr = MatSetFromOptions(B);CHKERRQ(ierr);
42     ierr = MatLoad(B,view);CHKERRQ(ierr);
43     ierr = PetscViewerDestroy(&view);CHKERRQ(ierr);
44   } else {
45     /* Create matrix B = I */
46     PetscInt rstart,rend,i;
47     ierr = MatGetSize(A,&M,&N);CHKERRQ(ierr);
48     ierr = MatGetOwnershipRange(A,&rstart,&rend);CHKERRQ(ierr);
49 
50     ierr = MatCreate(PETSC_COMM_WORLD,&B);CHKERRQ(ierr);
51     ierr = MatSetOptionsPrefix(B,"orig_");CHKERRQ(ierr);
52     ierr = MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,M,N);CHKERRQ(ierr);
53     ierr = MatSetType(B,MATAIJ);CHKERRQ(ierr);
54     ierr = MatSetFromOptions(B);CHKERRQ(ierr);
55     ierr = MatSetUp(B);CHKERRQ(ierr);
56     for (i=rstart; i<rend; i++) {
57       ierr = MatSetValues(B,1,&i,1,&i,&one,ADD_VALUES);CHKERRQ(ierr);
58     }
59     ierr = MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
60     ierr = MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
61   }
62 
63   ierr = PetscObjectTypeCompare((PetscObject)A,MATSCALAPACK,&isScaLAPACK);CHKERRQ(ierr);
64   if (isScaLAPACK) {
65     Ae = A;
66     Be = B;
67     isDense = isAij = isSbaij = PETSC_FALSE;
68   } else { /* Convert AIJ/DENSE/SBAIJ matrices into ScaLAPACK matrices */
69     if (size == 1) {
70       ierr = PetscObjectTypeCompare((PetscObject)A,MATSEQDENSE,&isDense);CHKERRQ(ierr);
71       ierr = PetscObjectTypeCompare((PetscObject)A,MATSEQAIJ,&isAij);CHKERRQ(ierr);
72       ierr = PetscObjectTypeCompare((PetscObject)A,MATSEQSBAIJ,&isSbaij);CHKERRQ(ierr);
73     } else {
74       ierr = PetscObjectTypeCompare((PetscObject)A,MATMPIDENSE,&isDense);CHKERRQ(ierr);
75       ierr = PetscObjectTypeCompare((PetscObject)A,MATMPIAIJ,&isAij);CHKERRQ(ierr);
76        ierr = PetscObjectTypeCompare((PetscObject)A,MATMPISBAIJ,&isSbaij);CHKERRQ(ierr);
77     }
78 
79     if (rank == 0) {
80       if (isDense) {
81         printf(" Convert DENSE matrices A and B into ScaLAPACK matrix... \n");
82       } else if (isAij) {
83         printf(" Convert AIJ matrices A and B into ScaLAPACK matrix... \n");
84       } else if (isSbaij) {
85         printf(" Convert SBAIJ matrices A and B into ScaLAPACK matrix... \n");
86       } else SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Not supported yet");
87     }
88     ierr = MatConvert(A, MATSCALAPACK, MAT_INITIAL_MATRIX, &Ae);CHKERRQ(ierr);
89     ierr = MatConvert(B, MATSCALAPACK, MAT_INITIAL_MATRIX, &Be);CHKERRQ(ierr);
90 
91     /* Test accuracy */
92     ierr = MatMultEqual(A,Ae,5,&flg);CHKERRQ(ierr);
93     if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NOTSAMETYPE,"A != A_scalapack.");
94     ierr = MatMultEqual(B,Be,5,&flg);CHKERRQ(ierr);
95     if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NOTSAMETYPE,"B != B_scalapack.");
96   }
97 
98   if (!isScaLAPACK) {
99     ierr = MatDestroy(&Ae);CHKERRQ(ierr);
100     ierr = MatDestroy(&Be);CHKERRQ(ierr);
101 
102     /* Test MAT_REUSE_MATRIX which is only supported for inplace conversion */
103     ierr = MatConvert(A, MATSCALAPACK, MAT_INPLACE_MATRIX, &A);CHKERRQ(ierr);
104     //ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
105   }
106 
107   ierr = MatDestroy(&A);CHKERRQ(ierr);
108   ierr = MatDestroy(&B);CHKERRQ(ierr);
109   ierr = PetscFinalize();
110   return ierr;
111 }
112 
113 /*TEST
114 
115    build:
116       requires: scalapack
117 
118    test:
119       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
120       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij
121       output_file: output/ex244.out
122 
123    test:
124       suffix: 2
125       nsize: 8
126       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
127       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij
128       output_file: output/ex244.out
129 
130    test:
131       suffix: 2_dense
132       nsize: 8
133       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
134       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij -orig_mat_type dense
135       output_file: output/ex244_dense.out
136 
137    test:
138       suffix: 2_scalapack
139       nsize: 8
140       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
141       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij -orig_mat_type scalapack
142       output_file: output/ex244_scalapack.out
143 
144    test:
145       suffix: 2_sbaij
146       nsize: 8
147       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
148       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B -orig_mat_type sbaij
149       output_file: output/ex244_sbaij.out
150 
151    test:
152       suffix: complex
153       requires: complex double datafilespath !defined(PETSC_USE_64BIT_INDICES)
154       args: -fA ${DATAFILESPATH}/matrices/nimrod/small_112905
155       output_file: output/ex244.out
156 
157    test:
158       suffix: complex_2
159       nsize: 4
160       requires: complex double datafilespath !defined(PETSC_USE_64BIT_INDICES)
161       args: -fA ${DATAFILESPATH}/matrices/nimrod/small_112905
162       output_file: output/ex244.out
163 
164    test:
165       suffix: dense
166       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
167       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij -orig_mat_type dense
168 
169    test:
170       suffix: scalapack
171       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
172       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A_aij -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B_aij -orig_mat_type scalapack
173 
174    test:
175       suffix: sbaij
176       requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
177       args: -fA ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_A -fB ${DATAFILESPATH}/matrices/EigenProblems/Eigdftb/dftb_bin/graphene_xxs_B -orig_mat_type sbaij
178 
179 TEST*/
180