Actual source code: ex254.c
1: static char help[] = "Test MatSetValuesCOO for MPIAIJ and its subclasses \n\n";
3: #include <petscmat.h>
4: int main(int argc, char **args)
5: {
6: Mat A, B;
7: PetscInt k;
8: const PetscInt M = 18, N = 18;
9: PetscMPIInt rank, size;
10: PetscBool equal;
11: PetscScalar *vals;
12: PetscBool flg = PETSC_FALSE;
14: /* Construct 18 x 18 matrices, which are big enough to have complex communication patterns but still small enough for debugging */
15: PetscInt i0[] = {7, 7, 8, 8, 9, 16, 17, 9, 10, 1, 1, -2, 2, 3, 3, 14, 4, 5, 10, 13, 9, 9, 10, 1, 0, 0, 5, 5, 6, 6, 13, 13, 14, -14, 4, 4, 5, 11, 11, 12, 15, 15, 16};
16: PetscInt j0[] = {1, 6, 2, 4, 10, 15, 13, 16, 11, 2, 7, 3, 8, 4, 9, 13, 5, 2, 15, 14, 10, 16, 11, 2, 0, 1, 5, -11, 0, 7, 15, 17, 11, 13, 4, 8, 2, 12, 17, 13, 3, 16, 9};
18: PetscInt i1[] = {8, 5, 15, 16, 6, 13, 4, 17, 8, 9, 9, 10, -6, 12, 7, 3, -4, 1, 1, 2, 5, 5, 6, 14, 17, 8, 9, 9, 10, 4, 5, 10, 11, 1, 2};
19: PetscInt j1[] = {2, 3, 16, 9, 5, 17, 1, 13, 4, 10, 16, 11, -5, 12, 1, 7, -1, 2, 7, 3, 6, 11, 0, 11, 13, 4, 10, 16, 11, 8, -2, 15, 12, 7, 3};
21: PetscInt i2[] = {3, 4, 1, 10, 0, 1, 1, 2, 1, 1, 2, 2, 3, 3, 4, 4, 1, 2, 5, 5, 6, 4, 17, 0, 1, 1, 8, 5, 5, 6, 4, 7, 8, 5};
22: PetscInt j2[] = {7, 1, 2, 11, 5, 2, 7, 3, 2, 7, 3, 8, 4, 9, 3, 5, 7, 3, 6, 11, 0, 1, 13, 5, 2, 7, 4, 6, 11, 0, 1, 3, 4, 2};
24: struct {
25: PetscInt *i, *j, n;
26: } coo[3] = {
27: {i0, j0, sizeof(i0) / sizeof(PetscInt)},
28: {i1, j1, sizeof(i1) / sizeof(PetscInt)},
29: {i2, j2, sizeof(i2) / sizeof(PetscInt)}
30: };
32: PetscFunctionBeginUser;
33: PetscCall(PetscInitialize(&argc, &args, (char *)0, help));
34: PetscCall(PetscOptionsGetBool(NULL, NULL, "-ignore_remote", &flg, NULL));
35: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
36: PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
38: PetscCheck(size <= 3, PETSC_COMM_WORLD, PETSC_ERR_WRONG_MPI_SIZE, "This test requires at most 3 processes");
40: PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
41: PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, M, N));
42: PetscCall(MatSetType(A, MATAIJ));
43: // Do not preallocate A to also test MatHash with MAT_IGNORE_OFF_PROC_ENTRIES
44: // PetscCall(MatSeqAIJSetPreallocation(A, 2, NULL));
45: // PetscCall(MatMPIAIJSetPreallocation(A, 2, NULL, 2, NULL));
46: PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE));
47: PetscCall(MatSetOption(A, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
49: PetscCall(PetscMalloc1(coo[rank].n, &vals));
50: for (k = 0; k < coo[rank].n; k++) {
51: vals[k] = coo[rank].j[k];
52: PetscCall(MatSetValue(A, coo[rank].i[k], coo[rank].j[k], vals[k], ADD_VALUES));
53: }
54: PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
55: PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
57: PetscCall(MatCreate(PETSC_COMM_WORLD, &B));
58: PetscCall(MatSetSizes(B, PETSC_DECIDE, PETSC_DECIDE, M, N));
59: PetscCall(MatSetFromOptions(B));
60: PetscCall(MatSetOption(B, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
61: PetscCall(MatSetPreallocationCOO(B, coo[rank].n, coo[rank].i, coo[rank].j));
63: PetscCall(MatSetValuesCOO(B, vals, ADD_VALUES));
64: PetscCall(MatEqual(A, B, &equal));
66: if (!equal) {
67: PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
68: PetscCall(MatView(B, PETSC_VIEWER_STDOUT_WORLD));
69: SETERRQ(PETSC_COMM_WORLD, PETSC_ERR_PLIB, "MatSetValuesCOO() failed");
70: }
72: PetscCall(PetscFree(vals));
73: PetscCall(MatDestroy(&A));
74: PetscCall(MatDestroy(&B));
76: PetscCall(PetscFinalize());
77: return 0;
78: }
80: /*TEST
82: testset:
83: output_file: output/ex254_1.out
84: nsize: {{1 2 3}}
85: args: -ignore_remote {{0 1}}
87: test:
88: suffix: kokkos
89: requires: kokkos_kernels
90: args: -mat_type aijkokkos
92: test:
93: suffix: cuda
94: requires: cuda
95: args: -mat_type aijcusparse
97: test:
98: suffix: aij
99: args: -mat_type aij
101: testset:
102: # MATHYPRE does not support MAT_IGNORE_OFF_PROC_ENTRIES yet
103: output_file: output/ex254_1.out
104: nsize: {{1 2 3}}
105: suffix: hypre
106: requires: hypre kokkos_kernels
107: args: -ignore_remote 0 -mat_type hypre
109: TEST*/