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, C;
7: const PetscInt M = 18, N = 18;
8: PetscBool equal, isHypre;
9: PetscScalar *vals;
10: PetscBool flg = PETSC_FALSE, freecoo = PETSC_FALSE, missing_diagonal = PETSC_FALSE;
11: PetscInt ncoos = 1;
13: // clang-format off
14: /* Construct 18 x 18 matrices, which are big enough to have complex communication patterns but still small enough for debugging */
15: // i0/j0[] has a dense diagonal
16: 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};
17: PetscInt j0[] = {7, 6, 8, 4, 9, 16, 17, 16, 10, 2, 1, 3, 2, 4, 3, 14, 4, 5, 15, 13, 10, 16, 11, 2, 0, 1, 5, -11, 0, 6, 15, 17, 11, 13, 4, 8, 2, 11, 17, 12, 3, 15, 9};
19: // i0/j0[] miss some diagonals
20: 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};
21: 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};
23: 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};
24: 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};
25: // clang-format on
27: typedef struct {
28: PetscInt *i, *j, n;
29: } coo_data;
31: coo_data coos[3] = {
32: {i0, j0, PETSC_STATIC_ARRAY_LENGTH(i0)},
33: {i1, j1, PETSC_STATIC_ARRAY_LENGTH(i1)},
34: {i2, j2, PETSC_STATIC_ARRAY_LENGTH(i2)}
35: };
36: coo_data mycoo;
38: PetscFunctionBeginUser;
39: PetscCall(PetscInitialize(&argc, &args, NULL, help));
40: PetscCall(PetscOptionsGetBool(NULL, NULL, "-ignore_remote", &flg, NULL));
41: PetscCall(PetscOptionsGetInt(NULL, NULL, "-ncoos", &ncoos, NULL));
42: PetscCall(PetscOptionsGetBool(NULL, NULL, "-missing_diagonal", &missing_diagonal, NULL));
44: mycoo.n = 0;
45: if (ncoos > 1) {
46: PetscLayout map;
48: freecoo = PETSC_TRUE;
49: PetscCall(PetscLayoutCreate(PETSC_COMM_WORLD, &map));
50: PetscCall(PetscLayoutSetSize(map, ncoos));
51: PetscCall(PetscLayoutSetUp(map));
52: PetscCall(PetscLayoutGetLocalSize(map, &ncoos));
53: for (PetscInt i = 0; i < ncoos; i++) mycoo.n += coos[i % 3].n;
54: PetscCall(PetscMalloc2(mycoo.n, &mycoo.i, mycoo.n, &mycoo.j));
55: mycoo.n = 0;
56: for (PetscInt i = 0; i < ncoos; i++) {
57: PetscCall(PetscArraycpy(mycoo.i + mycoo.n, coos[i % 3].i, coos[i % 3].n));
58: PetscCall(PetscArraycpy(mycoo.j + mycoo.n, coos[i % 3].j, coos[i % 3].n));
59: mycoo.n += coos[i % 3].n;
60: }
61: PetscCall(PetscLayoutDestroy(&map));
62: } else if (ncoos == 1 && PetscGlobalRank < 3) mycoo = coos[PetscGlobalRank];
64: if (missing_diagonal && PetscGlobalRank == 0) mycoo = coos[1];
66: PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
67: PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, M, N));
68: PetscCall(MatSetType(A, MATAIJ));
69: // Do not preallocate A to also test MatHash with MAT_IGNORE_OFF_PROC_ENTRIES
70: // PetscCall(MatSeqAIJSetPreallocation(A, 2, NULL));
71: // PetscCall(MatMPIAIJSetPreallocation(A, 2, NULL, 2, NULL));
72: PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE));
73: PetscCall(MatSetOption(A, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
75: PetscCall(PetscMalloc1(mycoo.n, &vals));
76: for (PetscInt k = 0; k < mycoo.n; k++) {
77: vals[k] = mycoo.j[k];
78: PetscCall(MatSetValue(A, mycoo.i[k], mycoo.j[k], vals[k], ADD_VALUES));
79: }
80: PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
81: PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
82: PetscCall(MatViewFromOptions(A, NULL, "-a_view"));
84: PetscCall(MatCreate(PETSC_COMM_WORLD, &B));
85: PetscCall(MatSetSizes(B, PETSC_DECIDE, PETSC_DECIDE, M, N));
86: PetscCall(MatSetFromOptions(B));
87: PetscCall(MatSetOption(B, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
88: PetscCall(MatSetPreallocationCOO(B, mycoo.n, mycoo.i, mycoo.j));
90: /* Test with ADD_VALUES on a zeroed matrix */
91: PetscCall(MatSetValuesCOO(B, vals, ADD_VALUES));
92: PetscCall(MatMultEqual(A, B, 10, &equal));
93: if (!equal) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "MatSetValuesCOO() failed\n"));
94: PetscCall(MatViewFromOptions(B, NULL, "-b_view"));
96: /* Test with MatDuplicate on a zeroed matrix */
97: PetscCall(MatDuplicate(B, MAT_DO_NOT_COPY_VALUES, &C));
98: PetscCall(MatSetValuesCOO(C, vals, ADD_VALUES));
99: PetscCall(MatMultEqual(A, C, 10, &equal));
100: if (!equal) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "MatSetValuesCOO() on duplicated matrix failed\n"));
101: PetscCall(MatViewFromOptions(C, NULL, "-c_view"));
103: /* Test aij->diag on COO matrix are correctly set up */
104: PetscCall(PetscObjectTypeCompare((PetscObject)B, MATHYPRE, &isHypre));
105: if (!isHypre) { // TODO: MATHYPRE currently does not support MatSetValues
106: PetscCall(MatShift(A, 2.0));
107: PetscCall(MatShift(B, 2.0));
108: PetscCall(MatMultEqual(A, B, 10, &equal));
109: if (!equal) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "MatShift() on a duplicated COO matrix failed\n"));
110: }
112: PetscCall(PetscFree(vals));
113: if (freecoo) PetscCall(PetscFree2(mycoo.i, mycoo.j));
114: PetscCall(MatDestroy(&A));
115: PetscCall(MatDestroy(&B));
116: PetscCall(MatDestroy(&C));
118: PetscCall(PetscFinalize());
119: return 0;
120: }
122: /*TEST
124: testset:
125: output_file: output/empty.out
126: nsize: {{1 2 3}}
127: args: -ignore_remote {{0 1}} -missing_diagonal {{0 1}}
128: filter: grep -v type | grep -v "Mat Object"
130: test:
131: suffix: kokkos
132: requires: kokkos_kernels
133: args: -mat_type aijkokkos
135: test:
136: suffix: cuda
137: requires: cuda
138: args: -mat_type aijcusparse
140: test:
141: suffix: hip
142: requires: hip
143: args: -mat_type aijhipsparse
145: test:
146: suffix: aij
147: args: -mat_type aij
149: test:
150: suffix: hypre
151: requires: hypre
152: args: -mat_type hypre
154: testset:
155: output_file: output/empty.out
156: nsize: 1
157: args: -ncoos 3
158: filter: grep -v type | grep -v "Mat Object"
160: test:
161: suffix: 2_kokkos
162: requires: kokkos_kernels
163: args: -mat_type aijkokkos
165: test:
166: suffix: 2_cuda
167: requires: cuda
168: args: -mat_type aijcusparse
170: test:
171: suffix: 2_hip
172: requires: hip
173: args: -mat_type aijhipsparse
175: test:
176: suffix: 2_aij
177: args: -mat_type aij
179: test:
180: suffix: 2_hypre
181: requires: hypre
182: args: -mat_type hypre
184: TEST*/