xref: /petsc/src/mat/tests/ex254.c (revision bcee047adeeb73090d7e36cc71e39fc287cdbb97)
1 static char help[] = "Test MatSetValuesCOO for MPIAIJ and its subclasses \n\n";
2 
3 #include <petscmat.h>
4 int main(int argc, char **args)
5 {
6   Mat            A, B, C;
7   PetscInt       k;
8   const PetscInt M = 18, N = 18;
9   PetscBool      equal;
10   PetscScalar   *vals;
11   PetscBool      flg = PETSC_FALSE, freecoo = PETSC_FALSE;
12   PetscInt       ncoos = 1;
13 
14   // clang-format off
15   /* Construct 18 x 18 matrices, which are big enough to have complex communication patterns but still small enough for debugging */
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[] = {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 
19   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};
20   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 
22   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};
23   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   // clang-format on
25 
26   typedef struct {
27     PetscInt *i, *j, n;
28   } coo_data;
29 
30   coo_data coos[3] = {
31     {i0, j0, sizeof(i0) / sizeof(PetscInt)},
32     {i1, j1, sizeof(i1) / sizeof(PetscInt)},
33     {i2, j2, sizeof(i2) / sizeof(PetscInt)}
34   };
35   coo_data mycoo;
36 
37   PetscFunctionBeginUser;
38   PetscCall(PetscInitialize(&argc, &args, (char *)0, help));
39   PetscCall(PetscOptionsGetBool(NULL, NULL, "-ignore_remote", &flg, NULL));
40   PetscCall(PetscOptionsGetInt(NULL, NULL, "-ncoos", &ncoos, NULL));
41 
42   mycoo.n = 0;
43   if (ncoos > 1) {
44     PetscLayout map;
45 
46     freecoo = PETSC_TRUE;
47     PetscCall(PetscLayoutCreate(PETSC_COMM_WORLD, &map));
48     PetscCall(PetscLayoutSetSize(map, ncoos));
49     PetscCall(PetscLayoutSetUp(map));
50     PetscCall(PetscLayoutGetLocalSize(map, &ncoos));
51     for (PetscInt i = 0; i < ncoos; i++) mycoo.n += coos[i % 3].n;
52     PetscCall(PetscMalloc2(mycoo.n, &mycoo.i, mycoo.n, &mycoo.j));
53     mycoo.n = 0;
54     for (PetscInt i = 0; i < ncoos; i++) {
55       PetscCall(PetscArraycpy(mycoo.i + mycoo.n, coos[i % 3].i, coos[i % 3].n));
56       PetscCall(PetscArraycpy(mycoo.j + mycoo.n, coos[i % 3].j, coos[i % 3].n));
57       mycoo.n += coos[i % 3].n;
58     }
59     PetscCall(PetscLayoutDestroy(&map));
60   } else if (ncoos == 1 && PetscGlobalRank < 3) mycoo = coos[PetscGlobalRank];
61 
62   PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
63   PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, M, N));
64   PetscCall(MatSetType(A, MATAIJ));
65   PetscCall(MatSeqAIJSetPreallocation(A, 2, NULL));
66   PetscCall(MatMPIAIJSetPreallocation(A, 2, NULL, 2, NULL));
67   PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE));
68   PetscCall(MatSetOption(A, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
69 
70   PetscCall(PetscMalloc1(mycoo.n, &vals));
71   for (k = 0; k < mycoo.n; k++) {
72     vals[k] = mycoo.j[k];
73     PetscCall(MatSetValue(A, mycoo.i[k], mycoo.j[k], vals[k], ADD_VALUES));
74   }
75   PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
76   PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
77   PetscCall(MatViewFromOptions(A, NULL, "-a_view"));
78 
79   PetscCall(MatCreate(PETSC_COMM_WORLD, &B));
80   PetscCall(MatSetSizes(B, PETSC_DECIDE, PETSC_DECIDE, M, N));
81   PetscCall(MatSetFromOptions(B));
82   PetscCall(MatSetOption(B, MAT_IGNORE_OFF_PROC_ENTRIES, flg));
83   PetscCall(MatSetPreallocationCOO(B, mycoo.n, mycoo.i, mycoo.j));
84 
85   /* Test with ADD_VALUES on a zeroed matrix */
86   PetscCall(MatSetValuesCOO(B, vals, ADD_VALUES));
87   PetscCall(MatMultEqual(A, B, 10, &equal));
88   if (!equal) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "MatSetValuesCOO() failed\n"));
89   PetscCall(MatViewFromOptions(B, NULL, "-b_view"));
90 
91   /* Test with MatDuplicate on a zeroed matrix */
92   PetscCall(MatDuplicate(B, MAT_DO_NOT_COPY_VALUES, &C));
93   PetscCall(MatDestroy(&B));
94   PetscCall(MatSetValuesCOO(C, vals, ADD_VALUES));
95   PetscCall(MatMultEqual(A, C, 10, &equal));
96   if (!equal) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "MatSetValuesCOO() on duplicated matrix failed\n"));
97   PetscCall(MatViewFromOptions(C, NULL, "-c_view"));
98 
99   PetscCall(PetscFree(vals));
100   if (freecoo) PetscCall(PetscFree2(mycoo.i, mycoo.j));
101   PetscCall(MatDestroy(&A));
102   PetscCall(MatDestroy(&C));
103 
104   PetscCall(PetscFinalize());
105   return 0;
106 }
107 
108 /*TEST
109 
110   testset:
111     output_file: output/ex254_1.out
112     nsize: {{1 2 3}}
113     args: -ignore_remote {{0 1}}
114     filter: grep -v type | grep -v "Mat Object"
115 
116     test:
117       suffix: kokkos
118       requires: kokkos_kernels
119       args: -mat_type aijkokkos
120 
121     test:
122       suffix: cuda
123       requires: cuda
124       args: -mat_type aijcusparse
125 
126     test:
127       suffix: hip
128       requires: hip
129       args: -mat_type aijhipsparse
130 
131     test:
132       suffix: aij
133       args: -mat_type aij
134 
135     test:
136       suffix: hypre
137       requires: hypre
138       args: -mat_type hypre
139 
140   testset:
141     output_file: output/ex254_2.out
142     nsize: 1
143     args: -ncoos 3
144     filter: grep -v type | grep -v "Mat Object"
145 
146     test:
147       suffix: 2_kokkos
148       requires: kokkos_kernels
149       args: -mat_type aijkokkos
150 
151     test:
152       suffix: 2_cuda
153       requires: cuda
154       args: -mat_type aijcusparse
155 
156     test:
157       suffix: 2_hip
158       requires: hip
159       args: -mat_type aijhipsparse
160 
161     test:
162       suffix: 2_aij
163       args: -mat_type aij
164 
165     test:
166       suffix: 2_hypre
167       requires: hypre
168       args: -mat_type hypre
169 
170 TEST*/
171