1 /// @file
2 /// Test FLOP estimation for composite mass matrix operator
3 /// \test Test FLOP estimation for composite mass matrix operator
4 #include <ceed.h>
5 #include <math.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8
9 #include "t320-basis.h"
10
11 /* The mesh comprises of two rows of 3 quadrilaterals followed by one row
12 of 6 triangles:
13 _ _ _
14 |_|_|_|
15 |_|_|_|
16 |/|/|/|
17
18 */
19
main(int argc,char ** argv)20 int main(int argc, char **argv) {
21 Ceed ceed;
22 CeedSize flop_estimate;
23 CeedElemRestriction elem_restriction_x_tet, elem_restriction_u_tet, elem_restriction_q_data_tet, elem_restriction_x_hex, elem_restriction_u_hex,
24 elem_restriction_q_data_hex;
25 CeedBasis basis_x_tet, basis_u_tet, basis_x_hex, basis_u_hex;
26 CeedQFunction qf_mass;
27 CeedOperator op_mass_tet, op_mass_hex, op_mass;
28 CeedVector q_data_tet, q_data_hex;
29 CeedInt num_elem_tet = 6, p_tet = 6, q_tet = 4, num_elem_hex = 6, p_hex = 3, q_hex = 4, dim = 2;
30 CeedInt n_x = 3, n_y = 3, n_x_tet = 3, n_y_tet = 1, n_x_hex = 3;
31 CeedInt row, col, offset;
32 CeedInt num_dofs = (n_x * 2 + 1) * (n_y * 2 + 1), num_qpts_tet = num_elem_tet * q_tet, num_qpts_hex = num_elem_hex * q_hex * q_hex;
33 CeedInt ind_x_tet[num_elem_tet * p_tet], ind_x_hex[num_elem_hex * p_hex * p_hex];
34 CeedScalar q_ref[dim * q_tet], q_weight[q_tet];
35 CeedScalar interp[p_tet * q_tet], grad[dim * p_tet * q_tet];
36
37 CeedInit(argv[1], &ceed);
38
39 // Qdata Vectors
40 CeedVectorCreate(ceed, num_qpts_tet, &q_data_tet);
41 CeedVectorCreate(ceed, num_qpts_hex, &q_data_hex);
42
43 // Set up Tet Elements
44 // -- Restrictions
45 for (CeedInt i = 0; i < num_elem_tet / 2; i++) {
46 col = i % n_x_tet;
47 row = i / n_x_tet;
48 offset = col * 2 + row * (n_x_tet * 2 + 1) * 2;
49
50 ind_x_tet[i * 2 * p_tet + 0] = 2 + offset;
51 ind_x_tet[i * 2 * p_tet + 1] = 9 + offset;
52 ind_x_tet[i * 2 * p_tet + 2] = 16 + offset;
53 ind_x_tet[i * 2 * p_tet + 3] = 1 + offset;
54 ind_x_tet[i * 2 * p_tet + 4] = 8 + offset;
55 ind_x_tet[i * 2 * p_tet + 5] = 0 + offset;
56
57 ind_x_tet[i * 2 * p_tet + 6] = 14 + offset;
58 ind_x_tet[i * 2 * p_tet + 7] = 7 + offset;
59 ind_x_tet[i * 2 * p_tet + 8] = 0 + offset;
60 ind_x_tet[i * 2 * p_tet + 9] = 15 + offset;
61 ind_x_tet[i * 2 * p_tet + 10] = 8 + offset;
62 ind_x_tet[i * 2 * p_tet + 11] = 16 + offset;
63 }
64 CeedElemRestrictionCreate(ceed, num_elem_tet, p_tet, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet,
65 &elem_restriction_x_tet);
66 CeedElemRestrictionCreate(ceed, num_elem_tet, p_tet, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, &elem_restriction_u_tet);
67
68 CeedInt strides_q_data_tet[3] = {1, q_tet, q_tet};
69 CeedElemRestrictionCreateStrided(ceed, num_elem_tet, q_tet, 1, num_qpts_tet, strides_q_data_tet, &elem_restriction_q_data_tet);
70
71 // -- Bases
72 Build2DSimplex(q_ref, q_weight, interp, grad);
73 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, p_tet, q_tet, interp, grad, q_ref, q_weight, &basis_x_tet);
74
75 Build2DSimplex(q_ref, q_weight, interp, grad);
76 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p_tet, q_tet, interp, grad, q_ref, q_weight, &basis_u_tet);
77
78 // -- QFunction
79 CeedQFunctionCreateInteriorByName(ceed, "MassApply", &qf_mass);
80
81 // -- Operators
82 // ---- Mass Tet
83 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_tet);
84 CeedOperatorSetField(op_mass_tet, "u", elem_restriction_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE);
85 CeedOperatorSetField(op_mass_tet, "qdata", elem_restriction_q_data_tet, CEED_BASIS_NONE, q_data_tet);
86 CeedOperatorSetField(op_mass_tet, "v", elem_restriction_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE);
87
88 // Set up Hex Elements
89 // -- Restrictions
90 for (CeedInt i = 0; i < num_elem_hex; i++) {
91 col = i % n_x_hex;
92 row = i / n_x_hex;
93 offset = (n_x_tet * 2 + 1) * (n_y_tet * 2) * (1 + row) + col * 2;
94 for (CeedInt j = 0; j < p_hex; j++) {
95 for (CeedInt k = 0; k < p_hex; k++) ind_x_hex[p_hex * (p_hex * i + k) + j] = offset + k * (n_x_hex * 2 + 1) + j;
96 }
97 }
98 CeedElemRestrictionCreate(ceed, num_elem_hex, p_hex * p_hex, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex,
99 &elem_restriction_x_hex);
100 CeedElemRestrictionCreate(ceed, num_elem_hex, p_hex * p_hex, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, &elem_restriction_u_hex);
101
102 CeedInt strides_q_data_hex[3] = {1, q_hex * q_hex, q_hex * q_hex};
103 CeedElemRestrictionCreateStrided(ceed, num_elem_hex, q_hex * q_hex, 1, num_qpts_hex, strides_q_data_hex, &elem_restriction_q_data_hex);
104
105 // -- Bases
106 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, p_hex, q_hex, CEED_GAUSS, &basis_x_hex);
107 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, p_hex, q_hex, CEED_GAUSS, &basis_u_hex);
108
109 // -- Operators
110 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_hex);
111 CeedOperatorSetField(op_mass_hex, "u", elem_restriction_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE);
112 CeedOperatorSetField(op_mass_hex, "qdata", elem_restriction_q_data_hex, CEED_BASIS_NONE, q_data_hex);
113 CeedOperatorSetField(op_mass_hex, "v", elem_restriction_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE);
114
115 // Set up Composite Operator
116 // -- Create
117 CeedOperatorCreateComposite(ceed, &op_mass);
118 // -- Add SubOperators
119 CeedOperatorCompositeAddSub(op_mass, op_mass_tet);
120 CeedOperatorCompositeAddSub(op_mass, op_mass_hex);
121
122 // Estimate FLOPs
123 CeedQFunctionSetUserFlopsEstimate(qf_mass, 1);
124 CeedOperatorGetFlopsEstimate(op_mass, &flop_estimate);
125
126 // Check output
127 if (flop_estimate != 3042) printf("Incorrect FLOP estimate computed, %" CeedSize_FMT " != 3042\n", flop_estimate);
128
129 // Cleanup
130 CeedVectorDestroy(&q_data_tet);
131 CeedVectorDestroy(&q_data_hex);
132 CeedElemRestrictionDestroy(&elem_restriction_u_tet);
133 CeedElemRestrictionDestroy(&elem_restriction_x_tet);
134 CeedElemRestrictionDestroy(&elem_restriction_q_data_tet);
135 CeedElemRestrictionDestroy(&elem_restriction_u_hex);
136 CeedElemRestrictionDestroy(&elem_restriction_x_hex);
137 CeedElemRestrictionDestroy(&elem_restriction_q_data_hex);
138 CeedBasisDestroy(&basis_u_tet);
139 CeedBasisDestroy(&basis_x_tet);
140 CeedBasisDestroy(&basis_u_hex);
141 CeedBasisDestroy(&basis_x_hex);
142 CeedQFunctionDestroy(&qf_mass);
143 CeedOperatorDestroy(&op_mass_tet);
144 CeedOperatorDestroy(&op_mass_hex);
145 CeedOperatorDestroy(&op_mass);
146 CeedDestroy(&ceed);
147 return 0;
148 }
149