1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from sparse/testing/testing_zsolver_rhs_scaling.cpp, normal z -> c, Wed Jan 22 14:42:52 2025
@author Hartwig Anzt
@author Stephen Wood
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "magma_v2.h"
#include "magmasparse.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- testing any solver
*/
int main( int argc, char** argv )
{
magma_int_t info = 0;
TESTING_CHECK( magma_init() );
magma_print_environment();
magma_copts zopts;
magma_queue_t queue=NULL;
magma_queue_create( 0, &queue );
//Chronometry
real_Double_t tempo1, tempo2, t_transfer = 0.0;
magmaFloatComplex one = MAGMA_C_MAKE(1.0, 0.0);
magmaFloatComplex zero = MAGMA_C_MAKE(0.0, 0.0);
magmaFloatComplex negone = MAGMA_C_MAKE(-1.0, 0.0);
magma_c_matrix A={Magma_CSR}, B={Magma_CSR}, B_d={Magma_CSR};
magma_c_matrix x={Magma_CSR}, x_h={Magma_CSR}, b_h={Magma_DENSE}, b={Magma_DENSE};
magma_c_matrix A_org={Magma_CSR};
magma_c_matrix b_org={Magma_DENSE};
magma_c_matrix scaling_factors={Magma_DENSE};
magma_c_matrix y_check={Magma_DENSE};
float residual = 0.0;
int i=1;
TESTING_CHECK( magma_cparse_opts( argc, argv, &zopts, &i, queue ));
// TODO: integrate option to specify which sides diagonal matrices
// of scaling factors are applied to the orginal matrix into the
// command line options
//magma_side_t side = MagmaLeft;
//magma_side_t side = MagmaRight;
magma_side_t side = MagmaBothSides;
B.blocksize = zopts.blocksize;
B.alignment = zopts.alignment;
// make sure preconditioner is NONE for unpreconditioned systems
if ( zopts.solver_par.solver != Magma_PCG &&
zopts.solver_par.solver != Magma_PCGMERGE &&
zopts.solver_par.solver != Magma_PGMRES &&
zopts.solver_par.solver != Magma_PBICGSTAB &&
zopts.solver_par.solver != Magma_ITERREF &&
zopts.solver_par.solver != Magma_PIDR &&
zopts.solver_par.solver != Magma_PCGS &&
zopts.solver_par.solver != Magma_PCGSMERGE &&
zopts.solver_par.solver != Magma_PTFQMR &&
zopts.solver_par.solver != Magma_PTFQMRMERGE &&
zopts.solver_par.solver != Magma_LOBPCG )
{
zopts.precond_par.solver = Magma_NONE;
}
TESTING_CHECK( magma_csolverinfo_init( &zopts.solver_par, &zopts.precond_par, queue ));
// more iterations
while( i < argc ) {
if ( strcmp("LAPLACE2D", argv[i]) == 0 && i+1 < argc ) { // Laplace test
i++;
magma_int_t laplace_size = atoi( argv[i] );
TESTING_CHECK( magma_cm_5stencil( laplace_size, &A, queue ));
TESTING_CHECK( magma_cvinit( &b_h, Magma_CPU, A.num_cols, 1, one, queue ));
} else { // file-matrix test
TESTING_CHECK( magma_c_csr_mtx( &A, argv[i], queue ));
if ( strcmp("ONES", argv[i+1]) == 0 ) {
TESTING_CHECK( magma_cvinit( &b_h, Magma_CPU, A.num_cols, 1, one, queue ));
}
else {
TESTING_CHECK( magma_cvread( &b_h, A.num_cols, argv[i+1], queue ));
}
i++;
}
printf( "\n%% matrix info: %lld-by-%lld with %lld nonzeros\n\n",
(long long) A.num_rows, (long long) A.num_cols, (long long) A.nnz );
printf("matrixinfo = [\n");
printf("%% size (m x n) || nonzeros (nnz) || nnz/m\n");
printf("%%=============================================================%%\n");
printf(" %8lld %8lld %10lld %10lld\n",
(long long) A.num_rows, (long long) A.num_cols, (long long) A.nnz,
(long long) (A.nnz/A.num_rows) );
printf("%%=============================================================%%\n");
printf("];\n");
// for the eigensolver case
zopts.solver_par.ev_length = A.num_cols;
TESTING_CHECK( magma_ceigensolverinfo_init( &zopts.solver_par, queue ));
fflush(stdout);
t_transfer = 0.0;
zopts.precond_par.setuptime = 0.0;
zopts.precond_par.runtime = 0.0;
// copy the original system before scaling
TESTING_CHECK( magma_cmtransfer( A, &A_org, Magma_CPU, Magma_DEV, queue ));
TESTING_CHECK( magma_cmtransfer( b_h, &b_org, Magma_CPU, Magma_DEV, queue ));
// scale matrix
if ( zopts.scaling != Magma_NOSCALE ) {
TESTING_CHECK( magma_cvinit( &scaling_factors, Magma_CPU, A.num_rows, 1, zero, queue ));
// magma_cmscale_matrix_rhs to be deprecated
//TESTING_CHECK( magma_cmscale_matrix_rhs( &A, &b_h, &scaling_factors, zopts.scaling, queue ));
TESTING_CHECK( magma_cmscale_generate( 1, &zopts.scaling, &side,
&A, &scaling_factors, queue ) );
TESTING_CHECK( magma_cmscale_apply( 1, &side,
&scaling_factors, &A, queue ) );
TESTING_CHECK( magma_cdimv( &scaling_factors, &b_h, queue ) );
}
i++;
tempo1 = magma_sync_wtime( queue );
magma_c_vtransfer(b_h, &b, Magma_CPU, Magma_DEV, queue);
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
// preconditioner
if ( zopts.solver_par.solver != Magma_ITERREF ) {
TESTING_CHECK( magma_c_precondsetup( A, b, &zopts.solver_par, &zopts.precond_par, queue ) );
}
// make sure alignment is 1 for SELLP
B.alignment = 1;
B.blocksize = 256;
TESTING_CHECK( magma_cmconvert( A, &B, Magma_CSR, zopts.output_format, queue ));
tempo1 = magma_sync_wtime( queue );
TESTING_CHECK( magma_cmtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue ));
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
TESTING_CHECK( magma_cvinit( &x, Magma_DEV, A.num_cols, 1, zero, queue ));
info = magma_c_solver( B_d, b, &x, &zopts, queue );
if( info != 0 ) {
printf("%% error: solver returned: %s (%lld).\n",
magma_strerror( info ), (long long) info );
}
TESTING_CHECK( magma_cvinit( &y_check, Magma_DEV, A.num_rows, 1, zero, queue ));
TESTING_CHECK( magma_c_spmv( one, B_d, x, zero, y_check, queue ) );
magma_caxpy( A.num_rows, negone, b.val, 1, y_check.val, 1, queue );
residual = magma_scnrm2( A.num_rows, y_check.val, 1, queue );
printf("%% scaled system residual check = %e\n", residual);
TESTING_CHECK( magma_cvinit( &y_check, Magma_DEV, A.num_rows, 1, zero, queue ));
TESTING_CHECK( magma_c_spmv( one, A_org, x, zero, y_check, queue ) );
magma_caxpy( A_org.num_rows, negone, b_org.val, 1, y_check.val, 1, queue );
residual = magma_scnrm2( A_org.num_rows, y_check.val, 1, queue );
printf("%% original system residual check = %e\n", residual);
if ( ( zopts.scaling != Magma_NOSCALE ) &&
( ( side == MagmaRight ) // Magma_UNITROWCOL and Magma_UNITDIAGCOL to be deprecated
|| ( side == MagmaBothSides )
|| ( zopts.scaling == Magma_UNITROWCOL )
|| ( zopts.scaling == Magma_UNITDIAGCOL ) ) ) {
printf("%% rescaling computed solution for scaling %d\n", zopts.scaling);
//magma_cmfree(&x_h, queue );
//magma_c_vtransfer(x, &x_h, Magma_DEV, Magma_CPU, queue);
//TESTING_CHECK( magma_cdimv( &scaling_factors, &x_h, queue ) );
TESTING_CHECK( magma_cdimv( &scaling_factors, &x, queue ) );
//magma_cmfree(&x, queue );
//magma_c_vtransfer(x_h, &x, Magma_CPU, Magma_DEV, queue);
TESTING_CHECK( magma_cvinit( &y_check, Magma_DEV, A.num_rows, 1, zero, queue ));
TESTING_CHECK( magma_c_spmv( one, A_org, x, zero, y_check, queue ) );
magma_caxpy( A_org.num_rows, negone, b_org.val, 1, y_check.val, 1, queue );
residual = magma_scnrm2( A_org.num_rows, y_check.val, 1, queue );
printf("%% original system residual check = %e\n", residual);
}
magma_cmfree(&x_h, queue );
tempo1 = magma_sync_wtime( queue );
magma_c_vtransfer(x, &x_h, Magma_DEV, Magma_CPU, queue);
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
printf("data = [\n");
magma_csolverinfo( &zopts.solver_par, &zopts.precond_par, queue );
printf("];\n\n");
printf("precond_info = [\n");
printf("%% setup runtime\n");
printf(" %.6f %.6f\n",
zopts.precond_par.setuptime, zopts.precond_par.runtime );
printf("];\n\n");
printf("transfer_time = %.6f;\n\n", t_transfer);
magma_cmfree(&x, queue );
magma_cmfree(&b, queue );
magma_cmfree(&B_d, queue );
magma_cmfree(&B, queue );
magma_csolverinfo_free( &zopts.solver_par, &zopts.precond_par, queue );
fflush(stdout);
magma_cmfree(&B_d, queue );
magma_cmfree(&B, queue );
magma_cmfree(&A, queue );
magma_cmfree(&x, queue );
magma_cmfree(&x_h, queue );
magma_cmfree(&A_org, queue );
magma_cmfree(&b_org, queue );
magma_cmfree(&scaling_factors, queue );
magma_cmfree(&y_check, queue );
i++;
}
magma_queue_destroy( queue );
TESTING_CHECK( magma_finalize() );
return info;
}
|
