Newer
Older
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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include "mkl.h"
#include "mkl_types.h"
#include "mkl_spblas.h"
#include "mmio.h"
// mkl_?csrgemv y := A*x one based
// void mkl_dcsrgemv (char *transa, MKL_INT *m, double *a, MKL_INT *ia, MKL_INT *ja, double *x, double *y);
// mkl_cspblas_?csrgemv y := A*x zero based
// void mkl_cspblas_dcsrgemv (char *transa, MKL_INT *m, double *a, MKL_INT *ia, MKL_INT *ja, double *x, double *y);
// mkl_?csrmv y := alpha*A*x + beta*y
// void mkl_dcsrmv (char *transa, MKL_INT *m, MKL_INT *k, double *alpha, char *matdescra, double *val, MKL_INT *indx, MKL_INT *pntrb, MKL_INT *pntre, double *x, double *beta, double *y);
// trans='n'
int main(int argc, char* argv[]) {
int ret_code;
MM_typecode matcode;
FILE *f;
int M, N, nz;
int i, *I, *J;
double *val;
if (argc != 5)
{
fprintf(stderr, "Usage: %s [martix-market-filename] [nworker] [num repeat] [null|row/col permutation file]\n", argv[0]);
exit(1);
}
else
{
if ((f = fopen(argv[1], "r")) == NULL)
exit(1);
}
int nworker = atoi(argv[2]);
int num_repeat = atoi(argv[3]);
char* fnrcperm = argv[4];
if (mm_read_banner(f, &matcode) != 0)
{
printf("Could not process Matrix Market banner.\n");
exit(1);
}
/* This is how one can screen matrix types if their application */
/* only supports a subset of the Matrix Market data types. */
if (mm_is_complex(matcode) && mm_is_matrix(matcode) &&
mm_is_sparse(matcode) )
{
printf("Sorry, this application does not support ");
printf("Market Market type: [%s]\n", mm_typecode_to_str(matcode));
exit(1);
}
/* find out size of sparse matrix .... */
if ((ret_code = mm_read_mtx_crd_size(f, &M, &N, &nz)) !=0)
exit(1);
/* reseve memory for matrices */
I = (int *) malloc((mm_is_symmetric(matcode) ? 2*nz : nz) * sizeof(int));
J = (int *) malloc((mm_is_symmetric(matcode) ? 2*nz : nz) * sizeof(int));
val = (double *) malloc((mm_is_symmetric(matcode) ? 2*nz : nz) * sizeof(double));
/* NOTE: when reading in doubles, ANSI C requires the use of the "l" */
/* specifier as in "%lg", "%lf", "%le", otherwise errors will occur */
/* (ANSI C X3.159-1989, Sec. 4.9.6.2, p. 136 lines 13-15) */
int realnnz = 0;
for (i=0; i<nz; i++)
{
if(mm_is_pattern(matcode)) {
fscanf(f, "%d %d\n", &I[realnnz], &J[realnnz]);
val[realnnz] = 1.0;
}
else
fscanf(f, "%d %d %lg\n", &I[realnnz], &J[realnnz], &val[realnnz]);
I[realnnz]--; /* adjust from 1-based to 0-based */
J[realnnz]--;
if(mm_is_symmetric(matcode) && I[realnnz] != J[realnnz]) {
I[realnnz+1] = J[realnnz];
J[realnnz+1] = I[realnnz];
val[realnnz+1] = val[realnnz];
realnnz++;
}
realnnz++;
}
if (f !=stdin) fclose(f);
/************************/
/* now write out matrix */
/************************/
// mm_write_banner(stdout, matcode);
// mm_write_mtx_crd_size(stdout, M, N, nz);
//for (i=0; i<realnnz; i++) fprintf(stderr, "%d %d %20.19g\n", I[i]+1, J[i]+1, val[i]);
//int* rperm = NULL;
//int* cperm = NULL;
if(!strcasecmp(fnrcperm, "null")) {
} else {
int* rperm = (int*)calloc(M, sizeof(int));
int* cperm = (int*)calloc(N, sizeof(int));
FILE* fpPerm = fopen(fnrcperm, "r");
if(fpPerm == NULL) {
fprintf(stderr, "%s cannot be opened\n", fnrcperm);
exit(-3);
}
for(i = 0; i < M; i++){
fscanf(fpPerm, "%d\n", &rperm[i]);
}
for(i = 0; i < N; i++){
fscanf(fpPerm, "%d\n", &cperm[i]);
}
fclose(fpPerm);
for (i=0; i<realnnz; i++){
I[i] = rperm[I[i]];
J[i] = cperm[J[i]];
}
}
MKL_INT m = M, n = N, nnz = realnnz;
double alpha = 1.0, beta = 0.0;
char transa;
char matdescra[6];
double* vecin = (double*) mkl_malloc( n * sizeof( double ), 64 );
double* vecout = (double*) mkl_malloc( m * sizeof( double ), 64 );
double* Acsr = (double*) mkl_malloc( nnz * sizeof( double ), 64 );
MKL_INT* AJ = (MKL_INT*)mkl_malloc( nnz * sizeof( MKL_INT ), 64 );
MKL_INT* AI = (MKL_INT*)mkl_malloc( (n+1) * sizeof( MKL_INT ), 64 );
// coo to csr
MKL_INT info = 0;
MKL_INT job[8];
job[1]=0; // zero based indexing in csr
job[2]=0; // zero based indexing in coo
job[3]=2; // I don't know
job[4]=nnz; // nnz
job[0]=1; // coo to csr
job[5]=0; // Acsr and AJR allocated by user
//void mkl_dcsrcoo (MKL_INT * job, MKL_INT * n, double *Acsr, MKL_INT * AJR, MKL_INT *AIR, MKL_INT * nnz, double *Acoo, MKL_INT * ir, MKL_INT * jc, MKL_INT * info);
mkl_dcsrcoo (job,&m, Acsr, AJ, AI, &nnz, val, I, J, &info);
/* for(i = 0; i < m; i++) {
printf("%d: ", i+1);
int j;
for(j = AI[i]; j < AI[i+1]; j++) {
printf("%d:%g ", AJ[j]+1, Acsr[j]);
}
printf("\n");
}
*/
for(i = 0; i < n; i++) {
vecin[i] = 1.0;
}
for(i = 0; i < m; i++) {
vecout[i] = 0.0;
}
transa = 'n';
int max_threads = 0;
int micdev = 0;
#pragma offload target(mic:micdev) inout(max_threads)
{
max_threads = mkl_get_max_threads();
mkl_set_num_threads(nworker);
} printf("MIC started \n"); fflush(stdout);
#pragma offload target(mic:micdev) \
in(transa) \
in(m) \
in(Acsr:length(nnz) free_if(0)) \
in(AI:length(n+1) free_if(0)) \
in(AJ:length(nnz) free_if(0)) \
in(vecin:length(n) free_if(0)) \
in(vecout:length(m) free_if(0))
{}
#pragma offload target(mic:micdev) \
in(transa) \
in(m) \
in(Acsr:length(nnz) alloc_if(0) free_if(0)) \
in(AI:length(n+1) alloc_if(0) free_if(0)) \
in(AJ:length(nnz) alloc_if(0) free_if(0)) \
in(vecin:length(n) alloc_if(0) free_if(0)) \
in(vecout:length(m) alloc_if(0) free_if(0))
{
int i;
for(i = 0; i < 1; i++) {
mkl_cspblas_dcsrgemv(&transa, &m, Acsr, AI, AJ, vecin, vecout);
}
}
#pragma offload target(mic:micdev) \
in(transa) \
in(m) \
nocopy(Acsr:length(nnz) alloc_if(0) free_if(0)) \
nocopy(AI:length(n+1) alloc_if(0) free_if(0)) \
nocopy(AJ:length(nnz) alloc_if(0) free_if(0)) \
nocopy(vecin:length(n) alloc_if(0) free_if(0)) \
nocopy(vecout:length(m) alloc_if(0) free_if(0))
{
int i;
for(i = 0; i < 1; i++) {
mkl_cspblas_dcsrgemv(&transa, &m, Acsr, AI, AJ, vecin, vecout);
}
}
#pragma offload target(mic:micdev) \
nocopy(Acsr:length(nnz) alloc_if(0) free_if(1)) \
nocopy(AI:length(n+1) alloc_if(0) free_if(1)) \
nocopy(AJ:length(nnz) alloc_if(0) free_if(1)) \
nocopy(vecin:length(n) alloc_if(0) free_if(1)) \
out(vecout:length(m) alloc_if(0) free_if(1))
{}
double* vecincpu = (double*) mkl_malloc( n * sizeof( double ), 64 );
double* vecoutcpu = (double*) mkl_malloc( m * sizeof( double ), 64 );
for(i = 0; i < n; i++) {
vecincpu[i] = 1.0;
}
for(i = 0; i < m; i++) {
vecoutcpu[i] = 0.0;
}
double s_initial = dsecnd();
//mkl_cspblas_dcsrgemv(&transa, &m, values, rowIndex, columns, sol_vec, rhs_vec);
for(i = 0; i < 1; i++) {
mkl_cspblas_dcsrgemv(&transa, &m, Acsr, AI, AJ, vecincpu, vecoutcpu);
}
double s_elapsed = dsecnd() - s_initial; // seconds
double maxdiff = 0.00001;
for(i = 0; i < m; i++){
double diff = fabs(vecout[i] - vecoutcpu[i]);
if(diff>maxdiff){
printf("%g\t%g\t%g\n", diff, vecout[i], vecoutcpu[i]);
}
}
printf("\n");
printf("%s %d %d %g %d %s\n", argv[1], nworker, max_threads, s_elapsed, num_repeat, fnrcperm);
// mkl_free(A);
return 0;
}