Mercurial > hg > Game > Cerium
annotate example/fft/main.cc @ 2013:d43c2b7932ea draft
fix
| author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 01 Jul 2014 11:17:12 +0900 |
| parents | 9360e782a431 |
| children | 8c618e912c88 |
| rev | line source |
|---|---|
| 1551 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <math.h> | |
| 4 #include <sys/stat.h> | |
| 5 #include <fcntl.h> | |
| 6 #include <sys/time.h> | |
| 7 #include "TaskManager.h" | |
| 1727 | 8 #include "GpuScheduler.h" |
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9 #include "SchedTask.h" |
| 1551 | 10 #include "Func.h" |
| 11 #ifdef __APPLE__ | |
| 12 #include <OpenCL/opencl.h> | |
| 13 #else | |
| 14 #include <CL/cl.h> | |
| 15 #endif | |
| 16 #include "pgm.h" | |
| 17 extern void task_init(); | |
| 1815 | 18 #ifdef GPU |
| 1727 | 19 extern void gpu_task_init(); |
| 1779 | 20 #endif |
| 1551 | 21 #define PI 3.14159265358979 |
| 22 | |
| 23 #define MAX_SOURCE_SIZE (0x100000) | |
| 24 | |
| 25 #define AMP(a, b) (sqrt((a)*(a)+(b)*(b))) | |
| 26 | |
| 27 static double st_time; | |
| 28 static double ed_time; | |
| 29 void TMend(TaskManager *); | |
| 30 cl_device_id device_id = NULL; | |
| 31 cl_context context = NULL; | |
| 32 cl_command_queue queue = NULL; | |
| 33 cl_program program = NULL; | |
| 1752 | 34 CPU_TYPE spe_cpu = SPE_ANY; |
| 1551 | 35 |
| 1646 | 36 cl_float2* xm; |
| 37 cl_float2* rm; | |
| 38 cl_float2* wm; | |
| 39 pgm_t ipgm; | |
| 40 | |
| 1551 | 41 enum Mode { |
| 42 forward = 0, | |
| 43 inverse = 1 | |
| 44 }; | |
| 45 | |
| 46 static double | |
| 47 getTime() | |
| 48 { | |
| 49 struct timeval tv; | |
| 50 gettimeofday(&tv, NULL); | |
| 51 return tv.tv_sec + (double)tv.tv_usec*1e-6; | |
| 52 } | |
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53 |
| 1646 | 54 void |
| 55 output() | |
| 56 { | |
| 57 int n = ipgm.width; | |
| 58 float* ampd; | |
| 59 ampd = (float*)malloc(n*n*sizeof(float)); | |
| 60 for (int i=0; i < n; i++) { | |
| 61 for (int j=0; j < n; j++) { | |
| 62 ampd[n*((i))+((j))] = (AMP(((float*)xm)[(2*n*i)+2*j], ((float*)xm)[(2*n*i)+2*j+1])); | |
| 63 } | |
| 64 } | |
| 65 pgm_t opgm; | |
| 66 opgm.width = n; | |
| 67 opgm.height = n; | |
| 68 normalizeF2PGM(&opgm, ampd); | |
| 69 free(ampd); | |
| 70 | |
| 71 // Write out image | |
| 72 writePGM(&opgm, "output.pgm"); | |
| 73 | |
| 74 // Finalizations | |
| 75 destroyPGM(&ipgm); | |
| 76 destroyPGM(&opgm); | |
| 77 | |
| 78 free(wm); | |
| 79 free(rm); | |
| 80 free(xm); | |
| 81 } | |
| 82 | |
| 1551 | 83 const char *usr_help_str = "Usage: ./fft [option]\n \ |
| 84 options\n\ | |
| 85 -cpu Number of SPE used (default 1)\n\ | |
| 86 -l, --length Sorted number of data (default 1200)\n\ | |
| 87 -h, --help Print this message"; | |
| 88 | |
| 89 int setWorkSize(size_t* gws, size_t* lws, cl_int x, cl_int y) | |
| 90 { | |
| 91 switch(y) { | |
| 92 case 1: | |
| 93 gws[0] = x; | |
| 94 gws[1] = 1; | |
| 95 lws[0] = 1; | |
| 96 lws[1] = 1; | |
| 97 break; | |
| 98 default: | |
| 99 gws[0] = x; | |
| 100 gws[1] = y; | |
| 101 lws[0] = 1; | |
| 102 lws[1] = 1; | |
| 103 break; | |
| 104 } | |
| 105 | |
| 106 return 0; | |
| 107 } | |
| 108 | |
| 1646 | 109 HTask* |
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110 fftCore(TaskManager *manager,cl_float2 *dst, cl_float2 *src, cl_float2 *spin, long m, enum Mode direction,HTask* waitTask) |
| 1551 | 111 { |
| 1673 | 112 long direction_flag; |
| 1551 | 113 switch (direction) { |
| 1643 | 114 case forward:direction_flag = 0x00000000; break; |
| 115 case inverse:direction_flag = 0x80000000; break; | |
| 1551 | 116 } |
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117 long n = 1<<m; |
| 1551 | 118 size_t gws[2],lws[2]; |
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119 int length_dst = n*n; |
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120 int length_src = n*n; |
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121 |
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122 HTask* brev = manager->create_task(BIT_REVERSE); |
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123 setWorkSize(gws,lws,n,n); |
| 1835 | 124 brev->set_param(0,m); |
| 125 brev->set_param(1,n); | |
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126 brev->set_inData(0, src, length_src*sizeof(cl_float2)); |
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127 brev->set_outData(0, dst, length_dst*sizeof(cl_float2)); |
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128 brev->set_cpu(spe_cpu); |
| 1646 | 129 brev->wait_for(waitTask); |
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130 brev->iterate(gws[0],gws[1]); |
| 1551 | 131 |
| 1658 | 132 waitTask = brev; |
| 133 | |
| 1643 | 134 setWorkSize(gws,lws,n/2,n); |
| 1658 | 135 for(int iter=1;iter<=m;iter++) { |
| 136 HTask* bfly = manager->create_task(BUTTERFLY); | |
| 1835 | 137 bfly->set_param(0,n); |
| 138 bfly->set_param(1,direction_flag); | |
| 139 bfly->set_param(2,(long)iter); | |
| 1658 | 140 bfly->set_inData(0, dst, length_dst*sizeof(cl_float2)); |
| 141 bfly->set_inData(1, spin, sizeof(cl_float2)*(n/2)); | |
| 142 bfly->set_outData(0,dst,length_dst*sizeof(cl_float2)); | |
| 143 bfly->set_cpu(spe_cpu); | |
| 144 bfly->wait_for(waitTask); | |
| 145 bfly->iterate(gws[0],gws[1]); | |
| 146 waitTask = bfly; | |
| 147 } | |
| 1551 | 148 |
| 149 if (direction == inverse) { | |
| 1658 | 150 setWorkSize(gws,lws,n,n); |
| 1551 | 151 HTask *norm = manager->create_task(NORMALIZATION); |
| 1658 | 152 norm->set_inData(0,dst,length_dst*sizeof(cl_float2)); |
| 1571 | 153 norm->set_outData(0, dst, length_dst*sizeof(cl_float2)); |
| 1835 | 154 norm->set_param(0,n); |
| 1551 | 155 norm->set_cpu(spe_cpu); |
| 1658 | 156 norm->wait_for(waitTask); |
| 1656 | 157 norm->iterate(gws[0],gws[1]); |
| 1646 | 158 |
| 159 waitTask = norm; | |
| 1551 | 160 } |
| 1646 | 161 return waitTask; |
| 1551 | 162 } |
| 163 | |
| 164 char * | |
| 165 init(int argc, char**argv){ | |
| 166 | |
| 167 char *filename = 0; | |
| 168 | |
| 1689 | 169 // printf("%s ",argv[4]); |
| 1551 | 170 for (int i = 1; argv[i]; ++i) { |
| 171 if (strcmp(argv[i], "-file") == 0) { | |
| 172 filename = argv[i+1]; | |
| 173 } else if (strcmp(argv[i], "-g") == 0) { | |
| 174 spe_cpu = GPU_0; | |
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175 } else if (strcmp(argv[i], "-any") == 0) { |
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176 spe_cpu = ANY_ANY; |
| 1551 | 177 } |
| 178 } | |
| 179 if ( (argc == 1)||(filename==0)) { | |
| 1643 | 180 printf("Usage: ./fft -file [image filename] -cpu or -gpu\n"); |
| 1551 | 181 exit(-1); |
| 182 } | |
| 183 | |
| 184 return filename; | |
| 185 } | |
| 186 | |
| 187 void | |
| 188 run_start(TaskManager *manager,pgm_t ipgm) | |
| 189 { | |
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190 long n = ipgm.width; |
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parents:
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191 long m = (cl_int)(log((double)n)/log(2.0)); |
| 1643 | 192 size_t *gws = new size_t[2]; |
| 193 size_t *lws = new size_t[2]; | |
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194 |
| 1646 | 195 xm = (cl_float2 *)malloc(n * n * sizeof(cl_float2)); |
| 196 rm = (cl_float2 *)malloc(n * n * sizeof(cl_float2)); | |
| 197 wm = (cl_float2 *)malloc(n / 2 * sizeof(cl_float2)); | |
| 198 | |
| 199 HTask* waitTask; | |
| 1551 | 200 /* |
| 201 * [cl_float2] | |
| 202 * typedef union | |
| 203 * { | |
| 204 * cl_float CL_ALIGNED(8) s[2]; | |
| 205 * #if defined( __GNUC__) && ! defined( __STRICT_ANSI__ ) | |
| 206 * __extension__ struct{ cl_float x, y; }; | |
| 207 * __extension__ struct{ cl_float s0, s1; }; | |
| 208 * __extension__ struct{ cl_float lo, hi; }; | |
| 209 * #endif | |
| 210 * #if defined( __CL_FLOAT2__) | |
| 211 * __cl_float2 v2; | |
| 212 * #endif | |
| 213 * } cl_float2; | |
| 214 */ | |
| 1643 | 215 for (int i=0; i<n; i++) { |
| 216 for (int j=0; j < n; j++) { | |
| 217 ((float*)xm)[(2*n*j)+2*i+0] = (float)ipgm.buf[n*j+i]; | |
| 218 ((float*)xm)[(2*n*j)+2*i+1] = (float)0; | |
| 1551 | 219 } |
| 220 } | |
| 1579 | 221 |
| 222 // Create spin factor | |
| 1658 | 223 setWorkSize(gws,lws,n/2,1); |
| 1643 | 224 int length_w = n / 2; |
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225 HTask* sfac = manager->create_task(SPIN_FACT); |
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226 sfac->set_outData(0, wm, length_w*sizeof(cl_float2)); |
| 1835 | 227 sfac->set_param(0,n); |
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228 sfac->set_cpu(spe_cpu); |
| 1656 | 229 sfac->iterate(gws[0]); |
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230 |
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231 // Butterfly Operation |
| 1646 | 232 waitTask = fftCore(manager, rm, xm, wm, m, forward,sfac); |
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233 |
| 1551 | 234 // Transpose matrix |
| 1643 | 235 int length_r =n*n; |
| 1656 | 236 setWorkSize(gws,lws,n,n); |
| 237 HTask* first_trns = manager->create_task(TRANSPOSE); | |
| 238 first_trns->set_inData(0,rm,length_r*sizeof(cl_float2)); | |
| 239 first_trns->set_outData(0,xm,length_r*sizeof(cl_float2)); | |
| 1835 | 240 first_trns->set_param(0,n); |
| 1971 | 241 first_trns->set_cpu(spe_cpu); |
| 1656 | 242 first_trns->wait_for(waitTask); |
| 243 first_trns->iterate(gws[0],gws[1]); | |
| 244 | |
| 1551 | 245 // Butterfly Operation |
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246 waitTask = fftCore(manager, rm, xm, wm, m, forward,first_trns); |
| 1551 | 247 |
| 248 // Apply high-pass filter | |
| 249 HTask *hpfl = manager->create_task(HIGH_PASS_FILTER); | |
| 1643 | 250 cl_int radius = n/8; |
| 1656 | 251 setWorkSize(gws,lws,n,n); |
| 1658 | 252 hpfl->set_inData(0,rm,length_r*sizeof(cl_float2)); |
| 1551 | 253 hpfl->set_outData(0, rm, length_r*sizeof(cl_float2)); |
| 1835 | 254 hpfl->set_param(0,n); |
| 255 hpfl->set_param(1,(long)radius); | |
| 1551 | 256 hpfl->set_cpu(spe_cpu); |
| 1656 | 257 hpfl->wait_for(waitTask); |
| 1643 | 258 hpfl->iterate(gws[0],gws[1]); |
| 1656 | 259 |
| 1551 | 260 // Inverse FFT |
| 261 | |
| 262 // Butterfly Operation | |
| 1646 | 263 waitTask = fftCore(manager,xm, rm, wm, m, inverse,hpfl); |
| 1551 | 264 |
| 265 // Transpose matrix | |
| 1643 | 266 setWorkSize(gws,lws,n,n); |
| 1656 | 267 HTask* second_trns = manager->create_task(TRANSPOSE); |
| 268 second_trns->set_inData(0,xm,length_r*sizeof(cl_float2)); | |
| 269 second_trns->set_outData(0,rm,length_r*sizeof(cl_float2)); | |
| 1835 | 270 second_trns->set_param(0,n); |
| 1971 | 271 second_trns->set_cpu(spe_cpu); |
| 1656 | 272 second_trns->wait_for(waitTask); |
| 273 second_trns->iterate(gws[0],gws[1]); | |
| 1551 | 274 |
| 275 // Butterfly Operation | |
| 276 | |
| 1656 | 277 waitTask = fftCore(manager,xm, rm, wm, m, inverse,second_trns); |
| 1551 | 278 } |
| 279 | |
| 280 int TMmain(TaskManager *manager, int argc, char** argv) { | |
| 281 task_init(); | |
| 1779 | 282 #ifdef GPU |
| 1727 | 283 gpu_task_init(); |
| 1779 | 284 #endif |
| 1551 | 285 char * pgm_file = init(argc,argv); |
| 286 /* Read image */ | |
| 287 int err = readPGM(&ipgm, pgm_file); | |
| 288 if (err<0) { | |
| 289 fprintf(stderr, "Failed to read image file.\n"); | |
| 290 exit(1); | |
| 1566 | 291 } |
| 1689 | 292 run_start(manager, ipgm); |
| 1551 | 293 st_time = getTime(); |
| 294 manager->set_TMend(TMend); | |
| 295 return 0; | |
| 296 } | |
| 297 | |
| 298 void | |
| 299 TMend(TaskManager *manager) | |
| 300 { | |
| 1669 | 301 ed_time = getTime(); |
| 1646 | 302 output(); |
| 1675 | 303 // fprintf(stdout, "image out put succeeded.\n"); |
| 304 printf("%0.6f\n",ed_time-st_time); | |
| 1551 | 305 } |