Mercurial > hg > Game > Cerium
annotate example/fft/main.cc @ 2014:8c618e912c88 draft
optimization data transfer. wrong result
| author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 01 Jul 2014 17:04:01 +0900 |
| parents | d43c2b7932ea |
| children | 1d7d1e398833 |
| 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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parents:
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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); |
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129 brev->flip(); |
| 1646 | 130 brev->wait_for(waitTask); |
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parents:
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131 brev->iterate(gws[0],gws[1]); |
| 1551 | 132 |
| 1658 | 133 waitTask = brev; |
| 134 | |
| 1643 | 135 setWorkSize(gws,lws,n/2,n); |
| 1658 | 136 for(int iter=1;iter<=m;iter++) { |
| 137 HTask* bfly = manager->create_task(BUTTERFLY); | |
| 1835 | 138 bfly->set_param(0,n); |
| 139 bfly->set_param(1,direction_flag); | |
| 140 bfly->set_param(2,(long)iter); | |
| 1658 | 141 bfly->set_inData(0, dst, length_dst*sizeof(cl_float2)); |
| 142 bfly->set_inData(1, spin, sizeof(cl_float2)*(n/2)); | |
| 143 bfly->set_outData(0,dst,length_dst*sizeof(cl_float2)); | |
| 144 bfly->set_cpu(spe_cpu); | |
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2014
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optimization data transfer. wrong result
Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
parents:
2013
diff
changeset
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145 bfly->flip(); |
| 1658 | 146 bfly->wait_for(waitTask); |
| 147 bfly->iterate(gws[0],gws[1]); | |
| 148 waitTask = bfly; | |
| 149 } | |
| 1551 | 150 |
| 151 if (direction == inverse) { | |
| 1658 | 152 setWorkSize(gws,lws,n,n); |
| 1551 | 153 HTask *norm = manager->create_task(NORMALIZATION); |
| 1658 | 154 norm->set_inData(0,dst,length_dst*sizeof(cl_float2)); |
| 1571 | 155 norm->set_outData(0, dst, length_dst*sizeof(cl_float2)); |
| 1835 | 156 norm->set_param(0,n); |
| 1551 | 157 norm->set_cpu(spe_cpu); |
| 1658 | 158 norm->wait_for(waitTask); |
| 1656 | 159 norm->iterate(gws[0],gws[1]); |
| 1646 | 160 |
| 161 waitTask = norm; | |
| 1551 | 162 } |
| 1646 | 163 return waitTask; |
| 1551 | 164 } |
| 165 | |
| 166 char * | |
| 167 init(int argc, char**argv){ | |
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parents:
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168 |
| 1551 | 169 char *filename = 0; |
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170 |
| 1689 | 171 // printf("%s ",argv[4]); |
| 1551 | 172 for (int i = 1; argv[i]; ++i) { |
| 173 if (strcmp(argv[i], "-file") == 0) { | |
| 174 filename = argv[i+1]; | |
| 175 } else if (strcmp(argv[i], "-g") == 0) { | |
| 176 spe_cpu = GPU_0; | |
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177 } else if (strcmp(argv[i], "-any") == 0) { |
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178 spe_cpu = ANY_ANY; |
| 1551 | 179 } |
| 180 } | |
| 181 if ( (argc == 1)||(filename==0)) { | |
| 1643 | 182 printf("Usage: ./fft -file [image filename] -cpu or -gpu\n"); |
| 1551 | 183 exit(-1); |
| 184 } | |
| 185 | |
| 186 return filename; | |
| 187 } | |
| 188 | |
| 189 void | |
| 190 run_start(TaskManager *manager,pgm_t ipgm) | |
| 191 { | |
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192 long n = ipgm.width; |
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parents:
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193 long m = (cl_int)(log((double)n)/log(2.0)); |
| 1643 | 194 size_t *gws = new size_t[2]; |
| 195 size_t *lws = new size_t[2]; | |
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196 |
| 1646 | 197 xm = (cl_float2 *)malloc(n * n * sizeof(cl_float2)); |
| 198 rm = (cl_float2 *)malloc(n * n * sizeof(cl_float2)); | |
| 199 wm = (cl_float2 *)malloc(n / 2 * sizeof(cl_float2)); | |
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2014
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parents:
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200 |
| 1646 | 201 HTask* waitTask; |
| 1551 | 202 /* |
| 203 * [cl_float2] | |
| 204 * typedef union | |
| 205 * { | |
| 206 * cl_float CL_ALIGNED(8) s[2]; | |
| 207 * #if defined( __GNUC__) && ! defined( __STRICT_ANSI__ ) | |
| 208 * __extension__ struct{ cl_float x, y; }; | |
| 209 * __extension__ struct{ cl_float s0, s1; }; | |
| 210 * __extension__ struct{ cl_float lo, hi; }; | |
| 211 * #endif | |
| 212 * #if defined( __CL_FLOAT2__) | |
| 213 * __cl_float2 v2; | |
| 214 * #endif | |
| 215 * } cl_float2; | |
| 216 */ | |
| 1643 | 217 for (int i=0; i<n; i++) { |
| 218 for (int j=0; j < n; j++) { | |
| 219 ((float*)xm)[(2*n*j)+2*i+0] = (float)ipgm.buf[n*j+i]; | |
| 220 ((float*)xm)[(2*n*j)+2*i+1] = (float)0; | |
| 1551 | 221 } |
| 222 } | |
| 1579 | 223 |
| 224 // Create spin factor | |
| 1658 | 225 setWorkSize(gws,lws,n/2,1); |
| 1643 | 226 int length_w = n / 2; |
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227 HTask* sfac = manager->create_task(SPIN_FACT); |
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228 sfac->set_outData(0, wm, length_w*sizeof(cl_float2)); |
| 1835 | 229 sfac->set_param(0,n); |
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230 sfac->set_cpu(spe_cpu); |
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231 sfac->flip(); |
| 1656 | 232 sfac->iterate(gws[0]); |
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233 |
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234 // Butterfly Operation |
| 1646 | 235 waitTask = fftCore(manager, rm, xm, wm, m, forward,sfac); |
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236 |
| 1551 | 237 // Transpose matrix |
| 1643 | 238 int length_r =n*n; |
| 1656 | 239 setWorkSize(gws,lws,n,n); |
| 240 HTask* first_trns = manager->create_task(TRANSPOSE); | |
| 241 first_trns->set_inData(0,rm,length_r*sizeof(cl_float2)); | |
| 242 first_trns->set_outData(0,xm,length_r*sizeof(cl_float2)); | |
| 1835 | 243 first_trns->set_param(0,n); |
| 1971 | 244 first_trns->set_cpu(spe_cpu); |
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
parents:
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diff
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245 first_trns->flip(); |
| 1656 | 246 first_trns->wait_for(waitTask); |
| 247 first_trns->iterate(gws[0],gws[1]); | |
| 248 | |
| 1551 | 249 // Butterfly Operation |
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250 waitTask = fftCore(manager, rm, xm, wm, m, forward,first_trns); |
| 1551 | 251 |
| 252 // Apply high-pass filter | |
| 253 HTask *hpfl = manager->create_task(HIGH_PASS_FILTER); | |
| 1643 | 254 cl_int radius = n/8; |
| 1656 | 255 setWorkSize(gws,lws,n,n); |
| 1658 | 256 hpfl->set_inData(0,rm,length_r*sizeof(cl_float2)); |
| 1551 | 257 hpfl->set_outData(0, rm, length_r*sizeof(cl_float2)); |
| 1835 | 258 hpfl->set_param(0,n); |
| 259 hpfl->set_param(1,(long)radius); | |
| 1551 | 260 hpfl->set_cpu(spe_cpu); |
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2014
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optimization data transfer. wrong result
Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
parents:
2013
diff
changeset
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261 hpfl->flip(); |
| 1656 | 262 hpfl->wait_for(waitTask); |
| 1643 | 263 hpfl->iterate(gws[0],gws[1]); |
| 1656 | 264 |
| 1551 | 265 // Inverse FFT |
| 266 | |
| 267 // Butterfly Operation | |
| 1646 | 268 waitTask = fftCore(manager,xm, rm, wm, m, inverse,hpfl); |
| 1551 | 269 |
| 270 // Transpose matrix | |
| 1643 | 271 setWorkSize(gws,lws,n,n); |
| 1656 | 272 HTask* second_trns = manager->create_task(TRANSPOSE); |
| 273 second_trns->set_inData(0,xm,length_r*sizeof(cl_float2)); | |
| 274 second_trns->set_outData(0,rm,length_r*sizeof(cl_float2)); | |
| 1835 | 275 second_trns->set_param(0,n); |
| 1971 | 276 second_trns->set_cpu(spe_cpu); |
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2014
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optimization data transfer. wrong result
Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
parents:
2013
diff
changeset
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277 second_trns->flip(); |
| 1656 | 278 second_trns->wait_for(waitTask); |
| 279 second_trns->iterate(gws[0],gws[1]); | |
| 1551 | 280 |
| 281 // Butterfly Operation | |
| 282 | |
| 1656 | 283 waitTask = fftCore(manager,xm, rm, wm, m, inverse,second_trns); |
| 1551 | 284 } |
| 285 | |
| 286 int TMmain(TaskManager *manager, int argc, char** argv) { | |
| 287 task_init(); | |
| 1779 | 288 #ifdef GPU |
| 1727 | 289 gpu_task_init(); |
| 1779 | 290 #endif |
| 1551 | 291 char * pgm_file = init(argc,argv); |
| 292 /* Read image */ | |
| 293 int err = readPGM(&ipgm, pgm_file); | |
| 294 if (err<0) { | |
| 295 fprintf(stderr, "Failed to read image file.\n"); | |
| 296 exit(1); | |
| 1566 | 297 } |
| 1689 | 298 run_start(manager, ipgm); |
| 1551 | 299 st_time = getTime(); |
| 300 manager->set_TMend(TMend); | |
| 301 return 0; | |
| 302 } | |
| 303 | |
| 304 void | |
| 305 TMend(TaskManager *manager) | |
| 306 { | |
| 1669 | 307 ed_time = getTime(); |
| 1646 | 308 output(); |
| 1675 | 309 // fprintf(stdout, "image out put succeeded.\n"); |
| 310 printf("%0.6f\n",ed_time-st_time); | |
| 1551 | 311 } |