Mercurial > hg > Game > Cerium
annotate example/word_count_test/main.cc @ 672:27fec8c70c9c draft
add profiling code
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sat, 05 Dec 2009 20:20:08 +0900 |
| parents | 87040ec6b5f6 |
| children | 5e5e8eb8da5a |
| rev | line source |
|---|---|
| 658 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
| 4 #include <sys/mman.h> | |
| 5 #include <sys/types.h> | |
| 6 #include <sys/stat.h> | |
| 7 #include <fcntl.h> | |
| 8 #include <unistd.h> | |
| 9 #include "TaskManager.h" | |
|
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10 #include "SchedTask.h" |
| 658 | 11 #include "Func.h" |
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12 #include "WordCount.h" |
| 658 | 13 |
| 14 extern void task_init(); | |
| 15 | |
| 16 const char *usr_help_str = "Usage: ./word_count [-cpu spe_num] [-file filename]\n"; | |
| 17 | |
| 18 typedef struct { | |
| 19 caddr_t file_mmap; | |
| 20 off_t size; | |
| 21 } st_mmap_t; | |
| 22 | |
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23 |
| 658 | 24 |
| 25 /*与えられたsizeをfix_byte_sizeの倍数にする(丸め込むっていうのかな？)*/ | |
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26 static int |
| 658 | 27 fix_byte(int size,int fix_byte_size) |
| 28 { | |
| 29 size = (size/fix_byte_size)*fix_byte_size + ((size%fix_byte_size)!= 0)*fix_byte_size; | |
| 30 | |
| 31 return size; | |
| 32 } | |
| 33 | |
| 34 | |
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35 static st_mmap_t |
| 658 | 36 my_mmap(char *filename) |
| 37 { | |
| 38 | |
| 39 /*マッピングだよ!*/ | |
| 40 int fd = -1; | |
| 41 int map = MAP_PRIVATE; | |
| 42 st_mmap_t st_mmap; | |
| 43 struct stat sb; | |
| 44 | |
| 45 if ((fd=open(filename,O_RDONLY,0666))==0) { | |
| 46 fprintf(stderr,"can't open %s\n",filename); | |
| 47 } | |
| 48 | |
| 49 if (fstat(fd,&sb)) { | |
| 50 fprintf(stderr,"can't fstat %s\n",filename); | |
| 51 } | |
| 52 | |
| 53 printf("file size %d\n",(int)sb.st_size); | |
| 54 | |
| 55 /*sizeをページングサイズの倍数にあわせる*/ | |
| 56 st_mmap.size = fix_byte(sb.st_size,4096); | |
| 57 | |
| 58 printf("fix 4096byte file size %d\n",(int)st_mmap.size); | |
| 59 | |
| 60 st_mmap.file_mmap = (char*)mmap(NULL,st_mmap.size,PROT_READ,map,fd,(off_t)0); | |
| 61 if (st_mmap.file_mmap == (caddr_t)-1) { | |
| 62 fprintf(stderr,"Can't mmap file\n"); | |
| 63 perror(NULL); | |
| 64 exit(0); | |
| 65 } | |
| 66 | |
| 67 return st_mmap; | |
| 68 | |
| 69 } | |
| 70 | |
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71 static void |
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72 run_tasks(SchedTask *manager, WordCount *w, int task_count, HTaskPtr t_next, int size) |
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73 { |
| 664 | 74 for (int j = 0; j < task_count && w->size>0; j++) { |
| 75 int i = w->task_spwaned++; | |
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76 #ifdef SIMPLE_TASK |
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77 // printf("div %0x\n", (w->file_mmap + i*w->division_size)); |
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78 HTaskPtr t_exec = manager->create_task(TASK_EXEC, |
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79 (memaddr)(w->file_mmap + i*w->division_size), size, |
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80 (memaddr)(w->o_data + i*w->out_size), w->division_out_size); |
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81 #else |
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82 HTaskPtr t_exec = manager->create_task(TASK_EXEC); |
| 664 | 83 if (size>w->size) size = w->size; |
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84 t_exec->add_inData(w->file_mmap + i*w->division_size, size); |
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85 t_exec->add_outData(w->o_data + i*w->status_num, w->division_out_size); |
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86 t_exec->add_outData(w->head_tail_flag + i*w->pad, w->division_out_size); |
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87 t_exec->add_param(size); |
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88 #endif |
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89 t_exec->set_cpu(SPE_ANY); |
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90 t_next->wait_for(t_exec); |
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91 t_exec->spawn(); |
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92 w->size -= size; |
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93 w->task_num--; |
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94 } |
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95 } |
| 658 | 96 |
| 664 | 97 SchedDefineTask1(RUN_TASK_BLOCKS,run16); |
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98 |
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99 static int |
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100 run16(SchedTask *manager, void *in, void *out) |
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101 { |
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102 #ifdef SIMPLE_TASK |
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103 WordCount *w = *(WordCount **)in; |
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104 #else |
| 664 | 105 WordCount *w = (WordCount *)manager->get_param(0); |
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106 #endif |
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107 |
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108 if (w->task_num < w->task_blocks) { |
| 664 | 109 if (w->size >= w->division_size) |
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110 run_tasks(manager,w,w->task_blocks, w->t_print, w->division_size); |
| 664 | 111 while (w->size>0) |
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112 run_tasks(manager,w,1, w->t_print, w->size); |
| 664 | 113 // printf("run16 last %d\n",w->task_num); |
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114 } else { |
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115 #ifdef SIMPLE_TASK |
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116 HTaskPtr t_next = manager->create_task(RUN_TASK_BLOCKS, |
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117 (memaddr)&w->self,sizeof(memaddr),0,0); |
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118 #else |
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119 HTaskPtr t_next = manager->create_task(RUN_TASK_BLOCKS); |
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120 t_next->set_param(0,(void*)w); |
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121 #endif |
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122 w->t_print->wait_for(t_next); |
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123 |
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124 run_tasks(manager,w, w->task_blocks, t_next, w->division_size); |
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125 |
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126 t_next->spawn(); |
| 664 | 127 // printf("run16 next %d\n",w->task_num); |
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128 } |
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129 return 0; |
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130 } |
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131 |
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132 |
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133 static int blocks = 48; |
| 666 | 134 static int division = 16; // in Kbyte |
| 672 | 135 static int profile = 0; |
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136 |
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137 static void |
| 658 | 138 run_start(TaskManager *manager, char *filename) |
| 139 { | |
| 140 HTaskPtr t_print; | |
| 141 | |
| 142 st_mmap_t st_mmap; | |
| 143 st_mmap = my_mmap(filename); | |
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144 WordCount *w = (WordCount*)manager->allocate(sizeof(WordCount)); |
| 664 | 145 // bzero(w,sizeof(WordCount)); |
| 658 | 146 |
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147 w->self = w; |
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148 w->task_blocks = blocks; |
| 664 | 149 w->task_spwaned = 0; |
| 658 | 150 |
| 151 /*sizeはdivision_sizeの倍数にしている。*/ | |
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152 w->size = st_mmap.size; |
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153 w->file_mmap = st_mmap.file_mmap; |
| 658 | 154 |
| 155 /* 1task分のデータサイズ(byte) */ | |
| 666 | 156 if (w->size >= 1024*division) { |
| 157 w->division_size = 1024 * division;/*16kbyte*/ | |
| 158 } else { | |
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159 w->division_size = w->size; |
| 658 | 160 } |
| 161 | |
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162 printf("dvision_size %d\n",w->division_size); |
| 658 | 163 |
| 164 /* "word num" and "line num" */ | |
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165 w-> status_num = 2; |
| 658 | 166 /* taskの数 */ |
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167 w-> task_num = w->size / w->division_size; |
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168 int out_task_num = w->task_num + (w->division_size*w->task_num < w->size); |
| 658 | 169 |
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170 w->out_task_num = out_task_num; |
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171 printf("task_num %d\n",w->task_num); |
| 658 | 172 |
| 173 /* out用のdivision_size. statusが2つなので、あわせて16byteになるように、long long(8byte)を使用 */ | |
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174 |
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175 #ifdef SIMPLE_TASK |
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176 w-> division_out_size = sizeof(unsigned long long)*4; |
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177 int out_size = w->division_out_size*out_task_num; |
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178 w->o_data = (unsigned long long *)manager->allocate(out_size); |
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179 w-> out_size = 4; |
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180 #else |
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181 w-> division_out_size = 16; |
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182 int out_size = w->division_out_size*out_task_num; |
| 658 | 183 /* out用のデータのサイズ。*/ |
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184 caddr_t p = (caddr_t) manager->allocate(out_size*2); |
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185 w->o_data = (unsigned long long*)p; |
| 664 | 186 //bzero(w->o_data,out_size); |
| 658 | 187 |
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188 w-> pad = 2; |
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189 w->head_tail_flag = (unsigned long long*)(p+out_size); |
| 664 | 190 // bzero(w->head_tail_flag,out_size); |
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191 #endif |
| 658 | 192 printf("out size %d\n",out_size); |
| 193 | |
| 194 /*各SPEの結果を合計して出力するタスク*/ | |
| 195 | |
| 672 | 196 if (profile) { |
| 197 manager->start_profile(); | |
| 198 } | |
| 199 | |
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200 #ifdef SIMPLE_TASK |
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201 t_print = manager->create_task(TASK_PRINT, |
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202 (memaddr)&w->self,sizeof(memaddr),0,0); |
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203 #else |
| 658 | 204 t_print = manager->create_task(TASK_PRINT); |
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205 t_print->add_inData(w->o_data, out_size); |
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206 t_print->add_inData(w->head_tail_flag, out_size); |
| 658 | 207 t_print->add_param(out_task_num); |
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208 t_print->add_param(w->status_num); |
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209 t_print->add_param(out_task_num); |
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210 t_print->add_param(w->pad); |
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211 #endif |
| 658 | 212 |
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213 w->t_print = t_print; |
| 658 | 214 |
| 670 | 215 for(int i = 0;i<1;i++) { |
| 216 /* Task を task_blocks ずつ起動する Task */ | |
| 217 /* serialize されていると仮定する... */ | |
| 218 #ifdef SIMPLE_TASK | |
| 219 HTaskPtr t_exec = manager->create_task(RUN_TASK_BLOCKS, | |
| 220 (memaddr)&w->self,sizeof(memaddr),0,0); | |
| 221 #else | |
| 222 HTaskPtr t_exec = manager->create_task(RUN_TASK_BLOCKS); | |
| 223 t_exec->set_param(0,(void*)w); | |
| 224 #endif | |
| 225 t_exec->spawn(); | |
| 226 t_print->wait_for(t_exec); | |
| 227 } | |
| 658 | 228 |
| 229 t_print->spawn(); | |
| 230 } | |
| 231 | |
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232 static char* |
| 658 | 233 init(int argc, char **argv) |
| 234 { | |
| 235 | |
| 236 char *filename = 0; | |
| 237 | |
| 238 for (int i = 1; argv[i]; ++i) { | |
| 239 if (strcmp(argv[i], "-file") == 0) { | |
| 240 filename = argv[i+1]; | |
| 666 | 241 } else if (strcmp(argv[i], "-division") == 0) { |
| 242 division = atoi(argv[i+1]); | |
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243 } else if (strcmp(argv[i], "-block") == 0) { |
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244 blocks = atoi(argv[i+1]); |
| 672 | 245 } else if (strcmp(argv[i], "-p") == 0) { |
| 246 profile = 1; | |
| 658 | 247 } |
| 248 } | |
| 249 if (filename==0) { | |
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250 printf("usage: %s [-block 10] -file filename\n",argv[0]); |
| 658 | 251 exit(1); |
| 252 } | |
| 253 | |
| 254 return filename; | |
| 255 } | |
| 256 | |
| 672 | 257 static void |
| 258 myTMend(TaskManager *manager) | |
| 259 { | |
| 260 manager->show_profile(); | |
| 261 } | |
| 262 | |
| 658 | 263 int |
| 264 TMmain(TaskManager *manager, int argc, char *argv[]) | |
| 265 { | |
| 266 | |
| 267 char *filename = 0; | |
| 268 filename = init(argc, argv); | |
| 269 | |
| 270 if (filename < 0) { | |
| 271 return -1; | |
| 272 } | |
| 672 | 273 manager->set_TMend(myTMend); |
| 658 | 274 |
| 275 task_init(); | |
| 276 run_start(manager, filename); | |
| 277 | |
| 278 return 0; | |
| 279 } | |
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280 |
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281 /* end */ |