Mercurial > hg > Game > Cerium

annotate example/many_task/main.cc @ 1853:f800f61a0311 draft

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to prevent overrun +1 alloc in many_task
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 21 Dec 2013 19:56:58 +0900
parents 0dd39c19dbb2
children c21bd32e20b9
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <stdlib.h>
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4 #include <sys/time.h>
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5 #include "TaskManager.h"
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6 #include "SchedTask.h"
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7
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8 #include "Func.h"
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9 #include "sort.h"
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10
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11 extern void task_init();
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12 #ifdef GPU
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13 extern void gpu_task_init();
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14 #endif
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15 extern int get_split_num(int len, int num);
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16
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17
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18 // sort.cc
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19 extern int data_length;
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20 extern DataPtr data;
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21 extern int all;
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22 int all = 0;
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23
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24 static int sort_task = SortSimple;
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25
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26 // 計測用
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27 static double st_time;
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28 static double ed_time;
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29
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30 static long length = 1200;
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31 CPU_TYPE spe_cpu = SPE_ANY;
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32 int use_task_array=0;
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33 // prototype
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34 void TMend(TaskManager *);
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35
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36 static double
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37 getTime()
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38 {
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39 struct timeval tv;
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40 gettimeofday(&tv, NULL);
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41 return tv.tv_sec + (double)tv.tv_usec*1e-6;
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42 }
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43
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44 const char *usr_help_str = "Usage: ./sort [option]\n \
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45 options\n\
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46 -cpu Number of SPE used (default 1)\n\
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47 -l, --length Sorted number of data (default 1200)\n\
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48 -h, --help Print this message";
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49
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50 int
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51 init(int argc, char **argv)
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52 {
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53 for (int i = 1; argv[i]; ++i) {
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54 if (strcmp(argv[i], "--length") == 0 || strcmp(argv[i], "-l") == 0) {
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55 length = (int)atoi(argv[++i]);
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56 }
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57 if (strcmp(argv[i], "-a") == 0 ) {
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58 all = 1;
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59 }
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60 if (strcmp(argv[i], "-g") == 0 ) {
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61 spe_cpu = GPU_0;
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62 }
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63 if (strcmp(argv[i], "-c") == 0 ) {
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64 sort_task = SortCompat;
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65 }
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66 if (strcmp(argv[i], "-s") == 0 ) {
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67 sort_task = SortSimple;
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68 }
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69 if (strcmp(argv[i], "-ta") == 0 ) {
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70 use_task_array = 1;
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71
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72 }
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73 if (strcmp(argv[i], "-any") == 0 ) {
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74 spe_cpu = ANY_ANY;
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75 }
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76 }
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77
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78 return 0;
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79 }
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80
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81 Sort sorter;
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82
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83 static void
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84 show_data(void)
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85 {
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86 /*
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87 puts("-----------------------------------------------");
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88 for(int i = 0; i < sorter.data_length; i++) {
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89 printf("data[%02d].index = %d\n", i, sorter.data[i].index);
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90 }
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91 puts("-----------------------------------------------");
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92 */
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93 }
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94
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95 static void
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96 check_data()
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97 {
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98 for(int i=0; i< sorter.data_length-1;i++) {
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99 if (sorter.data[i].index>sorter.data[i+1].index) {
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100 printf("Data are not sorted at %d. %d > %d \n",i, sorter.data[i].index,sorter.data[i+1].index);
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101 return;
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102 }
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103 }
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104 printf("Data are sorted\n");
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105 }
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106
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107
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108 static void
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109 sort_init(SchedTask *manager, void *a, void *b)
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110 {
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111 sorter.cpuNum = (long)a;
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112 long length = (long)b;
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113
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114 sorter.data = (DataPtr)manager->allocate(sizeof(Data)*(length+1));
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115 sorter.data_length = length;
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116
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117 sorter.split_num = get_split_num(sorter.data_length, sorter.cpuNum); // data の分割数
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118 int half_num = sorter.split_num-1;
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119 if (use_task_array==1) {
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120 sorter.fsort_task = (Task**)manager->allocate(sizeof(Task*)*sorter.split_num);
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121 sorter.bsort_task = (Task**)manager->allocate(sizeof(Task*)*half_num);
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122 } else {
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123 sorter.fsort = (HTaskPtr*)manager->allocate(sizeof(Task*)*sorter.split_num);
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124 sorter.bsort = (HTaskPtr*)manager->allocate(sizeof(Task*)*half_num);
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125 }
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126 if (use_task_array==1) {
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127 memset((void*)sorter.bsort_task,0, sizeof(HTaskPtr)*half_num);
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128 } else {
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129 memset((void*)sorter.bsort,0, sizeof(HTaskPtr)*half_num);
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130 }
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131 for (int i = 0; i < length; i++) {
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132 sorter.data[i].index = manager->get_random()%10000;
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133 sorter.data[i].ptr = i;
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134 }
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135
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136 // show_data();
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137 HTaskPtr restart = manager->create_task(sort_task,0,0,0,0);
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138 // default ではSortSimpleがsetされている。SortSimpleはsort.ccに
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139
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140 restart->set_param(0,(memaddr)&sorter);
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141 // set flip flag
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142 restart->spawn();
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143 }
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144
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145 unsigned int ts, te;
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146
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147 int
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148 TMmain(TaskManager *manager, int argc, char *argv[])
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149 {
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150 if (init(argc, argv) < 0) {
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151 return -1;
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152 }
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153
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154 task_init();
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155 #ifdef GPU
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156 gpu_task_init();
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157 #endif
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158 long cpu = manager->get_cpuNum();
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159 // in case of -cpu 0
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160 if (cpu==0) cpu = 1;
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161 if (1) {
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162 HTask *dummy = manager->create_task(Dummy);
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163 dummy->set_post(sort_init, (void*)cpu, (void*)length);
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164 dummy->spawn();
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165 } else {
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166 sort_init(manager->get_schedTask(),(void*)cpu, (void*)length);
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167 }
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168
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169 st_time = getTime();
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170
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171 // 全ての Task が終了した後に実行する関数をセット
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172 manager->set_TMend(TMend);
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173
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174 return 0;
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175 }
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176
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177 void
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178 TMend(TaskManager *manager)
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179 {
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180 ed_time = getTime();
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181 show_data();
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182 check_data();
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183 printf("Time: %0.6f\n",ed_time-st_time);
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184 }
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185
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186 /* end */