Mercurial > hg > Game > Cerium

annotate example/word_count/main.cc @ 972:811cdd0fd418 draft

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fix
author Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
date Fri, 27 Aug 2010 06:39:16 +0900
parents 1a4849b2acad
children 00c01f416e3a
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <sys/mman.h>
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5 #include <sys/types.h>
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6 #include <sys/stat.h>
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7 #include <fcntl.h>
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8 #include <unistd.h>
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9 #include "TaskManager.h"
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10 #include "SchedTask.h"
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11 #include "Func.h"
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12 #include "WordCount.h"
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13
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14 extern void task_init();
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15
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16 int all = 0;
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17 int use_task_array = 1;
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18 int use_compat = 0;
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19 int array_task_num = 8;
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20 int spe_num = 1;
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21
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22 const char *usr_help_str = "Usage: ./word_count [-a -c -s] [-cpu spe_num] [-file filename]\n";
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23
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24 typedef struct {
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25 caddr_t file_mmap;
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26 off_t size;
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27 } st_mmap_t;
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28
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29
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31 /*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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32 static int
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33 fix_byte(int size,int fix_byte_size)
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34 {
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35 size = (size/fix_byte_size)*fix_byte_size + ((size%fix_byte_size)!= 0)*fix_byte_size;
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36
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37 return size;
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38 }
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39
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40
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41 static st_mmap_t
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42 my_mmap(char *filename)
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43 {
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44
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45 /*マッピングだよ!*/
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46 int fd = -1;
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47 int map = MAP_PRIVATE;
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48 st_mmap_t st_mmap;
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49 struct stat sb;
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50
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51 if ((fd=open(filename,O_RDONLY,0666))==0) {
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52 fprintf(stderr,"can't open %s\n",filename);
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53 }
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54
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55 if (fstat(fd,&sb)) {
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56 fprintf(stderr,"can't fstat %s\n",filename);
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57 }
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58
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59 printf("file size %d\n",(int)sb.st_size);
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60
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61 /*sizeをページングサイズの倍数にあわせる*/
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62 st_mmap.size = fix_byte(sb.st_size,4096);
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63
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64 printf("fix 4096byte file size %d\n",(int)st_mmap.size);
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65
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66 st_mmap.file_mmap = (char*)mmap(NULL,st_mmap.size,PROT_READ,map,fd,(off_t)0);
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67 if (st_mmap.file_mmap == (caddr_t)-1) {
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68 fprintf(stderr,"Can't mmap file\n");
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69 perror(NULL);
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70 exit(0);
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71 }
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72
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73 return st_mmap;
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74
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75 }
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76
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77 static void
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78 run_tasks(SchedTask *manager, WordCount *w, int task_count, HTaskPtr t_next, int size)
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79 {
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80
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81 if (task_count < array_task_num) {
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82 array_task_num = task_count;
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83 if (task_count<=0) return;
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84 }
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85
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86
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87 if (use_task_array) {
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88
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89 int spl = spe_num * array_task_num;
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90 int loop = (task_count + spl - 1) / spl;
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91
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92 for (int i = 0; i < loop; i += 1) {
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93
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94 if (spl > w->task_num) {
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95 if (w->task_num >= spe_num) {
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96 array_task_num = w->task_num / spe_num;
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97 } else {
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98
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99 int task_num = w->task_num;
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100
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101 for (int j = 0; j < task_num; j++) {
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102 HTask *h_exec = 0;
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103 int i = w->task_spwaned++;
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104
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105 if (w->size < size) size = w->size;
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106
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107 h_exec = manager->create_task(TASK_EXEC,
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108 (memaddr)(w->file_mmap + i*w->division_size), size,
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109 (memaddr)(w->o_data + i*w->out_size), w->division_out_size);
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110
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111 if (all) {
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112 w->t_print->wait_for(h_exec);
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113 } else {
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114 t_next->wait_for(h_exec);
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115 }
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116
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117 h_exec->set_cpu(SPE_ANY);
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118 h_exec->spawn();
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119
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120 w->size -= size;
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121 w->task_num--;
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122
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123 }
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124
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125 return;
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126 }
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127 }
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129
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130 HTask **task_array = (HTask**)manager->allocate(sizeof(HTask*)*spe_num);
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131 Task **t_exec = (Task**)manager->allocate(sizeof(Task*)*spe_num);
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132
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133 for (int k = 0; k < spe_num; k++) {
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134 task_array[k] = manager->create_task_array(TASK_EXEC,array_task_num,0,1,1);
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135 t_exec[k] = 0;
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136 if (all) {
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137 w->t_print->wait_for(task_array[k]);
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138 } else {
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139 t_next->wait_for(task_array[k]);
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140 }
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141 }
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142
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143
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144 for (int j = 0; j < array_task_num; j++) {
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145 for (int k = 0; k < spe_num; k++) {
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146
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147 int a = w->task_spwaned++;
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148
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149 if (w->size < size) size = w->size;
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151 t_exec[k] = task_array[k]->next_task_array(TASK_EXEC,t_exec[k]);
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152 t_exec[k]->set_inData(0,w->file_mmap + a*w->division_size, size);
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153 t_exec[k]->set_outData(0,w->o_data + a*w->out_size, w->division_out_size);
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diff changeset
154
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
155 w->size -= size;
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
156 w->task_num--;
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
157 }
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
158 }
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
159
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
160 for (int k = 0; k < spe_num; k++) {
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
161 task_array[k]->spawn_task_array(t_exec[k]->next());
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
162 task_array[k]->set_cpu(SPE_ANY);
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
163 task_array[k]->spawn();
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
164 }
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
165
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
166 }
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
167
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
168 return;
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diff changeset
169
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
170 }
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
171
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diff changeset
172
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diff changeset
173 for (int i = 0; i < task_count; i += array_task_num) {
970
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
174
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
175 HTask *h_exec = 0;
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diff changeset
176 for (int j = 0; j < array_task_num; j++) {
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diff changeset
177 int i = w->task_spwaned++;
949
5f0135ca75ee word count size fix
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parents: 948
diff changeset
178 if (w->size < size) size = w->size;
5f0135ca75ee word count size fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 948
diff changeset
179 if (size==0) break;
970
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
180
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diff changeset
181 if (use_compat) {
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diff changeset
182 h_exec = manager->create_task(TASK_EXEC);
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183 h_exec->set_inData(0,w->file_mmap + i*w->division_size, size);
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184 h_exec->set_outData(0,w->o_data + i*w->out_size, w->division_out_size);
968
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185
970
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
186 if (all) {
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diff changeset
187 w->t_print->wait_for(h_exec);
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188 } else {
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diff changeset
189 t_next->wait_for(h_exec);
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190 }
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191
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diff changeset
192 h_exec->set_cpu(SPE_ANY);
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193 h_exec->spawn();
970
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diff changeset
194
946
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195 } else {
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diff changeset
196 h_exec = manager->create_task(TASK_EXEC,
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diff changeset
197 (memaddr)(w->file_mmap + i*w->division_size), size,
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198 (memaddr)(w->o_data + i*w->out_size), w->division_out_size);
970
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
199
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
200 if (all) {
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
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diff changeset
201 w->t_print->wait_for(h_exec);
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
202 } else {
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Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
203 t_next->wait_for(h_exec);
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diff changeset
204 }
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parents: 968
diff changeset
205
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diff changeset
206 h_exec->set_cpu(SPE_ANY);
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diff changeset
207 h_exec->spawn();
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diff changeset
208 }
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
209 w->size -= size;
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diff changeset
210 w->task_num--;
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
211 }
970
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
212
1a4849b2acad change pipeline and TaskArray fast
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 968
diff changeset
213 }
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diff changeset
214
946
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215 }
393
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216
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217 /**
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218 * このTaskは、PPE上で実行されるので、並列に実行されることはない
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219 * 二つ実行されていて、Task が足りなくなることがないようにしている。
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diff changeset
220 */
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diff changeset
221
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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diff changeset
222 SchedDefineTask1(RUN_TASK_BLOCKS,run16);
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diff changeset
223
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parents: 797
diff changeset
224 static int
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
225 run16(SchedTask *manager, void *in, void *out)
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parents: 797
diff changeset
226 {
852ed17d8af1 unify word count examples....
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parents: 797
diff changeset
227 WordCount *w = *(WordCount **)in;
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parents: 797
diff changeset
228
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parents: 797
diff changeset
229 if (w->task_num < w->task_blocks) {
949
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parents: 948
diff changeset
230 // last case
946
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parents: 797
diff changeset
231 if (w->size >= w->division_size)
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parents: 797
diff changeset
232 run_tasks(manager,w,w->task_num, w->t_print, w->division_size);
949
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parents: 948
diff changeset
233 // remaining data
946
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parents: 797
diff changeset
234 while (w->size>0)
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
235 run_tasks(manager,w,1, w->t_print, w->size);
852ed17d8af1 unify word count examples....
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parents: 797
diff changeset
236 // printf("run16 last %d\n",w->task_num);
949
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parents: 948
diff changeset
237 } else {
946
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parents: 797
diff changeset
238 HTaskPtr t_next = manager->create_task(RUN_TASK_BLOCKS,
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
239 (memaddr)&w->self,sizeof(memaddr),0,0);
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parents: 797
diff changeset
240 w->t_print->wait_for(t_next);
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diff changeset
241
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parents: 797
diff changeset
242 run_tasks(manager,w, w->task_blocks, t_next, w->division_size);
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diff changeset
243
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
244 t_next->spawn();
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
245 // printf("run16 next %d\n",w->task_num);
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parents: 797
diff changeset
246 }
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
247 return 0;
852ed17d8af1 unify word count examples....
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parents: 797
diff changeset
248 }
852ed17d8af1 unify word count examples....
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parents: 797
diff changeset
249
852ed17d8af1 unify word count examples....
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parents: 797
diff changeset
250
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
251 static int blocks = 48;
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
252 static int division = 16; // in Kbyte
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
253
852ed17d8af1 unify word count examples....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 797
diff changeset
254 static void
400
984e7890db0c Fix examples.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 394
diff changeset
255 run_start(TaskManager *manager, char *filename)
393
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diff changeset
256 {
cb06748ba6cf add word_count
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diff changeset
257 HTaskPtr t_print;
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diff changeset
258
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diff changeset
259 st_mmap_t st_mmap;
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diff changeset
260 st_mmap = my_mmap(filename);
946
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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diff changeset
261 WordCount *w = (WordCount*)manager->allocate(sizeof(WordCount));
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diff changeset
262 // bzero(w,sizeof(WordCount));
393
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diff changeset
263
946
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parents: 797
diff changeset
264 w->self = w;
968
122b1fddfa94 fix wordcount
Yutaka Kinjyo <yutaka@cr.ie.u-ryukyu.ac.jp>
parents: 967
diff changeset
265 //w->task_blocks = blocks;
946
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diff changeset
266 w->task_spwaned = 0;
393
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267
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268 /*sizeはdivision_sizeの倍数にしている。*/
949
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diff changeset
269 w->size = w->file_size = st_mmap.size;
946
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diff changeset
270 w->file_mmap = st_mmap.file_mmap;
949
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parents: 948
diff changeset
271 printf("w %lx\n",(long)w);
393
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272
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273 /* 1task分のデータサイズ(byte) */
946
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diff changeset
274 if (w->size >= 1024*division) {
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diff changeset
275 w->division_size = 1024 * division;/*16kbyte*/
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diff changeset
276 } else {
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diff changeset
277 w->division_size = w->size;
393
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278 }
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279
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diff changeset
280 printf("dvision_size %d\n",w->division_size);
393
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281
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282 /* "word num" and "line num" */
946
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parents: 797
diff changeset
283 w->status_num = 2;
393
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diff changeset
284 /* taskの数 */
946
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parents: 797
diff changeset
285 w->task_num = w->size / w->division_size;
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parents: 797
diff changeset
286 w->task_num = w->task_num + (w->division_size*w->task_num < w->size);
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287 int out_task_num = w->task_num;
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288
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289 if(!all) {
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290 w->task_blocks = blocks;
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291 } else {
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292 w->task_blocks = w->task_num;
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293 }
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294
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295 w->out_task_num = out_task_num;
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296 printf("task_num %d\n",w->task_num);
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297 printf("out_task_num %d\n",w->out_task_num);
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298
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299 /* 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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300
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301 w->division_out_size = sizeof(unsigned long long)*4;
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302 int out_size = w->division_out_size*out_task_num;
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303 w->o_data = (unsigned long long *)manager->allocate(out_size);
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304 w->out_size = 4;
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305 printf("out size %d\n",out_size);
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306
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307 /*各SPEの結果を合計して出力するタスク*/
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308
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309 t_print = manager->create_task(TASK_PRINT,
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310 (memaddr)&w->self,sizeof(memaddr),0,0);
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311
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312 w->t_print = t_print;
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313
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314 for(int i = 0;i<1;i++) {
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315 /* Task を task_blocks ずつ起動する Task */
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316 /* serialize されていると仮定する... */
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317 HTaskPtr t_exec = manager->create_task(RUN_TASK_BLOCKS,
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318 (memaddr)&w->self,sizeof(memaddr),0,0);
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319 t_print->wait_for(t_exec);
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320 t_exec->spawn();
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321 }
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322
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323 t_print->spawn();
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324 }
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325
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326 static char*
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327 init(int argc, char **argv)
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328 {
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329
394
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330 char *filename = 0;
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331
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332 for (int i = 1; argv[i]; ++i) {
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333 if (strcmp(argv[i], "-file") == 0) {
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334 filename = argv[i+1];
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335 } else if (strcmp(argv[i], "-division") == 0) {
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336 division = atoi(argv[i+1]);
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337 } else if (strcmp(argv[i], "-block") == 0) {
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338 blocks = atoi(argv[i+1]);
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339 } else if (strcmp(argv[i], "-a") == 0) {
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340 // create task all at once
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341 all = 1;
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342 } else if (strcmp(argv[i], "-c") == 0) {
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343 use_task_array = 0;
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344 use_compat = 1;
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345 } else if (strcmp(argv[i], "-s") == 0) {
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346 use_task_array = 0;
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347 use_compat = 0;
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348 } else if (strcmp(argv[i], "-anum") == 0) {
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349 array_task_num = atoi(argv[i+1]);
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350 } else if (strcmp(argv[i], "-cpu") == 0) {
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351 spe_num = atoi(argv[i+1]);
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352 }
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353 }
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354 if (filename==0) {
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355 puts(usr_help_str);
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356 exit(1);
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357 }
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358
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359 return filename;
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360 }
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361
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362
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363 int
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364 TMmain(TaskManager *manager, int argc, char *argv[])
393
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365 {
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366
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367 char *filename = 0;
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368 filename = init(argc, argv);
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369
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370 if (filename < 0) {
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371 return -1;
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372 }
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373
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374 task_init();
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375 run_start(manager, filename);
393
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376
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377 return 0;
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378 }
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379
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380 /* end */