annotate example/word_count/spe/Exec.cc @ 653:94c6b7ea87c2

vectorize word_count.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 01 Dec 2009 10:39:04 +0900
parents ab866bc8a624
children 6929d888fd69
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include "Exec.h"
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4 #include "Func.h"
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5
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6 /* これは必須 */
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7 SchedDefineTask(Exec);
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8
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9 // typedef char *cvector __attribute__ ((vector_size (16)));
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10 //
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11 typedef char *cvector;
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12
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13 static int
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14 run(SchedTask *s, void *rbuf, void *wbuf)
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15 {
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16 cvector i_data ;
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17 i_data = (cvector)s->get_input(rbuf, 0);
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18 unsigned long long *o_data = (unsigned long long*)s->get_output(wbuf, 0);
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19 int length = (long)s->get_param(0);
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20 int word_flag = (long)s->get_param(1);
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21 int word_num = 0;
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22 int line_num = 0;
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23 int i;
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24 static char spaces[] = {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20};
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25 cvector space = (cvector)spaces;
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26 static char newlines []= {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};
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27 cvector newline = (cvector)newlines;
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28
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30 /*先頭の文字まで、飛ぶルーチン*/
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31 for(i = 0; i < length; i++) {
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32 if ((i_data[i] != space[i%16]) && (i_data[i] != newline[i%16])) {
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33 //s->printf("[SPE%d] break[%d] %d\n",id,i,i_data[i]);
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34 break;
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35 }
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36 //s->printf("[SPE%d]%c",id,i_data[start_num]);
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37 word_num += word_flag;
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38 word_flag = 0;
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39 line_num += (i_data[i] == newline[i%16]);
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40 }
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41
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42 word_flag = 0;
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43
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44 for (; i < length; i++) {
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45
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46 //s->printf("[SPE%d]%c",id,i_data[i]);
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49 if (i_data[i] == space[i%16]) {
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50 //s->printf("スペース\n");
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51 word_flag = 1;
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52 }
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53
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54 else if (i_data[i] == newline[i%16]) {
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55 //s->printf("改行\n");
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56 line_num += 1;
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57 word_flag = 1;
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58 }
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59
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60 else {
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61 word_num += word_flag;
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62 word_flag = 0;
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63 }
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64
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65 }
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67 word_num += word_flag;
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68
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69 //s->printf("%d %d\n",word_num,line_num);
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71 o_data[0] = (unsigned long long)word_num;
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72 o_data[1] = (unsigned long long)line_num;
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73
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74 return 0;
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75 }