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annotate example/word_count/spe/Exec.cc.vector @ 946:852ed17d8af1 draft

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unify word count examples....
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 01 Aug 2010 21:05:35 +0900
parents f02b3338b91b
children
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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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 // vectorize だと結果がよろしくない...
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11 //
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12 // typedef char *cvector;
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13
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14 static int
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15 run(SchedTask *s, void *rbuf, void *wbuf)
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16 {
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17 #ifdef SIMPLE_TASK
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18 cvector i_data = (cvector)rbuf;
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19 char* i_data0 = (char*)rbuf;
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20 unsigned long long *o_data = (unsigned long long*)wbuf;
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21 unsigned long long *head_tail_flag = o_data +2;
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22 int length = s->read_size();
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23 #else
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24 cvector i_data = (cvector)s->get_input(rbuf, 0);
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25 char* i_data0 = (char*)s->get_input(rbuf, 0);
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26 unsigned long long *o_data = (unsigned long long*)s->get_output(wbuf, 0);
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27 /*担当範囲の先頭、末尾が「改行、スペース」か、「それ以外の文字」かのフラグ*/
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28 unsigned long long *head_tail_flag = (unsigned long long*)s->get_output(wbuf,1);
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29 int length = (long)s->get_param(0);
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30 #endif
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31
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32 static const char spaces[] = {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20} ;
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33 cvector const space = (cvector)spaces;
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34 static const char newlines[] = {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};
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35 cvector const newline = (cvector)newlines;
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36
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37 int word_flag = 0;
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38 int word_num = 0;
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39 int line_num = 0;
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40 int i = 0;
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41
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42 /*文字なら1,スペースか改行なら0*/
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43 char top = i_data0[0];
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44 head_tail_flag[0] = ((top != 0x20) && (top != 0x0a));
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45 word_num -= 1-head_tail_flag[0];
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46
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47 for (; i < length; i++) {
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48 if (i_data[i] == space[i%16]) {
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49 //s->printf("スペース\n");
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50 word_flag = 1;
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51 } else if (i_data[i] == newline[i%16]) {
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52 //s->printf("改行\n");
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53 line_num += 1;
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54 word_flag = 1;
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55 } else {
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56 word_num += word_flag;
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57 word_flag = 0;
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58 }
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59 }
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60
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61 word_num += word_flag;
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62 /*文字なら1,スペースか改行なら0*/
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63 //printf("last word %c",i_data[i-1]);
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64 char end = i_data0[i-1];
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65 head_tail_flag[1] = ((end != 0x20) && (end != 0x0a));
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66
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67 // s->printf("SPU word %d line %d\n",word_num,line_num);
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68
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69 o_data[0] = (unsigned long long)word_num;
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70 o_data[1] = (unsigned long long)line_num;
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71
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72 return 0;
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73 }