diff example/word_count_test/spe/Exec.cc.vector @ 665:4470ff271c5a

word_count_test
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 03 Dec 2009 01:16:34 +0900
parents
children 6bec6efda444
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/word_count_test/spe/Exec.cc.vector	Thu Dec 03 01:16:34 2009 +0900
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <string.h>
+#include "Exec.h"
+#include "Func.h"
+
+/* これは必須 */
+SchedDefineTask(Exec);
+
+// typedef char *cvector __attribute__ ((vector_size (16)));
+//   vectorize だと結果がよろしくない...
+//
+typedef char *cvector;
+
+static int
+run(SchedTask *s, void *rbuf, void *wbuf)
+{
+    cvector i_data = (cvector)s->get_input(rbuf, 0);
+    char* i_data0 = (char*)s->get_input(rbuf, 0);
+    unsigned long long *o_data = (unsigned long long*)s->get_output(wbuf, 0);
+    /*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*/
+    unsigned long long  *head_tail_flag = (unsigned long long*)s->get_output(wbuf,1);
+    int length = (long)s->get_param(0);
+
+    static const char spaces[] = {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20} ;
+    cvector const space = (cvector)spaces;
+    static const char newlines[] = {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};
+    cvector const newline = (cvector)newlines;
+
+    int word_flag = 0;
+    int word_num = 0;
+    int line_num = 0;
+    int i = 0;
+    
+    /*文字なら1,スペースか改行なら0*/
+    char top = i_data0[0];
+    head_tail_flag[0] = ((top != 0x20) && (top != 0x0a));
+    word_num -= 1-head_tail_flag[0];
+
+    for (; i < length; i++) {
+	if (i_data[i] == space[i%16]) {
+	    //s->printf("スペース\n");
+	    word_flag = 1;
+	} else if (i_data[i] == newline[i%16]) {
+	    //s->printf("改行\n");
+	    line_num += 1;
+	    word_flag = 1;
+	} else {
+	    word_num += word_flag;
+	    word_flag = 0;
+	}
+    }
+
+    word_num += word_flag;
+    /*文字なら1,スペースか改行なら0*/
+    //printf("last word %c",i_data[i-1]);
+    char end = i_data0[i-1];
+    head_tail_flag[1] = ((end != 0x20) && (end != 0x0a));
+
+    // s->printf("SPU word %d line %d\n",word_num,line_num);
+
+    o_data[0] = (unsigned long long)word_num;
+    o_data[1] = (unsigned long long)line_num;
+
+    return 0;
+}