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changeset 653:94c6b7ea87c2

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vectorize word_count.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 01 Dec 2009 10:39:04 +0900
parents dbe137505f2e
children 6929d888fd69
files TaskManager/kernel/ppe/MailManager.cc example/word_count/spe/Exec.cc
diffstat 2 files changed, 18 insertions(+), 8 deletions(-) [+]
line wrap: on
line diff
--- a/TaskManager/kernel/ppe/MailManager.cc	Mon Nov 23 12:01:45 2009 +0900
+++ b/TaskManager/kernel/ppe/MailManager.cc	Tue Dec 01 10:39:04 2009 +0900
@@ -29,7 +29,7 @@
 MailManager::extend()
 {
     memaddr *newq = New(memaddr,size*2);
-    int i = 0;
+    unsigned int i = 0;
     while(i<size) {
 	newq[i++] = queue[read++];
 	read &= mask;
@@ -46,7 +46,7 @@
     queue[write++] = data;
     write &= mask;
     if (write==read) {
-	externd();
+	extend();
     }
 }
 
--- a/example/word_count/spe/Exec.cc	Mon Nov 23 12:01:45 2009 +0900
+++ b/example/word_count/spe/Exec.cc	Tue Dec 01 10:39:04 2009 +0900
@@ -6,42 +6,52 @@
 /* これは必須 */
 SchedDefineTask(Exec);
 
+// typedef char *cvector __attribute__ ((vector_size (16)));
+//
+typedef char *cvector;
+
 static int
 run(SchedTask *s, void *rbuf, void *wbuf)
 {
-    char *i_data = (char*)s->get_input(rbuf, 0);
+    cvector i_data ;
+    i_data = (cvector)s->get_input(rbuf, 0);
     unsigned long long *o_data = (unsigned long long*)s->get_output(wbuf, 0);
     int length = (long)s->get_param(0);
     int word_flag = (long)s->get_param(1);
     int word_num = 0;
     int line_num = 0;
     int i;
+    static char spaces[] = {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20};
+    cvector space = (cvector)spaces;
+    static char  newlines []= {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};
+    cvector newline = (cvector)newlines;
+
 
     /*先頭の文字まで、飛ぶルーチン*/
     for(i = 0; i < length; i++) {
-	if ((i_data[i] != 0x20) && (i_data[i] != 0x0A)) {
+	if ((i_data[i] != space[i%16]) && (i_data[i] != newline[i%16])) {
 	    //s->printf("[SPE%d] break[%d] %d\n",id,i,i_data[i]);
 	    break;
 	}
 	//s->printf("[SPE%d]%c",id,i_data[start_num]);
 	word_num += word_flag;
 	word_flag = 0;
-	line_num += (i_data[i] == 0x0A);
+	line_num += (i_data[i] == newline[i%16]);
     }
 
     word_flag = 0;
 
-	for (; i < length; i++) {
+    for (; i < length; i++) {
 
 	    //s->printf("[SPE%d]%c",id,i_data[i]);
 
 
-	if (i_data[i] == 0x20) {
+	if (i_data[i] == space[i%16]) {
 	    //s->printf("スペース\n");
 	    word_flag = 1;
 	}
 
-	else if (i_data[i] == 0x0A) {
+	else if (i_data[i] == newline[i%16]) {
 	    //s->printf("改行\n");
 	    line_num += 1;
 	    word_flag = 1;