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/* gcc -O0 -g3 -Wall -c -fmessage-length=0 -omain.o ..\main.c
* gcc -otest_c.exe main.o
*/
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#define MAX_ELEMENT 1000000
void test3()
{
char buf[40];
int* myTab = (int*)malloc(MAX_ELEMENT * sizeof(int));
int *ptInt;
int cpt = MAX_ELEMENT;
ptInt = myTab;
while( cpt-- )
{
sprintf(buf,"%d\n", *ptInt++);
}
free(myTab);
}
void test4()
{
char buf[40];
int* myTab = (int*)malloc(MAX_ELEMENT * sizeof(int));
int i;
for(i=0; i<MAX_ELEMENT; i++)
{
sprintf(buf,"%d\n", myTab[i]);
}
free(myTab);
}
int main()
{
clock_t tp = clock();
test3();
printf("test3=%f s.\n", (float)(clock() - tp)/CLOCKS_PER_SEC);
tp = clock();
test4();
printf("test4=%f s.\n", (float)(clock() - tp)/CLOCKS_PER_SEC);
return 0;
} |