Tanuj Mathur wrote:
Hi Enrico,
Could you provide a link to the code you used to perform these
tests? i'd like to replicate the results for MSVC6, and then compare
it with MSVC 7.1 and 8 (VS 2003 and VS 2005 Beta respectively). MSVC6
is a very old compiler (1997/98), and since the C++ compiler for MSVC
2003 (7.1) is available free of cost, that would be a way better
compiler to target.
Thanks,
Tanuj
Hi Tanuj,
the code is a simple function that gets called 300000000 times.
-------------------------------------------------------------------------
#include <stdio.h>
#include <time.h>
int my_function (int a, char *buf)
{
int int_1 = 1987;
char char_1 = 'a';
long long_1 = 123456789L;
long long_2 = &long_1;
if (a > 0)
{
a++;
}
else
{
a--;
}
if (int_1 > 9)
{
char_1++;
}
else
{
char_1--;
}
*long_2++;
if (buf == NULL)
{
return -1;
}
buf++;
return a;
}
void main (void)
{
long i;
int result;
char buf[8];
clock_t start;
clock_t stop;
double duration;
buf[0] = 0;
start = clock();
for (i = 0; i < 300000000; i++)
{
result = my_function(10,buf);
}
stop = clock();
duration = (double) (stop - start) / CLOCKS_PER_SEC;
printf("the test lasted for %2.4f seconds\n\r",duration);
}
-------------------------------------------------------------------------
Enrico
