void benchmark( int n, int *a, int (*computeSum)(int,int*), char *name )
{
/* warm up */
int sum = computeSum( n, a );
/* measure */
unsigned long long cycles = RDTSC();
sum += computeSum( n, a );
cycles = RDTSC()-cycles;
double microseconds = cycles/CLOCK_RATE_GHZ*1e6;
/* report */
printf( "%20s: ", name );
if( sum == 2*sum_naive(n,a) ) printf( "%.2f microseconds\n", microseconds );
else printf( "ERROR!\n" );
}
void benchmark(int n, int *a, int(*computeSum)(int, int*), char *name)
{
// warm up cache
int sum = computeSum(n, a);
// measure
uint64_t beginCycle = RDTSC();
sum += computeSum(n, a);
uint64_t cycles = RDTSC() - beginCycle;
double microseconds = cycles/CLOCK_RATE_GHZ*1e6;
// print results
printf("%20s: ", name);
if (sum == 2 * sum_naive(n, a))
{
printf("%.2f microseconds\n", microseconds);
}
else
{
printf("ERROR!\n");
}
}
