/*Allows you to time insts.
Results vary because the CPU does
parallel and out-of-order execution.
*/

#define SAMPLE_SIZE         10000000

U0 TimeIns()
{
    I64 i, start, end, overhead_time, test_time;
    F64 d = 5.0;

    //Measure Loop Overhead
    start = TSCGet;
    for (i = 0; i < SAMPLE_SIZE; i++);
    end = TSCGet;
    overhead_time = end - start;
    "\nOverhead Cycles:%12.6f\n", ToF64(overhead_time) / SAMPLE_SIZE;

    start = TSCGet;
    for (i = 0; i < SAMPLE_SIZE; i++)
    {
        #exe {PassTrace(0b10000000000);};
//Time these insts
        d *= 1.00001;
        #exe {PassTrace(0);};
    }
    end = TSCGet;
    test_time = end - start;

    "Measured Cycles:%12.6f\n", ToF64(test_time - overhead_time) / SAMPLE_SIZE;
}

TimeIns;
TimeIns;
TimeIns;