private static ulong GetCyclesPerSeond()
{
Rdtsc.Init();
var sw = Stopwatch.StartNew();
var startms = Rdtsc.TimestampP();
do
{
} while (sw.ElapsedMilliseconds < 1000);
var endms = Rdtsc.TimestampP();
var cyclesPerSecond = (endms - startms);
return(cyclesPerSecond);
}
public AutoStopWatch(string message, double repeats, Action <string> reporter)
{
_message = message;
_repeats = repeats;
_reporter = reporter;
_nanoSecondPerCycle = NanoSecondsPerSecond / CyclesPerSecond;
_microSecondsPerCycle = MicroSecondsPerSecond / CyclesPerSecond;
_milliSecondsPerCycle = MilliSecondsPerSecond / CyclesPerSecond;
Rdtsc.Init();
_startTest = Rdtsc.TimestampP();
if (_showInfo)
{
_reporter(string.Format($"cycles per second: {CyclesPerSecond,5:0} "));
_reporter(string.Format($"{NanoSecondsPerSecond / CyclesPerSecond,5:0.000} ns per cycle"));
_showInfo = false;
}
}