RealTime RealTime::operator +(const RealTime &t) const {
if (GetUsec() + t.GetUsec() >= ONE_MILLION) {
return RealTime(GetSec() + t.GetSec() + 1, GetUsec() + t.GetUsec()
- ONE_MILLION);
} else {
return RealTime(GetSec() + t.GetSec(), GetUsec() + t.GetUsec());
}
}
bool RealTime::operator >(const RealTime &t) const {
if (GetSec() > t.GetSec())
return true;
if (GetSec() == t.GetSec() && GetUsec() > t.GetUsec())
return true;
return false;
}
RealTime RealTime::operator +(int msec) const {
int usec = GetUsec() + msec * 1000;
if (usec >= ONE_MILLION) {
return RealTime(GetSec() + usec / ONE_MILLION, usec % ONE_MILLION);
} else {
return RealTime(GetSec(), usec);
}
}
RealTime RealTime::operator -(int msec) const {
int usec = GetUsec() - msec * 1000;
if (usec < 0) {
usec = -usec;
return RealTime(GetSec() - usec / ONE_MILLION - 1, ONE_MILLION - usec
% ONE_MILLION);
} else {
return RealTime(GetSec(), usec);
}
}
~Timer()
{
long long usec = GetUsec() - m_tv;
float bw = m_sz / (1.024 * 1.024 * usec);
std::cout << m_msg << ": " << usec << " us\t" << bw << " MB/sec" << std::endl;
}
Timer(const std::string& msg, size_t sz): m_msg(msg), m_sz(sz) { m_tv = GetUsec(); }
long RealTime::Sub(const RealTime &t) {
return (GetSec() - t.GetSec()) * 1000000 + GetUsec() - t.GetUsec();
}
int RealTime::operator -(const RealTime &t) const {
return (GetSec() - t.GetSec()) * 1000 + int((GetUsec() - t.GetUsec())
/ 1000.0);
}
