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Contents
//
// Benchmark.cpp
// DictionarySort
//
// Created by Samuel Williams on 2/11/11.
// Copyright, 2014, by Samuel G. D. Williams. <http://www.codeotaku.com>
//
#include "Benchmark.h"
#include <sys/time.h>
// A timer class for quickly checking the wall-clock performance of code.
namespace Benchmark
{
static TimeT system_time () {
static struct timeval t;
gettimeofday (&t, (struct timezone*)0);
return ((TimeT)t.tv_sec) + ((TimeT)t.tv_usec / 1000000.0);
}
WallTime::WallTime () {
this->reset();
}
void WallTime::reset () {
this->_last = system_time();
this->_total = 0.0;
}
TimeT WallTime::total () const {
TimeT current = system_time();
this->_total += current - this->_last;
this->_last = current;
return this->_total;
}
ProcessorTime::ProcessorTime()
{
this->reset();
}
void ProcessorTime::reset ()
{
this->_last = std::clock();
this->_total = 0;
}
TimeT ProcessorTime::total () const
{
std::clock_t current = std::clock();
this->_total += std::clock() - this->_last;
this->_last = current;
return TimeT(this->_total) / TimeT(CLOCKS_PER_SEC);
}
Timer::Timer()
{
}
void Timer::reset ()
{
_wall_time.reset();
_processor_time.reset();
}
Timer::Sample Timer::sample() const
{
return {_wall_time.total(), _processor_time.total()};
}
}
Version data entries
18 entries across 18 versions & 1 rubygems