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/*
* (C) 2014 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_BENCHMARK_TIMER_H__
#define BOTAN_BENCHMARK_TIMER_H__
#include <botan/types.h>
#include <ostream>
#include <string>
using Botan::u64bit;
using Botan::u32bit;
class Timer
{
public:
static u64bit get_clock();
Timer(const std::string& name, u32bit event_mult = 1) :
m_name(name), m_event_mult(event_mult) {}
void start();
void stop();
u64bit value() { stop(); return m_time_used; }
double seconds() { return milliseconds() / 1000.0; }
double milliseconds() { return value() / 1000000.0; }
double ms_per_event() { return milliseconds() / events(); }
double seconds_per_event() { return seconds() / events(); }
u64bit events() const { return m_event_count * m_event_mult; }
std::string get_name() const { return m_name; }
private:
std::string m_name;
u64bit m_time_used = 0, m_timer_start = 0;
u64bit m_event_count = 0, m_event_mult = 0;
};
inline bool operator<(const Timer& x, const Timer& y)
{
return (x.get_name() < y.get_name());
}
inline bool operator==(const Timer& x, const Timer& y)
{
return (x.get_name() == y.get_name());
}
std::ostream& operator<<(std::ostream&, Timer&);
#endif
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