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#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);
void start();
void stop();
u64bit value() { stop(); return 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(); }
u32bit events() const { return event_count * event_mult; }
std::string get_name() const { return name; }
private:
std::string name;
u64bit time_used, timer_start;
u32bit event_count, event_mult;
};
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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