mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-09-19 23:27:46 +03:00
126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
#include <ctime>
|
|
#include <iostream>
|
|
#include <iomanip>
|
|
#include "Util.h"
|
|
#include "Timer.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
/***
|
|
* Return the total time that the timer has been in the "running"
|
|
* state since it was first "started" or last "restarted". For
|
|
* "short" time periods (less than an hour), the actual cpu time
|
|
* used is reported instead of the elapsed time.
|
|
*/
|
|
double Timer::elapsed_time()
|
|
{
|
|
#ifdef CLOCK_MONOTONIC
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
double elapsed = (now.tv_sec - start_time.tv_sec);
|
|
elapsed += (now.tv_nsec - start_time.tv_nsec) / 1000000000.0;
|
|
return elapsed;
|
|
#else
|
|
time_t now;
|
|
time(&now);
|
|
return difftime(now, start_time);
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
* Return the total time that the timer has been in the "running"
|
|
* state since it was first "started" or last "restarted". For
|
|
* "short" time periods (less than an hour), the actual cpu time
|
|
* used is reported instead of the elapsed time.
|
|
* This function is the public version of elapsed_time()
|
|
*/
|
|
double Timer::get_elapsed_time()
|
|
{
|
|
return elapsed_time();
|
|
}
|
|
|
|
/***
|
|
* Start a timer. If it is already running, let it continue running.
|
|
* Print an optional message.
|
|
*/
|
|
void Timer::start(const char* msg)
|
|
{
|
|
// Print an optional message, something like "Starting timer t";
|
|
if (msg) TRACE_ERR( msg << std::endl);
|
|
|
|
// Return immediately if the timer is already running
|
|
if (running) return;
|
|
|
|
// Change timer status to running
|
|
running = true;
|
|
|
|
// Set the start time;
|
|
#ifdef CLOCK_MONOTONIC
|
|
clock_gettime(CLOCK_MONOTONIC, &start_time);
|
|
#else
|
|
time(&start_time);
|
|
#endif
|
|
}
|
|
|
|
/***
|
|
* Turn the timer off and start it again from 0. Print an optional message.
|
|
*/
|
|
/*
|
|
inline void Timer::restart(const char* msg)
|
|
{
|
|
// Print an optional message, something like "Restarting timer t";
|
|
if (msg) TRACE_ERR( msg << std::endl;
|
|
|
|
// Set the timer status to running
|
|
running = true;
|
|
|
|
// Set the accumulated time to 0 and the start time to now
|
|
acc_time = 0;
|
|
start_clock = clock();
|
|
start_time = time(0);
|
|
}
|
|
*/
|
|
|
|
/***
|
|
* Stop the timer and print an optional message.
|
|
*/
|
|
/*
|
|
inline void Timer::stop(const char* msg)
|
|
{
|
|
// Print an optional message, something like "Stopping timer t";
|
|
check(msg);
|
|
|
|
// Recalculate and store the total accumulated time up until now
|
|
if (running) acc_time += elapsed_time();
|
|
|
|
running = false;
|
|
}
|
|
*/
|
|
/***
|
|
* Print out an optional message followed by the current timer timing.
|
|
*/
|
|
void Timer::check(const char* msg)
|
|
{
|
|
// Print an optional message, something like "Checking timer t";
|
|
if (msg) TRACE_ERR( msg << " : ");
|
|
|
|
// TRACE_ERR( "[" << std::setiosflags(std::ios::fixed) << std::setprecision(2) << (running ? elapsed_time() : 0) << "] seconds\n");
|
|
TRACE_ERR( "[" << (running ? elapsed_time() : 0) << "] seconds\n");
|
|
}
|
|
|
|
/***
|
|
* Allow timers to be printed to ostreams using the syntax 'os << t'
|
|
* for an ostream 'os' and a timer 't'. For example, "cout << t" will
|
|
* print out the total amount of time 't' has been "running".
|
|
*/
|
|
std::ostream& operator<<(std::ostream& os, Timer& t)
|
|
{
|
|
//os << std::setprecision(2) << std::setiosflags(std::ios::fixed) << (t.running ? t.elapsed_time() : 0);
|
|
os << (t.running ? t.elapsed_time() : 0);
|
|
return os;
|
|
}
|
|
|
|
}
|
|
|