mirror of
https://github.com/moses-smt/mosesdecoder.git
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94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
#include <iostream>
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#include <iomanip>
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#include "Util.h"
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#include "Timer.h"
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#include "StaticData.h"
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#include "util/usage.hh"
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namespace Moses
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{
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/***
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* Return the total wall time that the timer has been in the "running"
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* state since it was first "started".
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*/
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double Timer::get_elapsed_time() const
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{
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if (stopped) {
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return stop_time - start_time;
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}
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if (running) {
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return util::WallTime() - start_time;
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}
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return 0;
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}
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/***
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* Start a timer. If it is already running, let it continue running.
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* Print an optional message.
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*/
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void Timer::start(const char* msg)
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{
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// Print an optional message, something like "Starting timer t";
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if (msg) VERBOSE(1, msg << std::endl);
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// Return immediately if the timer is already running
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if (running && !stopped) return;
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// If stopped, recompute start time
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if (stopped) {
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start_time = util::WallTime() - (stop_time - start_time);
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stopped = false;
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} else {
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start_time = util::WallTime();
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running = true;
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}
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}
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/***
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* Stop a timer.
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* Print an optional message.
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*/
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void Timer::stop(const char* msg)
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{
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// Print an optional message, something like "Stopping timer t";
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if (msg) VERBOSE(1, msg << std::endl);
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// Return immediately if the timer is not running
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if (stopped || !running) return;
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// Record stopped time
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stop_time = util::WallTime();
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// Change timer status to running
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stopped = true;
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}
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/***
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* Print out an optional message followed by the current timer timing.
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*/
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void Timer::check(const char* msg)
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{
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// Print an optional message, something like "Checking timer t";
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if (msg) VERBOSE(1, msg << " : ");
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// VERBOSE(1, "[" << std::setiosflags(std::ios::fixed) << std::setprecision(2) << (running ? elapsed_time() : 0) << "] seconds\n");
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VERBOSE(1, "[" << (running ? get_elapsed_time() : 0) << "] seconds\n");
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}
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/***
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* Allow timers to be printed to ostreams using the syntax 'os << t'
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* for an ostream 'os' and a timer 't'. For example, "cout << t" will
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* print out the total amount of time 't' has been "running".
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*/
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std::ostream& operator<<(std::ostream& os, Timer& t)
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{
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//os << std::setprecision(2) << std::setiosflags(std::ios::fixed) << (t.running ? t.elapsed_time() : 0);
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os << (t.running ? t.get_elapsed_time() : 0);
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return os;
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}
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}
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