108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
/*
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<moGPUTimer.h>
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Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
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Karima Boufaras, Thé Van LUONG
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This software is governed by the CeCILL license under French law and
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abiding by the rules of distribution of free software. You can use,
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modify and/ or redistribute the software under the terms of the CeCILL
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license as circulated by CEA, CNRS and INRIA at the following URL
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"http://www.cecill.info".
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As a counterpart to the access to the source code and rights to copy,
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modify and redistribute granted by the license, users are provided only
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with a limited warranty and the software's author, the holder of the
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economic rights, and the successive licensors have only limited liability.
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In this respect, the user's attention is drawn to the risks associated
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with loading, using, modifying and/or developing or reproducing the
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software by the user in light of its specific status of free software,
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that may mean that it is complicated to manipulate, and that also
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therefore means that it is reserved for developers and experienced
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professionals having in-depth computer knowledge. Users are therefore
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encouraged to load and test the software's suitability as regards their
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requirements in conditions enabling the security of their systems and/or
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data to be ensured and, more generally, to use and operate it in the
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same conditions as regards security.
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The fact that you are presently reading this means that you have had
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knowledge of the CeCILL license and that you accept its terms.
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ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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#ifndef __moGPUTimer_H_
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#define __moGPUTimer_H_
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#include <sys/time.h>
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/**
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* To compute execution time
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*/
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class moGPUTimer {
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public:
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timeval tim;
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double t1;
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double t2;
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/**
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* Constructor
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*/
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moGPUTimer() {
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t1 = 0;
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t2 = 0;
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}
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/**
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* Destructor
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*/
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~moGPUTimer() {
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}
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/**
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* to start compute execution time
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*/
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void start() {
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// Start timer
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gettimeofday(&tim, NULL);
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t1 = tim.tv_sec + (tim.tv_usec / 1000000.0);
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}
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/**
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* to stop compute execution time
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*/
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void stop() {
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// Stop timer
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gettimeofday(&tim, NULL);
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t2 = tim.tv_sec + (tim.tv_usec / 1000000.0);
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}
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/**
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* to get timer value in s
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* @return execution time in s
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*/
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double getTime() {
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// get time
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return (t2 - t1);
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}
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};
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#endif
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