153 lines
4.2 KiB
C++
153 lines
4.2 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.2 2004/10/21 12:14:02 ponchio
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Support for mfile (>4Gb)
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Revision 1.1 2004/10/19 17:20:24 ponchio
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renamed
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Revision 1.5 2004/10/19 17:16:52 ponchio
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Changed interface
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Revision 1.4 2004/07/30 12:44:14 ponchio
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#ifdef corrected
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Revision 1.3 2004/07/20 14:03:47 ponchio
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Changed interface.
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Revision 1.2 2004/07/05 15:49:39 ponchio
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Windows (DevCpp, mingw) port.
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Revision 1.1 2004/07/01 21:38:30 ponchio
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First draft created.
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****************************************************************************/
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#include "watch.h"
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#include <stdio.h>
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#ifdef WIN32
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Watch::Watch(): elapsed(0) {
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QueryPerformanceFrequency(&freq);
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}
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void Watch::Start(void) {
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QueryPerformanceCounter(&tstart);
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elapsed = 0;
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}
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float Watch::Pause() {
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QueryPerformanceCounter(&tend);
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elapsed += Diff();
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return (float)elapsed;
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}
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void Watch::Continue() {
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QueryPerformanceCounter(&tstart);
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}
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float Watch::Time() {
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QueryPerformanceCounter(&tend);
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return (float)(elapsed + Diff());
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}
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double Watch::Diff() {
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return ((double)tend.QuadPart -
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(double)tstart.QuadPart)/
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((double)freq.QuadPart);
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}
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#else
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Watch::Watch(): elapsed() {}
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void Watch::Start() {
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gettimeofday(&tstart, &tz);
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elapsed = 0;
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}
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float Watch::Pause() {
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gettimeofday(&tend, &tz);
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elapsed += Diff();
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return (float)elapsed;
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}
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void Watch::Continue() {
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gettimeofday(&tstart, &tz);
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}
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float Watch::Time() {
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gettimeofday(&tend, &tz);
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return (float)(elapsed + Diff());
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}
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double Watch::Diff() {
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double t1 = (double)tstart.tv_sec + (double)tstart.tv_usec/(1000*1000);
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double t2 = (double)tend.tv_sec + (double)tend.tv_usec/(1000*1000);
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return t2 - t1;
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}
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#endif
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void Watch::Reset() {
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elapsed = 0;
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}
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int Watch::Usec() {
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#ifdef WIN32
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return 0;
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#else
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struct timeval ttime;
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gettimeofday(&ttime, &tz);
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return ttime.tv_usec;
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#endif
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}
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void Report::Init(unsigned int t, float inter) {
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watch.Start();
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tot = t;
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last = 0;
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interval = inter;
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}
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void Report::Step(unsigned int count) {
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if(count == 0) return;
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float now = watch.Time();
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if(now - last < interval) return;
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//estimate final time
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float tot_time = now * tot/(float)count;
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printf("%d/%d\telapsed: %.1f\tremaining: %.1f\ttotal: %.1f\n",
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count, tot, now, tot_time - now, tot_time);
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last = now;
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}
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void Report::Finish() {
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float now = watch.Time();
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printf("Tot: %.1f\tN: %d\tN/sec: %.1f\n",
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now, tot, tot/now);
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}
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