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| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/stop__watch_8cpp-source.html | |
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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>stop_watch.cpp</h1><a href="stop__watch_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000, 2001 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="stop__watch_8h.html">nel/misc/stop_watch.h</a>"</font> +00029 <font class="preprocessor">#include <numeric></font> +00030 +00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00032 +00033 <font class="keyword">namespace </font>NLMISC { +00034 +00035 +00036 <font class="comment">/*</font> +00037 <font class="comment"> * Constructor</font> +00038 <font class="comment"> */</font> +<a name="l00039"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a0">00039</a> CStopWatch::CStopWatch( uint queueLength ) : +00040 _BeginTime( 0 ), +00041 _ElapsedTicks( 0 ), +00042 _SumTicks( 0 ), +00043 _MeasurementNumber( 0 ), +00044 _Queue(), +00045 _QLength( queueLength ) +00046 {} +00047 +00048 +00049 <font class="comment">/*</font> +00050 <font class="comment"> * Begin measurement</font> +00051 <font class="comment"> */</font> +<a name="l00052"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a1">00052</a> <font class="keywordtype">void</font> CStopWatch::start() +00053 { +00054 <a class="code" href="classNLMISC_1_1CStopWatch.html#o0">_BeginTime</a> = CTime::getPerformanceTime(); +00055 <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> = 0; +00056 } +00057 +00058 +00059 <font class="comment">/*</font> +00060 <font class="comment"> * Pause</font> +00061 <font class="comment"> */</font> +<a name="l00062"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a2">00062</a> <font class="keywordtype">void</font> CStopWatch::pause() +00063 { +00064 <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> += (TTickDuration)(CTime::getPerformanceTime() - <a class="code" href="classNLMISC_1_1CStopWatch.html#o0">_BeginTime</a>); +00065 } +00066 +00067 +00068 <font class="comment">/*</font> +00069 <font class="comment"> * Resume</font> +00070 <font class="comment"> */</font> +<a name="l00071"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a3">00071</a> <font class="keywordtype">void</font> CStopWatch::resume() +00072 { +00073 <a class="code" href="classNLMISC_1_1CStopWatch.html#o0">_BeginTime</a> = CTime::getPerformanceTime(); +00074 } +00075 +00076 +00077 <font class="comment">/*</font> +00078 <font class="comment"> * Add time (in TTicks unit) to the current measurement</font> +00079 <font class="comment"> */</font> +<a name="l00080"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a4">00080</a> <font class="keywordtype">void</font> CStopWatch::addTime( <a class="code" href="namespaceNLMISC.html#a177">TTickDuration</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> ) +00081 { +00082 <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> += <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00083 } +00084 +00085 +00086 <font class="comment">/*</font> +00087 <font class="comment"> * End measurement</font> +00088 <font class="comment"> */</font> +<a name="l00089"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a5">00089</a> <font class="keywordtype">void</font> CStopWatch::stop() +00090 { +00091 <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> += (TTickDuration)(CTime::getPerformanceTime() - <a class="code" href="classNLMISC_1_1CStopWatch.html#o0">_BeginTime</a>); +00092 +00093 <font class="comment">// Setup average</font> +00094 <a class="code" href="classNLMISC_1_1CStopWatch.html#o2">_SumTicks</a> += <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a>; +00095 ++<a class="code" href="classNLMISC_1_1CStopWatch.html#o3">_MeasurementNumber</a>; +00096 +00097 <font class="comment">// Setup partial average</font> +00098 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CStopWatch.html#o5">_QLength</a> != 0 ) +00099 { +00100 <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.push_back( <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> ); +00101 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.size() > <a class="code" href="classNLMISC_1_1CStopWatch.html#o5">_QLength</a> ) +00102 { +00103 <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.pop_front(); +00104 } +00105 } +00106 } +00107 +00108 +00109 <font class="comment">/*</font> +00110 <font class="comment"> * Add an external duration (in TTicks unit) to the average queue</font> +00111 <font class="comment"> */</font> +<a name="l00112"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a6">00112</a> <font class="keywordtype">void</font> CStopWatch::addMeasurement( <a class="code" href="namespaceNLMISC.html#a177">TTickDuration</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> ) +00113 { +00114 <font class="comment">// Setup average</font> +00115 <a class="code" href="classNLMISC_1_1CStopWatch.html#o2">_SumTicks</a> += <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>; +00116 ++<a class="code" href="classNLMISC_1_1CStopWatch.html#o3">_MeasurementNumber</a>; +00117 +00118 <font class="comment">// Setup partial average</font> +00119 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CStopWatch.html#o5">_QLength</a> != 0 ) +00120 { +00121 <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.push_back( <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> ); +00122 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.size() > <a class="code" href="classNLMISC_1_1CStopWatch.html#o5">_QLength</a> ) +00123 { +00124 <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.pop_front(); +00125 } +00126 } +00127 +00128 } +00129 +00130 +00131 <font class="comment">/*</font> +00132 <font class="comment"> * Elapsed time in millisecond (call it after stop())</font> +00133 <font class="comment"> */</font> +<a name="l00134"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a7">00134</a> <a class="code" href="namespaceNLMISC.html#a178">TMsDuration</a> CStopWatch::getDuration()<font class="keyword"> const</font> +00135 <font class="keyword"></font>{ +00136 <font class="keywordflow">return</font> (TMsDuration)(CTime::ticksToSecond( <a class="code" href="classNLMISC_1_1CStopWatch.html#o1">_ElapsedTicks</a> ) * 1000.0); +00137 } +00138 +00139 +00140 <font class="comment">/*</font> +00141 <font class="comment"> * Average of the queueLength last durations (using the queueLength argument specified in the constructor)</font> +00142 <font class="comment"> */</font> +<a name="l00143"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a8">00143</a> <a class="code" href="namespaceNLMISC.html#a178">TMsDuration</a> CStopWatch::getPartialAverage()<font class="keyword"> const</font> +00144 <font class="keyword"></font>{ +00145 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.size() == 0) +00146 <font class="keywordflow">return</font> (TMsDuration)0; +00147 <font class="keywordflow">else</font> +00148 <font class="keywordflow">return</font> (TMsDuration)(CTime::ticksToSecond( accumulate( <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.begin(), <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.end(), 0 ) / <a class="code" href="classNLMISC_1_1CStopWatch.html#o4">_Queue</a>.size() ) * 1000.0); +00149 } +00150 +00151 +00152 <font class="comment">/*</font> +00153 <font class="comment"> * Average of the duration</font> +00154 <font class="comment"> */</font> +<a name="l00155"></a><a class="code" href="classNLMISC_1_1CStopWatch.html#a9">00155</a> <a class="code" href="namespaceNLMISC.html#a178">TMsDuration</a> CStopWatch::getAverageDuration()<font class="keyword"> const</font> +00156 <font class="keyword"></font>{ +00157 <font class="keywordflow">return</font> (TMsDuration)(CTime::ticksToSecond( <a class="code" href="classNLMISC_1_1CStopWatch.html#o2">_SumTicks</a> / <a class="code" href="classNLMISC_1_1CStopWatch.html#o3">_MeasurementNumber</a> ) * 1000.0); +00158 } +00159 +00160 +00161 +00162 } <font class="comment">// NLMISC</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |