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| <a href="timer_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef DMLC_TIMER_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define DMLC_TIMER_H_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="3rdparty_2dmlc-core_2include_2dmlc_2base_8h.html">base.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#if DMLC_USE_CXX11</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <chrono></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <time.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifdef __MACH__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <mach/clock.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <mach/mach.h></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "./logging.h"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span><a class="code" href="namespacedmlc.html">dmlc</a> {</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ac6607ababd562edcce61938343ae0db6"> 27</a></span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="namespacedmlc.html#ac6607ababd562edcce61938343ae0db6">GetTime</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"> #if DMLC_USE_CXX11</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> std::chrono::duration<double>(</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  std::chrono::high_resolution_clock::now().time_since_epoch()).count();</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"> #elif defined __MACH__</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  clock_serv_t cclock;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  mach_timespec_t mts;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  CHECK(clock_get_time(cclock, &mts) == 0) << <span class="stringliteral">"failed to get time"</span>;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  mach_port_deallocate(mach_task_self(), cclock);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(mts.tv_sec) + static_cast<double>(mts.tv_nsec) * 1e-9;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"> #else</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"> #if defined(__unix__) || defined(__linux__)</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  timespec ts;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  CHECK(clock_gettime(CLOCK_REALTIME, &ts) == 0) << <span class="stringliteral">"failed to get time"</span>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(ts.tv_sec) + static_cast<double>(ts.tv_nsec) * 1e-9;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> #else</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(time(NULL));</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"> #endif</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> #endif</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> } <span class="comment">// namespace dmlc</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#endif // DMLC_TIMER_H_</span></div><div class="ttc" id="namespacedmlc_html"><div class="ttname"><a href="namespacedmlc.html">dmlc</a></div><div class="ttdoc">namespace for dmlc </div><div class="ttdef"><b>Definition:</b> array_view.h:12</div></div> |
| <div class="ttc" id="namespacedmlc_html_ac6607ababd562edcce61938343ae0db6"><div class="ttname"><a href="namespacedmlc.html#ac6607ababd562edcce61938343ae0db6">dmlc::GetTime</a></div><div class="ttdeci">double GetTime(void)</div><div class="ttdoc">return time in seconds </div><div class="ttdef"><b>Definition:</b> timer.h:27</div></div> |
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