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<a href="name-resolution-benchmark_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="cpu-info_8h.html">util/cpu-info.h</a>&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="debug-util_8h.html">util/debug-util.h</a>&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="network-util_8h.html">util/network-util.h</a>&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="stopwatch_8h.html">util/stopwatch.h</a>&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;boost/foreach.hpp&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;boost/assign/list_of.hpp&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">using namespace </span>boost::assign;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">using namespace </span>boost;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">using namespace </span>impala;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// Benchmark for thread creation time using the ParallelExecutor. The total time</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// also includes thread shutdown and object creation overhead.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// Time to start up 1 threads: 0</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// Time to start up 5 threads: 0</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// Time to start up 50 threads: 0</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">// Time to start up 500 threads: 5ms</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// Total time: 11ms</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="name-resolution-benchmark_8cc.html#a0c6a9ebde140bc2454152d6ec43929aa"> 130</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="name-resolution-benchmark_8cc.html#a0c6a9ebde140bc2454152d6ec43929aa">TimeNameResolution</a>() {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;}</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="name-resolution-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627"> 134</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="name-resolution-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; google::InitGoogleLogging(argv[0]);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; CpuInfo::Init();</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// Measure how long it takes to start up a bunch of threads</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="classimpala_1_1StopWatch.html">StopWatch</a> total_time;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; total_time.<a class="code" href="classimpala_1_1StopWatch.html#a811ac5c8ae0f5de261c62aba58d911f6">Start</a>();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; BOOST_FOREACH(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; s, <a class="code" href="name-resolution-benchmark_8cc.html#a67f146e42fdee811645594cfd7a0882f">backends</a>) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; vector&lt;string&gt; out;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="namespaceimpala.html#a27e940930276310930e83523aa3ce43b">HostnameToIpAddrs</a>(s, &amp;out);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; total_time.<a class="code" href="classimpala_1_1StopWatch.html#abb3886869c34e8e9a3d2d43a41631dac">Stop</a>();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; cout &lt;&lt; <a class="code" href="name-resolution-benchmark_8cc.html#a67f146e42fdee811645594cfd7a0882f">backends</a>.size() &lt;&lt; <span class="stringliteral">&quot; lookups done in &quot;</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; &lt;&lt; PrettyPrinter::Print(total_time.<a class="code" href="classimpala_1_1StopWatch.html#a8b066166745d33cfc6b56bb9cc24e05f">ElapsedTime</a>(), TCounterType::CPU_TICKS)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; &lt;&lt; <span class="stringliteral">&quot; at &quot;</span> &lt;&lt; <a class="code" href="name-resolution-benchmark_8cc.html#a67f146e42fdee811645594cfd7a0882f">backends</a>.size() * 1000.0 * 1000.0 * 1000.0 / (total_time.<a class="code" href="classimpala_1_1StopWatch.html#a8b066166745d33cfc6b56bb9cc24e05f">ElapsedTime</a>() )</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; &lt;&lt; <span class="stringliteral">&quot; / s&quot;</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; &lt;&lt; endl;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;}</div>
<div class="ttc" id="classimpala_1_1StopWatch_html_a8b066166745d33cfc6b56bb9cc24e05f"><div class="ttname"><a href="classimpala_1_1StopWatch.html#a8b066166745d33cfc6b56bb9cc24e05f">impala::StopWatch::ElapsedTime</a></div><div class="ttdeci">uint64_t ElapsedTime() const </div><div class="ttdoc">Returns time in cpu ticks. </div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00050">stopwatch.h:50</a></div></div>
<div class="ttc" id="name-resolution-benchmark_8cc_html_a67f146e42fdee811645594cfd7a0882f"><div class="ttname"><a href="name-resolution-benchmark_8cc.html#a67f146e42fdee811645594cfd7a0882f">backends</a></div><div class="ttdeci">static list&lt; string &gt; backends</div><div class="ttdef"><b>Definition:</b> <a href="name-resolution-benchmark_8cc_source.html#l00042">name-resolution-benchmark.cc:42</a></div></div>
<div class="ttc" id="classimpala_1_1StopWatch_html_a811ac5c8ae0f5de261c62aba58d911f6"><div class="ttname"><a href="classimpala_1_1StopWatch.html#a811ac5c8ae0f5de261c62aba58d911f6">impala::StopWatch::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00035">stopwatch.h:35</a></div></div>
<div class="ttc" id="name-resolution-benchmark_8cc_html_a0c6a9ebde140bc2454152d6ec43929aa"><div class="ttname"><a href="name-resolution-benchmark_8cc.html#a0c6a9ebde140bc2454152d6ec43929aa">TimeNameResolution</a></div><div class="ttdeci">void TimeNameResolution()</div><div class="ttdef"><b>Definition:</b> <a href="name-resolution-benchmark_8cc_source.html#l00130">name-resolution-benchmark.cc:130</a></div></div>
<div class="ttc" id="stopwatch_8h_html"><div class="ttname"><a href="stopwatch_8h.html">stopwatch.h</a></div></div>
<div class="ttc" id="classimpala_1_1StopWatch_html"><div class="ttname"><a href="classimpala_1_1StopWatch.html">impala::StopWatch</a></div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00028">stopwatch.h:28</a></div></div>
<div class="ttc" id="debug-util_8h_html"><div class="ttname"><a href="debug-util_8h.html">debug-util.h</a></div></div>
<div class="ttc" id="namespaceimpala_html_a27e940930276310930e83523aa3ce43b"><div class="ttname"><a href="namespaceimpala.html#a27e940930276310930e83523aa3ce43b">impala::HostnameToIpAddrs</a></div><div class="ttdeci">Status HostnameToIpAddrs(const string &amp;name, vector&lt; string &gt; *addresses)</div><div class="ttdef"><b>Definition:</b> <a href="network-util_8cc_source.html#l00053">network-util.cc:53</a></div></div>
<div class="ttc" id="network-util_8h_html"><div class="ttname"><a href="network-util_8h.html">network-util.h</a></div></div>
<div class="ttc" id="classimpala_1_1StopWatch_html_abb3886869c34e8e9a3d2d43a41631dac"><div class="ttname"><a href="classimpala_1_1StopWatch.html#abb3886869c34e8e9a3d2d43a41631dac">impala::StopWatch::Stop</a></div><div class="ttdeci">void Stop()</div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00042">stopwatch.h:42</a></div></div>
<div class="ttc" id="name-resolution-benchmark_8cc_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="name-resolution-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="name-resolution-benchmark_8cc_source.html#l00134">name-resolution-benchmark.cc:134</a></div></div>
<div class="ttc" id="cpu-info_8h_html"><div class="ttname"><a href="cpu-info_8h.html">cpu-info.h</a></div></div>
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