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| <a href="parallel-executor_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> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <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> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <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> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <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> <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> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="parallel-executor_8h.html">runtime/parallel-executor.h</a>"</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/thread/thread.hpp></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="stopwatch_8h.html">util/stopwatch.h</a>"</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="thread_8h.html">util/thread.h</a>"</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="names_8h.html">common/names.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using namespace </span>impala;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classimpala_1_1ParallelExecutor.html#abad564e6b67909483e30f0ac1c0f30cc"> 26</a></span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1ParallelExecutor.html#abad564e6b67909483e30f0ac1c0f30cc">ParallelExecutor::Exec</a>(<a class="code" href="classimpala_1_1ParallelExecutor.html#aec48068e9c457c60ccde9b5f20a2e9de">Function</a> <span class="keyword">function</span>, <span class="keywordtype">void</span>** args, <span class="keywordtype">int</span> num_args,</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="classimpala_1_1StatsMetric.html">StatsMetric<double></a>* latencies) {</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> status;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="classimpala_1_1ThreadGroup.html">ThreadGroup</a> worker_threads;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  mutex lock;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_args; ++i) {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  stringstream ss;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  ss << <span class="stringliteral">"worker-thread("</span> << i << <span class="stringliteral">")"</span>;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  worker_threads.<a class="code" href="classimpala_1_1ThreadGroup.html#a904906f6e646b111636c937a0d58b4f3">AddThread</a>(<span class="keyword">new</span> <a class="code" href="classimpala_1_1Thread.html">Thread</a>(<span class="stringliteral">"parallel-executor"</span>, ss.str(),</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  &<a class="code" href="classimpala_1_1ParallelExecutor.html#acd21d8abab7bda0b40c26d7250651e6f">ParallelExecutor::Worker</a>, <span class="keyword">function</span>, args[i], &lock, &status, latencies));</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  worker_threads.<a class="code" href="classimpala_1_1ThreadGroup.html#a3a126bacbbb2ae42bcb86494287a6a2f">JoinAll</a>();</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> status;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classimpala_1_1ParallelExecutor.html#acd21d8abab7bda0b40c26d7250651e6f"> 43</a></span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ParallelExecutor.html#acd21d8abab7bda0b40c26d7250651e6f">ParallelExecutor::Worker</a>(<a class="code" href="classimpala_1_1ParallelExecutor.html#aec48068e9c457c60ccde9b5f20a2e9de">Function</a> <span class="keyword">function</span>, <span class="keywordtype">void</span>* arg, mutex* lock, <a class="code" href="classimpala_1_1Status.html">Status</a>* status,</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classimpala_1_1StatsMetric.html">StatsMetric<double></a>* latencies) {</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classimpala_1_1MonotonicStopWatch.html">MonotonicStopWatch</a> sw;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (latencies != NULL) sw.<a class="code" href="classimpala_1_1MonotonicStopWatch.html#a5f42e96a173893f40aac4fb1e787faac">Start</a>();</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classimpala_1_1Status.html">Status</a> local_status = <span class="keyword">function</span>(arg);</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (!local_status.<a class="code" href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">ok</a>()) {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  unique_lock<mutex> l(*lock);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (status-><a class="code" href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">ok</a>()) *status = local_status;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (latencies != NULL) {</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  latencies-><a class="code" href="classimpala_1_1StatsMetric.html#a63e36e6ce39c43df7144d970dd0be733">Update</a>(sw.<a class="code" href="classimpala_1_1MonotonicStopWatch.html#a4a5fdb04f9b13278b9c636e472330976">ElapsedTime</a>() / (1000.0 * 1000.0 * 1000.0));</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div> |
| <div class="ttc" id="classimpala_1_1ParallelExecutor_html_acd21d8abab7bda0b40c26d7250651e6f"><div class="ttname"><a href="classimpala_1_1ParallelExecutor.html#acd21d8abab7bda0b40c26d7250651e6f">impala::ParallelExecutor::Worker</a></div><div class="ttdeci">static void Worker(Function function, void *arg, boost::mutex *lock, Status *status, StatsMetric< double > *latencies)</div><div class="ttdef"><b>Definition:</b> <a href="parallel-executor_8cc_source.html#l00043">parallel-executor.cc:43</a></div></div> |
| <div class="ttc" id="classimpala_1_1MonotonicStopWatch_html"><div class="ttname"><a href="classimpala_1_1MonotonicStopWatch.html">impala::MonotonicStopWatch</a></div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00074">stopwatch.h:74</a></div></div> |
| <div class="ttc" id="classimpala_1_1Thread_html"><div class="ttname"><a href="classimpala_1_1Thread.html">impala::Thread</a></div><div class="ttdoc">TODO: Consider allowing fragment IDs as category parameters. </div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00045">thread.h:45</a></div></div> |
| <div class="ttc" id="classimpala_1_1ParallelExecutor_html_aec48068e9c457c60ccde9b5f20a2e9de"><div class="ttname"><a href="classimpala_1_1ParallelExecutor.html#aec48068e9c457c60ccde9b5f20a2e9de">impala::ParallelExecutor::Function</a></div><div class="ttdeci">boost::function< Status(void *arg)> Function</div><div class="ttdef"><b>Definition:</b> <a href="parallel-executor_8h_source.html#l00042">parallel-executor.h:42</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_1StatsMetric_html"><div class="ttname"><a href="classimpala_1_1StatsMetric.html">impala::StatsMetric< double ></a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html">impala::ThreadGroup</a></div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00161">thread.h:161</a></div></div> |
| <div class="ttc" id="thread_8h_html"><div class="ttname"><a href="thread_8h.html">thread.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1StatsMetric_html_a63e36e6ce39c43df7144d970dd0be733"><div class="ttname"><a href="classimpala_1_1StatsMetric.html#a63e36e6ce39c43df7144d970dd0be733">impala::StatsMetric::Update</a></div><div class="ttdeci">void Update(const T &value)</div><div class="ttdef"><b>Definition:</b> <a href="collection-metrics_8h_source.html#l00112">collection-metrics.h:112</a></div></div> |
| <div class="ttc" id="classimpala_1_1MonotonicStopWatch_html_a5f42e96a173893f40aac4fb1e787faac"><div class="ttname"><a href="classimpala_1_1MonotonicStopWatch.html#a5f42e96a173893f40aac4fb1e787faac">impala::MonotonicStopWatch::Start</a></div><div class="ttdeci">void Start()</div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00081">stopwatch.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1MonotonicStopWatch_html_a4a5fdb04f9b13278b9c636e472330976"><div class="ttname"><a href="classimpala_1_1MonotonicStopWatch.html#a4a5fdb04f9b13278b9c636e472330976">impala::MonotonicStopWatch::ElapsedTime</a></div><div class="ttdeci">uint64_t ElapsedTime() const </div><div class="ttdoc">Returns time in nanosecond. </div><div class="ttdef"><b>Definition:</b> <a href="stopwatch_8h_source.html#l00105">stopwatch.h:105</a></div></div> |
| <div class="ttc" id="parallel-executor_8h_html"><div class="ttname"><a href="parallel-executor_8h.html">parallel-executor.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html_a904906f6e646b111636c937a0d58b4f3"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html#a904906f6e646b111636c937a0d58b4f3">impala::ThreadGroup::AddThread</a></div><div class="ttdeci">Status AddThread(Thread *thread)</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00318">thread.cc:318</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html_a3a126bacbbb2ae42bcb86494287a6a2f"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html#a3a126bacbbb2ae42bcb86494287a6a2f">impala::ThreadGroup::JoinAll</a></div><div class="ttdeci">void JoinAll()</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00327">thread.cc:327</a></div></div> |
| <div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html_a95ba859e42fe93445b340533220836ac"><div class="ttname"><a href="classimpala_1_1Status.html#a95ba859e42fe93445b340533220836ac">impala::Status::ok</a></div><div class="ttdeci">bool ok() const </div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div> |
| <div class="ttc" id="classimpala_1_1ParallelExecutor_html_abad564e6b67909483e30f0ac1c0f30cc"><div class="ttname"><a href="classimpala_1_1ParallelExecutor.html#abad564e6b67909483e30f0ac1c0f30cc">impala::ParallelExecutor::Exec</a></div><div class="ttdeci">static Status Exec(Function function, void **args, int num_args, StatsMetric< double > *latencies=NULL)</div><div class="ttdoc">Callers may pass a StatsMetric to gather the latency distribution of task execution. </div><div class="ttdef"><b>Definition:</b> <a href="parallel-executor_8cc_source.html#l00026">parallel-executor.cc:26</a></div></div> |
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| </body> |
| </html> |
