<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.17"/> <meta name="description" content="PhasicFlow is an open-source parallel DEM (discrete element method) package for simulating granular flow. It is developed in C++ and can be exectued on both GPU (like CUDA) and CPU."> <title>PhasicFlow: src/Integration/AdamsBashforth2/AB2Kernels.hpp Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function() { init_search(); }); /* @license-end */ </script> <script 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class="lineno"> 1</span>  </div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#ifndef __AB2Kernels_hpp__</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#define __AB2Kernels_hpp__</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="KokkosTypes_8hpp.html">KokkosTypes.hpp</a>"</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="types_8hpp.html">types.hpp</a>"</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div> <div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="namespacepFlow_1_1AB2Kernels.html"> 9</a></span> <span class="keyword">namespace </span><a class="code" href="namespacepFlow_1_1AB2Kernels.html">pFlow::AB2Kernels</a></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> {</div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">inline</span></div> <div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="namespacepFlow_1_1AB2Kernels.html#a1d3752d19417e5f211093381ef34cbc9"> 12</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespacepFlow_1_1AB2Kernels.html#a1d3752d19417e5f211093381ef34cbc9">intAllActive</a>(</div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#a0ebe792a293e8c717bddf60070c0fe99">word</a>& name,</div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a> dt, </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <a class="code" href="structpFlow_1_1Range.html">rangeU32</a> activeRng,</div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& y, </div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& dy,</div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& dy1</div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> )</div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  Kokkos::parallel_for(</div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  name,</div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <a class="code" href="namespacepFlow.html#a6ea32be3339f3023ab349c9c3775c916">deviceRPolicyStatic</a> (activeRng.<a class="code" href="structpFlow_1_1Range.html#a8ade4cd349991c4c7ed9131410ddd8f0">start</a>(), activeRng.<a class="code" href="structpFlow_1_1Range.html#a38ebf09d6bfa7f04d4a95ff7f0d3aef4">end</a>()),</div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="pFlowMacros_8hpp.html#aa7d4742cdf24a3792276e669531d145c">LAMBDA_HD</a>(<a class="code" href="namespacepFlow.html#abd01e8e67e3d94cab04ecaaf4f85ac1b">uint32</a> i){</div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  y[i] += dt*(<span class="keyword">static_cast<</span><a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a><span class="keyword">></span>(1.5) * dy[i] - <span class="keyword">static_cast<</span><a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a><span class="keyword">></span>(0.5) * dy1[i]);</div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  dy1[i] = dy[i];</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  });</div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  Kokkos::fence();</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; </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>  </div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">inline</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keywordtype">bool</span> <a class="code" href="namespacepFlow_1_1AB2Kernels.html#a0e684a0c67df0388c9ab00a8abea55c4">intScattered</a></div> <div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacepFlow_1_1AB2Kernels.html#a0e684a0c67df0388c9ab00a8abea55c4"> 35</a></span> (</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#a0ebe792a293e8c717bddf60070c0fe99">word</a>& name,</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a> dt, </div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> <a class="code" href="classpFlow_1_1pointFlag.html">pFlagTypeDevice</a>& activePoints,</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& y, </div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& dy,</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">const</span> <a class="code" href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">deviceViewType1D<realx3></a>& dy1</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> )</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  Kokkos::parallel_for(</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  name,</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="namespacepFlow.html#a6ea32be3339f3023ab349c9c3775c916">deviceRPolicyStatic</a> (activePoints.<a class="code" href="classpFlow_1_1pointFlag.html#a766f5bcd312f3e0ca10011181b05f318">activeRange</a>().start(), activePoints.<a class="code" href="classpFlow_1_1pointFlag.html#a766f5bcd312f3e0ca10011181b05f318">activeRange</a>().end()),</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="pFlowMacros_8hpp.html#aa7d4742cdf24a3792276e669531d145c">LAMBDA_HD</a>(<a class="code" href="namespacepFlow.html#abd01e8e67e3d94cab04ecaaf4f85ac1b">uint32</a> i){</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span>( activePoints(i))</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  y[i] += dt*(<span class="keyword">static_cast<</span><a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a><span class="keyword">></span>(1.5) * dy[i] - <span class="keyword">static_cast<</span><a class="code" href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">real</a><span class="keyword">></span>(0.5) * dy1[i]);</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  dy1[i] = dy[i];</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  });</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  Kokkos::fence();</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <div class="ttc" id="anamespacepFlow_html_a6192191c0e9c178a44ee1ac350fde476"><div class="ttname"><a href="namespacepFlow.html#a6192191c0e9c178a44ee1ac350fde476">pFlow::real</a></div><div class="ttdeci">float real</div><div class="ttdef"><b>Definition:</b> <a href="builtinTypes_8hpp_source.html#l00045">builtinTypes.hpp:45</a></div></div> <div class="ttc" id="atypes_8hpp_html"><div class="ttname"><a href="types_8hpp.html">types.hpp</a></div></div> <div class="ttc" id="astructpFlow_1_1Range_html_a38ebf09d6bfa7f04d4a95ff7f0d3aef4"><div class="ttname"><a href="structpFlow_1_1Range.html#a38ebf09d6bfa7f04d4a95ff7f0d3aef4">pFlow::Range::end</a></div><div class="ttdeci">INLINE_FUNCTION_HD T & end()</div><div class="ttdoc">End.</div><div class="ttdef"><b>Definition:</b> <a href="Range_8hpp_source.html#l00101">Range.hpp:101</a></div></div> <div class="ttc" id="anamespacepFlow_html_abd01e8e67e3d94cab04ecaaf4f85ac1b"><div class="ttname"><a href="namespacepFlow.html#abd01e8e67e3d94cab04ecaaf4f85ac1b">pFlow::uint32</a></div><div class="ttdeci">unsigned int uint32</div><div class="ttdef"><b>Definition:</b> <a href="builtinTypes_8hpp_source.html#l00056">builtinTypes.hpp:56</a></div></div> <div class="ttc" id="anamespacepFlow_html_a0ebe792a293e8c717bddf60070c0fe99"><div class="ttname"><a href="namespacepFlow.html#a0ebe792a293e8c717bddf60070c0fe99">pFlow::word</a></div><div class="ttdeci">std::string word</div><div class="ttdef"><b>Definition:</b> <a href="builtinTypes_8hpp_source.html#l00064">builtinTypes.hpp:64</a></div></div> <div class="ttc" id="astructpFlow_1_1Range_html_a8ade4cd349991c4c7ed9131410ddd8f0"><div class="ttname"><a href="structpFlow_1_1Range.html#a8ade4cd349991c4c7ed9131410ddd8f0">pFlow::Range::start</a></div><div class="ttdeci">INLINE_FUNCTION_HD T & start()</div><div class="ttdoc">Start.</div><div class="ttdef"><b>Definition:</b> <a href="Range_8hpp_source.html#l00094">Range.hpp:94</a></div></div> <div class="ttc" id="aKokkosTypes_8hpp_html"><div class="ttname"><a href="KokkosTypes_8hpp.html">KokkosTypes.hpp</a></div></div> <div class="ttc" id="anamespacepFlow_1_1AB2Kernels_html"><div class="ttname"><a href="namespacepFlow_1_1AB2Kernels.html">pFlow::AB2Kernels</a></div><div class="ttdef"><b>Definition:</b> <a href="AB2Kernels_8hpp_source.html#l00009">AB2Kernels.hpp:9</a></div></div> <div class="ttc" id="anamespacepFlow_html_aa5276597d4016d6696f1f265a13d2164"><div class="ttname"><a href="namespacepFlow.html#aa5276597d4016d6696f1f265a13d2164">pFlow::deviceViewType1D</a></div><div class="ttdeci">Kokkos::View< T * > deviceViewType1D</div><div class="ttdoc">1D array (vector) with default device (memory space and execution space)</div><div class="ttdef"><b>Definition:</b> <a href="KokkosTypes_8hpp_source.html#l00121">KokkosTypes.hpp:121</a></div></div> <div class="ttc" id="anamespacepFlow_1_1AB2Kernels_html_a1d3752d19417e5f211093381ef34cbc9"><div class="ttname"><a href="namespacepFlow_1_1AB2Kernels.html#a1d3752d19417e5f211093381ef34cbc9">pFlow::AB2Kernels::intAllActive</a></div><div class="ttdeci">bool intAllActive(const word &name, real dt, rangeU32 activeRng, const deviceViewType1D< realx3 > &y, const deviceViewType1D< realx3 > &dy, const deviceViewType1D< realx3 > &dy1)</div><div class="ttdef"><b>Definition:</b> <a href="AB2Kernels_8hpp_source.html#l00012">AB2Kernels.hpp:12</a></div></div> <div class="ttc" id="aclasspFlow_1_1pointFlag_html_a766f5bcd312f3e0ca10011181b05f318"><div class="ttname"><a href="classpFlow_1_1pointFlag.html#a766f5bcd312f3e0ca10011181b05f318">pFlow::pointFlag::activeRange</a></div><div class="ttdeci">const INLINE_FUNCTION_HD auto & activeRange() const</div><div class="ttdef"><b>Definition:</b> <a href="pointFlag_8hpp_source.html#l00179">pointFlag.hpp:179</a></div></div> <div class="ttc" id="astructpFlow_1_1Range_html"><div class="ttname"><a href="structpFlow_1_1Range.html">pFlow::Range< uint32 ></a></div></div> <div class="ttc" id="anamespacepFlow_1_1AB2Kernels_html_a0e684a0c67df0388c9ab00a8abea55c4"><div class="ttname"><a href="namespacepFlow_1_1AB2Kernels.html#a0e684a0c67df0388c9ab00a8abea55c4">pFlow::AB2Kernels::intScattered</a></div><div class="ttdeci">bool intScattered(const word &name, real dt, const pFlagTypeDevice &activePoints, const deviceViewType1D< realx3 > &y, const deviceViewType1D< realx3 > &dy, const deviceViewType1D< realx3 > &dy1)</div><div class="ttdef"><b>Definition:</b> <a href="AB2Kernels_8hpp_source.html#l00035">AB2Kernels.hpp:35</a></div></div> <div class="ttc" id="apFlowMacros_8hpp_html_aa7d4742cdf24a3792276e669531d145c"><div class="ttname"><a href="pFlowMacros_8hpp.html#aa7d4742cdf24a3792276e669531d145c">LAMBDA_HD</a></div><div class="ttdeci">#define LAMBDA_HD</div><div class="ttdef"><b>Definition:</b> <a href="pFlowMacros_8hpp_source.html#l00058">pFlowMacros.hpp:58</a></div></div> <div class="ttc" id="anamespacepFlow_html_a6ea32be3339f3023ab349c9c3775c916"><div class="ttname"><a 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