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<a href="#pub-types">Public Types</a> &#124;
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<div class="title">SubgraphViewSelector Class Reference<span class="mlabels"><span class="mlabel">final</span></span></div> </div>
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<p>Algorithm that splits a <a class="el" href="classarmnn_1_1_graph.html">Graph</a> into Subgraphs based on a filtering of layers (e.g.
<a href="classarmnn_1_1_subgraph_view_selector.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_subgraph_view_selector_8hpp_source.html">SubgraphViewSelector.hpp</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:ab9e8c2ce720efe33c8a20b8f74bb9d5f"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">Subgraphs</a> = std::vector&lt; <a class="el" href="classarmnn_1_1_subgraph_view.html#ad5fc1b5213dcb72c0d4ac9dfb46ef677">SubgraphView::SubgraphViewPtr</a> &gt;</td></tr>
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<tr class="memitem:a341a1b47a5f71edaebf81f3a5f0f4c55"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> = std::function&lt; bool(const <a class="el" href="classarmnn_1_1_layer.html">Layer</a> &amp;)&gt;</td></tr>
<tr class="separator:a341a1b47a5f71edaebf81f3a5f0f4c55"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:a3730b0a6006f0d87f894a44e01869d90"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">Subgraphs</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a3730b0a6006f0d87f894a44e01869d90">SelectSubgraphs</a> (<a class="el" href="classarmnn_1_1_graph.html">Graph</a> &amp;graph, const <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> &amp;selector)</td></tr>
<tr class="memdesc:a3730b0a6006f0d87f894a44e01869d90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Selects subgraphs from a graph based on the selector function and the algorithm. <a href="classarmnn_1_1_subgraph_view_selector.html#a3730b0a6006f0d87f894a44e01869d90">More...</a><br /></td></tr>
<tr class="separator:a3730b0a6006f0d87f894a44e01869d90"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad28bb1b624cde39578cfefa8b7809aef"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">Subgraphs</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ad28bb1b624cde39578cfefa8b7809aef">SelectSubgraphs</a> (<a class="el" href="classarmnn_1_1_subgraph_view.html">SubgraphView</a> &amp;subgraph, const <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> &amp;selector)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Algorithm that splits a <a class="el" href="classarmnn_1_1_graph.html">Graph</a> into Subgraphs based on a filtering of layers (e.g. </p>
<p>which layers are appropriate for a certain backend). The resulting subgraphs are guaranteed to be form a DAG (i.e. there are no dependency loops).</p>
<p>The algorithm aims to produce as few subgraphs as possible. </p>
<p class="definition">Definition at line <a class="el" href="_subgraph_view_selector_8hpp_source.html#l00021">21</a> of file <a class="el" href="_subgraph_view_selector_8hpp_source.html">SubgraphViewSelector.hpp</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a341a1b47a5f71edaebf81f3a5f0f4c55"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a341a1b47a5f71edaebf81f3a5f0f4c55">&#9670;&nbsp;</a></span>LayerSelectorFunction</h2>
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<td class="memname">using <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> = std::function&lt;bool(const <a class="el" href="classarmnn_1_1_layer.html">Layer</a>&amp;)&gt;</td>
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<p class="definition">Definition at line <a class="el" href="_subgraph_view_selector_8hpp_source.html#l00025">25</a> of file <a class="el" href="_subgraph_view_selector_8hpp_source.html">SubgraphViewSelector.hpp</a>.</p>
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<a id="ab9e8c2ce720efe33c8a20b8f74bb9d5f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab9e8c2ce720efe33c8a20b8f74bb9d5f">&#9670;&nbsp;</a></span>Subgraphs</h2>
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<td class="memname">using <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">Subgraphs</a> = std::vector&lt;<a class="el" href="classarmnn_1_1_subgraph_view.html#ad5fc1b5213dcb72c0d4ac9dfb46ef677">SubgraphView::SubgraphViewPtr</a>&gt;</td>
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<p class="definition">Definition at line <a class="el" href="_subgraph_view_selector_8hpp_source.html#l00024">24</a> of file <a class="el" href="_subgraph_view_selector_8hpp_source.html">SubgraphViewSelector.hpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a3730b0a6006f0d87f894a44e01869d90"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3730b0a6006f0d87f894a44e01869d90">&#9670;&nbsp;</a></span>SelectSubgraphs() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">SubgraphViewSelector::Subgraphs</a> SelectSubgraphs </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classarmnn_1_1_graph.html">Graph</a> &amp;&#160;</td>
<td class="paramname"><em>graph</em>, </td>
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<td class="paramtype">const <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> &amp;&#160;</td>
<td class="paramname"><em>selector</em>&#160;</td>
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<p>Selects subgraphs from a graph based on the selector function and the algorithm. </p>
<p>Since the Subgraphs object returns modifiable pointers to the input and output slots of the graph: 1) the graph/sub-graph cannot be const 2) the caller needs to make sure that the Subgraphs lifetime is shorter than the parent graph's </p>
<p class="definition">Definition at line <a class="el" href="_subgraph_view_selector_8cpp_source.html#l00269">269</a> of file <a class="el" href="_subgraph_view_selector_8cpp_source.html">SubgraphViewSelector.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;{</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; SubgraphView subgraph(graph);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_subgraph_view_selector.html#a3730b0a6006f0d87f894a44e01869d90">SubgraphViewSelector::SelectSubgraphs</a>(subgraph, selector);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160;}</div>
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<p class="reference">Referenced by <a class="el" href="_network_8cpp_source.html#l01320">armnn::ApplyBackendOptimizations()</a>.</p>
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<a id="ad28bb1b624cde39578cfefa8b7809aef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad28bb1b624cde39578cfefa8b7809aef">&#9670;&nbsp;</a></span>SelectSubgraphs() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">SubgraphViewSelector::Subgraphs</a> SelectSubgraphs </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classarmnn_1_1_subgraph_view.html">SubgraphView</a> &amp;&#160;</td>
<td class="paramname"><em>subgraph</em>, </td>
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<td class="paramtype">const <a class="el" href="classarmnn_1_1_subgraph_view_selector.html#a341a1b47a5f71edaebf81f3a5f0f4c55">LayerSelectorFunction</a> &amp;&#160;</td>
<td class="paramname"><em>selector</em>&#160;</td>
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<p class="definition">Definition at line <a class="el" href="_subgraph_view_selector_8cpp_source.html#l00402">402</a> of file <a class="el" href="_subgraph_view_selector_8cpp_source.html">SubgraphViewSelector.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160;{</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; LayerSelectionInfo::LayerInfoContainer layerInfos;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; LayerSelectionInfo::LayerInfoQueue processQueue;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_subgraph_view.html#ad7c7687cd3542e5cbb45e56f9a9456e7">SubgraphView::IConnectableLayers</a>&amp; subgraphLayers = subgraph.GetIConnectableLayers();</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; layer : subgraphLayers)</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; {</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; </div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; <span class="keyword">auto</span> emplaced = layerInfos.emplace(layer, LayerSelectionInfo{PolymorphicDowncast&lt;Layer*&gt;(layer), selector});</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; LayerSelectionInfo&amp; layerInfo = emplaced.first-&gt;second;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; <span class="comment">// Start with Input type layers</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <span class="keywordflow">if</span> (layerInfo.IsInputLayer())</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; {</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; processQueue.push(&amp;layerInfo);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; }</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; }</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; </div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_subgraph_view.html#a4ad949634fd697549da161eb09d8b7fd">SubgraphView::IInputSlots</a>&amp; subgraphInputSlots = subgraph.GetIInputSlots();</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; inputSlot : subgraphInputSlots)</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; {</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; Layer&amp; layer = PolymorphicDowncast&lt;InputSlot*&gt;(inputSlot)-&gt;GetOwningLayer();</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="keyword">auto</span> emplaced = layerInfos.emplace(&amp;layer, LayerSelectionInfo{&amp;layer, selector});</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; LayerSelectionInfo&amp; layerInfo = emplaced.first-&gt;second;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; processQueue.push(&amp;layerInfo);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; <span class="keywordflow">while</span> (!processQueue.empty())</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; {</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; LayerSelectionInfo&amp; layerInfo = *processQueue.front();</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; processQueue.pop(); <span class="comment">// remove front from queue</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; <span class="comment">// This layerInfo may have been added to the queue multiple times, so skip if we have already processed it</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; <span class="keywordflow">if</span> (!layerInfo.m_IsProcessed)</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; {</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; <span class="comment">// Only process this layerInfo if all inputs have been processed</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="namespacearmnn.html#a6b10dc0d12c7f4a52ad01b9975dbe908">IsReadyForSplitAssignment</a>(layerInfos, layerInfo))</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; {</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; <span class="comment">// Put back of the process queue if we can&#39;t process it just yet</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; processQueue.push(&amp;layerInfo);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; <span class="keywordflow">continue</span>; <span class="comment">// Skip to next iteration</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160; }</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160; </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="comment">// Now we do the processing</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; <a class="code" href="namespacearmnn.html#a09ff1f6670d27d3b41e5b5d35a6c9f37">AssignSplitId</a>(layerInfos, layerInfo);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; </div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <span class="comment">// Queue any child nodes for processing</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; <a class="code" href="namespacearmnn.html#a49538fa883b70c944e437d65d6628eec">ForEachLayerOutput</a>(layerInfos, layerInfo, [&amp;processQueue](LayerSelectionInfo&amp; childInfo)</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; {</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; processQueue.push(&amp;childInfo);</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; });</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; </div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; <span class="comment">// We don&#39;t need to process this node again</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; layerInfo.m_IsProcessed = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; }</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160; </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; <span class="comment">// Collect all selected layers keyed by subgraph representative into a map</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; <span class="keyword">using</span> SelectionInfoPtrs = std::vector&lt;LayerSelectionInfo*&gt;;</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160; std::map&lt;PartialSubgraph*, SelectionInfoPtrs&gt; splitMap;</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; info : layerInfos)</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160; {</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">info</a>.second.m_IsSelected)</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160; {</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>&#160; <span class="keyword">auto</span> it = splitMap.find(<a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">info</a>.second.m_Subgraph-&gt;GetRepresentative());</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>&#160; <span class="keywordflow">if</span> (it == splitMap.end())</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160; {</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>&#160; splitMap.insert(</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160; std::make_pair(<a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">info</a>.second.m_Subgraph-&gt;GetRepresentative(), SelectionInfoPtrs{&amp;info.second}));</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>&#160; }</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>&#160; {</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160; it-&gt;second.push_back(&amp;<a class="code" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">info</a>.second);</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>&#160; }</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160; }</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160; }</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160; </div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160; <span class="comment">// Now each entry in splitMap represents a subgraph</span></div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160; <a class="code" href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">Subgraphs</a> result;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; splitGraph : splitMap)</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160; {</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160; <a class="code" href="classarmnn_1_1_subgraph_view.html#a4ad949634fd697549da161eb09d8b7fd">SubgraphView::IInputSlots</a> inputs;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160; <a class="code" href="classarmnn_1_1_subgraph_view.html#a3f717693851810942d3ae0180a97fb4c">SubgraphView::IOutputSlots</a> outputs;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>&#160; <a class="code" href="classarmnn_1_1_subgraph_view.html#ad7c7687cd3542e5cbb45e56f9a9456e7">SubgraphView::IConnectableLayers</a> layers;</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp;&amp; infoPtr : splitGraph.second)</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160; {</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160; infoPtr-&gt;CollectNonSelectedInputs(layerInfos, inputs);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; infoPtr-&gt;CollectNonSelectedOutputSlots(layerInfos, outputs);</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; layers.push_back(infoPtr-&gt;m_Layer);</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; }</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; </div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; <span class="comment">// Sort lists into deterministic order, not relying on pointer values which may be different on each execution.</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; <span class="comment">// This makes debugging the optimised graph much easier as subsequent stages can also be deterministic.</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160; std::sort(inputs.begin(), inputs.end(), [](<span class="keyword">const</span> IInputSlot* a, <span class="keyword">const</span> IInputSlot* b)</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160; {</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160; auto* castA = PolymorphicDowncast&lt;const InputSlot*&gt;(a);</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160; auto* castB = PolymorphicDowncast&lt;const InputSlot*&gt;(b);</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>&#160; const LayerGuid guidA = castA-&gt;GetOwningLayer().GetGuid();</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>&#160; const LayerGuid guidB = castB-&gt;GetOwningLayer().GetGuid();</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>&#160; if (guidA &lt; guidB)</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>&#160; {</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>&#160; return true;</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>&#160; }</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>&#160; <span class="keywordflow">else</span> if (guidA == guidB)</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>&#160; {</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>&#160; <span class="keywordflow">return</span> (castA-&gt;GetSlotIndex() &lt; castB-&gt;GetSlotIndex());</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>&#160; }</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>&#160; });</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>&#160; std::sort(outputs.begin(), outputs.end(), [](<span class="keyword">const</span> IOutputSlot* a, <span class="keyword">const</span> IOutputSlot* b)</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160; {</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>&#160; auto* castA = PolymorphicDowncast&lt;const OutputSlot*&gt;(a);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; auto* castB = PolymorphicDowncast&lt;const OutputSlot*&gt;(b);</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160; const LayerGuid guidA = castA-&gt;GetOwningLayer().GetGuid();</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160; const LayerGuid guidB = castB-&gt;GetOwningLayer().GetGuid();</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160; if (guidA &lt; guidB)</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; {</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; return true;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; }</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; <span class="keywordflow">else</span> if (guidA == guidB)</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160; {</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160; <span class="keywordflow">return</span> (a-&gt;CalculateIndexOnOwner() &lt; b-&gt;CalculateIndexOnOwner());</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160; }</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160; });</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160; layers.sort([](<span class="keyword">const</span> IConnectableLayer* a, <span class="keyword">const</span> IConnectableLayer* b) { <span class="keywordflow">return</span> a-&gt;GetGuid() &lt; b-&gt;GetGuid(); });</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160; </div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160; <span class="comment">// Create a new sub-graph with the new lists of input/output slots and layer</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160; result.emplace_back(std::make_unique&lt;SubgraphView&gt;(std::move(layers),</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160; std::move(inputs),</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160; std::move(outputs)));</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; }</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160; </div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>&#160; <span class="comment">// Sort subgraphs list into deterministic order, not relying on pointer values which may be different on each </span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>&#160; <span class="comment">// execution. This makes debugging the optimised graph much easier as subsequent stages can also be </span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>&#160; <span class="comment">// deterministic.</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>&#160; std::sort(result.begin(), result.end(), [](<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_subgraph_view.html#ad5fc1b5213dcb72c0d4ac9dfb46ef677">SubgraphView::SubgraphViewPtr</a>&amp; a,</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_subgraph_view.html#ad5fc1b5213dcb72c0d4ac9dfb46ef677">SubgraphView::SubgraphViewPtr</a>&amp; b)</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>&#160; {</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>&#160; return a-&gt;GetIConnectableLayers().front()-&gt;GetGuid() &lt; b-&gt;GetIConnectableLayers().front()-&gt;GetGuid();</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>&#160; });</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>&#160; </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>&#160;}</div>
</div><!-- fragment -->
<p class="reference">References <a class="el" href="_subgraph_view_selector_8cpp_source.html#l00322">armnn::AssignSplitId()</a>, <a class="el" href="classarmnn_1_1_i_output_slot.html#a41d30a9cd272e05986d71a69d6ad618b">IOutputSlot::CalculateIndexOnOwner()</a>, <a class="el" href="_subgraph_view_selector_8cpp_source.html#l00301">armnn::ForEachLayerOutput()</a>, <a class="el" href="_subgraph_view_8cpp_source.html#l00281">SubgraphView::GetIConnectableLayers()</a>, <a class="el" href="_subgraph_view_8cpp_source.html#l00236">SubgraphView::GetIInputSlots()</a>, <a class="el" href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">armnn::info</a>, and <a class="el" href="_subgraph_view_selector_8cpp_source.html#l00387">armnn::IsReadyForSplitAssignment()</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>src/armnn/<a class="el" href="_subgraph_view_selector_8hpp_source.html">SubgraphViewSelector.hpp</a></li>
<li>src/armnn/<a class="el" href="_subgraph_view_selector_8cpp_source.html">SubgraphViewSelector.cpp</a></li>
</ul>
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</div><!-- doc-content -->
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_html_a3f717693851810942d3ae0180a97fb4c"><div class="ttname"><a href="classarmnn_1_1_subgraph_view.html#a3f717693851810942d3ae0180a97fb4c">armnn::SubgraphView::IOutputSlots</a></div><div class="ttdeci">std::vector&lt; IOutputSlot * &gt; IOutputSlots</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_8hpp_source.html#l00060">SubgraphView.hpp:60</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a09ff1f6670d27d3b41e5b5d35a6c9f37"><div class="ttname"><a href="namespacearmnn.html#a09ff1f6670d27d3b41e5b5d35a6c9f37">armnn::AssignSplitId</a></div><div class="ttdeci">void AssignSplitId(LayerSelectionInfo::LayerInfoContainer &amp;layerInfos, LayerSelectionInfo &amp;layerInfo)</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_selector_8cpp_source.html#l00322">SubgraphViewSelector.cpp:322</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_html_ad7c7687cd3542e5cbb45e56f9a9456e7"><div class="ttname"><a href="classarmnn_1_1_subgraph_view.html#ad7c7687cd3542e5cbb45e56f9a9456e7">armnn::SubgraphView::IConnectableLayers</a></div><div class="ttdeci">std::list&lt; IConnectableLayer * &gt; IConnectableLayers</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_8hpp_source.html#l00062">SubgraphView.hpp:62</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_selector_html_a3730b0a6006f0d87f894a44e01869d90"><div class="ttname"><a href="classarmnn_1_1_subgraph_view_selector.html#a3730b0a6006f0d87f894a44e01869d90">armnn::SubgraphViewSelector::SelectSubgraphs</a></div><div class="ttdeci">static Subgraphs SelectSubgraphs(Graph &amp;graph, const LayerSelectorFunction &amp;selector)</div><div class="ttdoc">Selects subgraphs from a graph based on the selector function and the algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_selector_8cpp_source.html#l00269">SubgraphViewSelector.cpp:269</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_html_ad5fc1b5213dcb72c0d4ac9dfb46ef677"><div class="ttname"><a href="classarmnn_1_1_subgraph_view.html#ad5fc1b5213dcb72c0d4ac9dfb46ef677">armnn::SubgraphView::SubgraphViewPtr</a></div><div class="ttdeci">std::shared_ptr&lt; SubgraphView &gt; SubgraphViewPtr</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_8hpp_source.html#l00056">SubgraphView.hpp:56</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_html_a4ad949634fd697549da161eb09d8b7fd"><div class="ttname"><a href="classarmnn_1_1_subgraph_view.html#a4ad949634fd697549da161eb09d8b7fd">armnn::SubgraphView::IInputSlots</a></div><div class="ttdeci">std::vector&lt; IInputSlot * &gt; IInputSlots</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_8hpp_source.html#l00058">SubgraphView.hpp:58</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c"><div class="ttname"><a href="namespacearmnn.html#a4dc0adc6737b5944e7671bee71788407acaf9b6b99962bf5c2264824231d7a40c">armnn::BoostLogSeverityMapping::info</a></div><div class="ttdeci">@ info</div></div>
<div class="ttc" id="anamespacearmnn_html_a6b10dc0d12c7f4a52ad01b9975dbe908"><div class="ttname"><a href="namespacearmnn.html#a6b10dc0d12c7f4a52ad01b9975dbe908">armnn::IsReadyForSplitAssignment</a></div><div class="ttdeci">bool IsReadyForSplitAssignment(LayerSelectionInfo::LayerInfoContainer &amp;layerInfos, LayerSelectionInfo &amp;layerInfo)</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_selector_8cpp_source.html#l00387">SubgraphViewSelector.cpp:387</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a49538fa883b70c944e437d65d6628eec"><div class="ttname"><a href="namespacearmnn.html#a49538fa883b70c944e437d65d6628eec">armnn::ForEachLayerOutput</a></div><div class="ttdeci">void ForEachLayerOutput(LayerSelectionInfo::LayerInfoContainer &amp;layerInfos, LayerSelectionInfo &amp;layerInfo, Delegate function)</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_selector_8cpp_source.html#l00301">SubgraphViewSelector.cpp:301</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_subgraph_view_selector_html_ab9e8c2ce720efe33c8a20b8f74bb9d5f"><div class="ttname"><a href="classarmnn_1_1_subgraph_view_selector.html#ab9e8c2ce720efe33c8a20b8f74bb9d5f">armnn::SubgraphViewSelector::Subgraphs</a></div><div class="ttdeci">std::vector&lt; SubgraphView::SubgraphViewPtr &gt; Subgraphs</div><div class="ttdef"><b>Definition:</b> <a href="_subgraph_view_selector_8hpp_source.html#l00024">SubgraphViewSelector.hpp:24</a></div></div>
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