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<div class="title">BufferManager.hpp</div>  </div>
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<a href="_buffer_manager_8hpp.xhtml">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">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright © 2019 Arm Ltd. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_buffer_manager_8hpp.xhtml">IBufferManager.hpp</a>&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_consumer_8hpp.xhtml">IConsumer.hpp</a>&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;condition_variable&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;mutex&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;queue&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearmnn.xhtml">armnn</a></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;{</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">namespace </span>profiling</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;{</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml">   22</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml">BufferManager</a> : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1profiling_1_1_i_buffer_manager.xhtml">IBufferManager</a></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;{</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a0aee89a45e5c21933b2f16b46bec25e3">BufferManager</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numberOfBuffers = 5, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> maxPacketSize = 4096);</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a8224229b6953f986d6fb2d4d00fe6ee2">   27</a></span>&#160;    <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a8224229b6953f986d6fb2d4d00fe6ee2">~BufferManager</a>() {}</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <a class="code" href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">IPacketBufferPtr</a> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ac3f43b4dd3fafd6b13342acc2263bbb4">Reserve</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> requestedSize, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>&amp; reservedSize) <span class="keyword">override</span>;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a372de693ad40b3f42839c8ec6ac845f4">Reset</a>();</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a183eaa37ccd326bd82179bed901c7122">Commit</a>(<a class="code" href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">IPacketBufferPtr</a>&amp; packetBuffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size, <span class="keywordtype">bool</span> notifyConsumer = <span class="keyword">true</span>) <span class="keyword">override</span>;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a226108649851aa1b1a8168560c5228b5">Release</a>(<a class="code" href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">IPacketBufferPtr</a>&amp; packetBuffer) <span class="keyword">override</span>;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <a class="code" href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">IPacketBufferPtr</a> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#abce8709dc1b666a26f427ba7ff08b737">GetReadableBuffer</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ae717263b3243e9f88f4caea6d31b0652">MarkRead</a>(<a class="code" href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">IPacketBufferPtr</a>&amp; packetBuffer) <span class="keyword">override</span>;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">    /// Set Consumer on the buffer manager to be notified when there is a Commit</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">    /// Can only be one consumer</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"></span>    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ad675ff4e9053375bd41d0aad6b3bbb63">SetConsumer</a>(<a class="code" href="classarmnn_1_1profiling_1_1_i_consumer.xhtml">IConsumer</a>* consumer) <span class="keyword">override</span>;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">    /// Notify the Consumer buffer can be read</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"></span>    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#af22fdc7450c285c4d7449425c8fe994f">FlushReadList</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordtype">void</span> Initialize();</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="comment">// Maximum buffer size</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_MaxBufferSize;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="comment">// Number of buffers</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_NumberOfBuffers;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_MaxNumberOfBuffers;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_CurrentNumberOfBuffers;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="comment">// List of available packet buffers</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    std::vector&lt;IPacketBufferPtr&gt; m_AvailableList;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="comment">// List of readable packet buffers</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    std::queue&lt;IPacketBufferPtr&gt; m_ReadableList;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="comment">// Mutex for available packet buffer list</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    std::mutex m_AvailableMutex;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">// Mutex for readable packet buffer list</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    std::mutex m_ReadableMutex;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="comment">// Consumer thread to notify packet is ready to read</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <a class="code" href="classarmnn_1_1profiling_1_1_i_consumer.xhtml">IConsumer</a>* m_Consumer = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;};</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;} <span class="comment">// namespace profiling</span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;} <span class="comment">// namespace armnn</span></div><div class="ttc" id="_i_buffer_manager_8hpp_xhtml"><div class="ttname"><a href="_i_buffer_manager_8hpp.xhtml">IBufferManager.hpp</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_i_consumer_xhtml"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_consumer.xhtml">armnn::profiling::IConsumer</a></div><div class="ttdef"><b>Definition:</b> <a href="_i_consumer_8hpp_source.xhtml#l00014">IConsumer.hpp:14</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_ad675ff4e9053375bd41d0aad6b3bbb63"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ad675ff4e9053375bd41d0aad6b3bbb63">armnn::profiling::BufferManager::SetConsumer</a></div><div class="ttdeci">void SetConsumer(IConsumer *consumer) override</div><div class="ttdoc">Set Consumer on the buffer manager to be notified when there is a Commit Can only be one consumer...</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00150">BufferManager.cpp:150</a></div></div>
<div class="ttc" id="namespacearmnn_xhtml"><div class="ttname"><a href="namespacearmnn.xhtml">armnn</a></div><div class="ttdoc">Copyright (c) 2021 ARM Limited and Contributors. </div><div class="ttdef"><b>Definition:</b> <a href="01__00__software__tools_8dox_source.xhtml#l00006">01_00_software_tools.dox:6</a></div></div>
<div class="ttc" id="_i_consumer_8hpp_xhtml"><div class="ttname"><a href="_i_consumer_8hpp.xhtml">IConsumer.hpp</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_a0aee89a45e5c21933b2f16b46bec25e3"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a0aee89a45e5c21933b2f16b46bec25e3">armnn::profiling::BufferManager::BufferManager</a></div><div class="ttdeci">BufferManager(unsigned int numberOfBuffers=5, unsigned int maxPacketSize=4096)</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00015">BufferManager.cpp:15</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_af22fdc7450c285c4d7449425c8fe994f"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#af22fdc7450c285c4d7449425c8fe994f">armnn::profiling::BufferManager::FlushReadList</a></div><div class="ttdeci">void FlushReadList() override</div><div class="ttdoc">Notify the Consumer buffer can be read. </div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00155">BufferManager.cpp:155</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_a8224229b6953f986d6fb2d4d00fe6ee2"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a8224229b6953f986d6fb2d4d00fe6ee2">armnn::profiling::BufferManager::~BufferManager</a></div><div class="ttdeci">~BufferManager()</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8hpp_source.xhtml#l00027">BufferManager.hpp:27</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_a183eaa37ccd326bd82179bed901c7122"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a183eaa37ccd326bd82179bed901c7122">armnn::profiling::BufferManager::Commit</a></div><div class="ttdeci">void Commit(IPacketBufferPtr &amp;packetBuffer, unsigned int size, bool notifyConsumer=true) override</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00058">BufferManager.cpp:58</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_ac3f43b4dd3fafd6b13342acc2263bbb4"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ac3f43b4dd3fafd6b13342acc2263bbb4">armnn::profiling::BufferManager::Reserve</a></div><div class="ttdeci">IPacketBufferPtr Reserve(unsigned int requestedSize, unsigned int &amp;reservedSize) override</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00024">BufferManager.cpp:24</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_abce8709dc1b666a26f427ba7ff08b737"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#abce8709dc1b666a26f427ba7ff08b737">armnn::profiling::BufferManager::GetReadableBuffer</a></div><div class="ttdeci">IPacketBufferPtr GetReadableBuffer() override</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00116">BufferManager.cpp:116</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_ae717263b3243e9f88f4caea6d31b0652"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#ae717263b3243e9f88f4caea6d31b0652">armnn::profiling::BufferManager::MarkRead</a></div><div class="ttdeci">void MarkRead(IPacketBufferPtr &amp;packetBuffer) override</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00129">BufferManager.cpp:129</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml">armnn::profiling::BufferManager</a></div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8hpp_source.xhtml#l00022">BufferManager.hpp:22</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_i_buffer_manager_xhtml"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_buffer_manager.xhtml">armnn::profiling::IBufferManager</a></div><div class="ttdef"><b>Definition:</b> <a href="_i_buffer_manager_8hpp_source.xhtml#l00021">IBufferManager.hpp:21</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_a372de693ad40b3f42839c8ec6ac845f4"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a372de693ad40b3f42839c8ec6ac845f4">armnn::profiling::BufferManager::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00104">BufferManager.cpp:104</a></div></div>
<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_a14328d977cec3abadcfd5935f04f3409"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#a14328d977cec3abadcfd5935f04f3409">armnn::profiling::IPacketBufferPtr</a></div><div class="ttdeci">std::unique_ptr&lt; IPacketBuffer &gt; IPacketBufferPtr</div><div class="ttdef"><b>Definition:</b> <a href="_i_packet_buffer_8hpp_source.xhtml#l00044">IPacketBuffer.hpp:44</a></div></div>
<div class="ttc" id="classarmnn_1_1profiling_1_1_buffer_manager_xhtml_a226108649851aa1b1a8168560c5228b5"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_buffer_manager.xhtml#a226108649851aa1b1a8168560c5228b5">armnn::profiling::BufferManager::Release</a></div><div class="ttdeci">void Release(IPacketBufferPtr &amp;packetBuffer) override</div><div class="ttdef"><b>Definition:</b> <a href="_buffer_manager_8cpp_source.xhtml#l00083">BufferManager.cpp:83</a></div></div>
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