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<div class="title">MemoryManager.hpp</div> </div>
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<a href="_memory_manager_8hpp.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">//</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Copyright © 2021 Arm Ltd and Contributors. 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;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="_i_custom_allocator_8hpp.html">armnn/backends/ICustomAllocator.hpp</a>&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearmnn.html">armnn</a></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"><a class="line" href="structarmnn_1_1_allocator.html"> 11</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarmnn_1_1_allocator.html">Allocator</a></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;{<span class="comment"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> /// Pointer to @ICustomAllocator.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="structarmnn_1_1_allocator.html#a454dc02f777e9e66b9e798d4f4a647b5"> 14</a></span>&#160;<span class="comment"></span> std::shared_ptr&lt;ICustomAllocator&gt; <a class="code" href="structarmnn_1_1_allocator.html#a454dc02f777e9e66b9e798d4f4a647b5">m_CustomAllocator</a>{};<span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> /// Value which the size of each buffer (actual data size + padding) has to be a multiple of.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="structarmnn_1_1_allocator.html#a84b04a7eb9cb29c23dac4fe55eb1d78c"> 16</a></span>&#160;<span class="comment"></span> <span class="keywordtype">size_t</span> <a class="code" href="structarmnn_1_1_allocator.html#a84b04a7eb9cb29c23dac4fe55eb1d78c">m_Alignment</a> = 0 ;</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"><a class="line" href="structarmnn_1_1_tensor_memory.html"> 19</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarmnn_1_1_tensor_memory.html">TensorMemory</a></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;{<span class="comment"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> /// Number of bytes the value is away from the @BufferStorage.m_Buffer.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="structarmnn_1_1_tensor_memory.html#a7fa2df31ffac52484e0612a31fd4256d"> 22</a></span>&#160;<span class="comment"></span> <span class="keywordtype">size_t</span> <a class="code" href="structarmnn_1_1_tensor_memory.html#a7fa2df31ffac52484e0612a31fd4256d">m_Offset</a>{};<span class="comment"></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> /// Identifier to be used by the @LoadedNetwork to order the tensors.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="structarmnn_1_1_tensor_memory.html#a0948ebfd3dcfd15456e3306d13d69b95"> 24</a></span>&#160;<span class="comment"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structarmnn_1_1_tensor_memory.html#a0948ebfd3dcfd15456e3306d13d69b95">m_OutputSlotId</a>{};<span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> /// Pointer to the tensor value.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="structarmnn_1_1_tensor_memory.html#ad2b382076f26f48cd44783cfca2e3642"> 26</a></span>&#160;<span class="comment"></span> <span class="keywordtype">void</span>* <a class="code" href="structarmnn_1_1_tensor_memory.html#ad2b382076f26f48cd44783cfca2e3642">m_Data</a> = <span class="keyword">nullptr</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; </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structarmnn_1_1_buffer_storage.html"> 29</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarmnn_1_1_buffer_storage.html">BufferStorage</a></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{<span class="comment"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment"> /// Vector of pointer to @TensorMemory.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structarmnn_1_1_buffer_storage.html#a0d6a6b862d9630effce75d8ca18254ba"> 32</a></span>&#160;<span class="comment"></span> std::vector&lt;std::shared_ptr&lt;TensorMemory&gt;&gt; <a class="code" href="structarmnn_1_1_buffer_storage.html#a0d6a6b862d9630effce75d8ca18254ba">m_TensorMemoryVector</a>;<span class="comment"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment"> /// Total size of the buffer.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structarmnn_1_1_buffer_storage.html#afcd55b6ce066b6a3ddfcbbc1c483213f"> 34</a></span>&#160;<span class="comment"></span> <span class="keywordtype">size_t</span> <a class="code" href="structarmnn_1_1_buffer_storage.html#afcd55b6ce066b6a3ddfcbbc1c483213f">m_BufferSize</a>;<span class="comment"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment"> /// Pointer to the first element of the buffer.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structarmnn_1_1_buffer_storage.html#a9cf5acb7d9fb6392c16b6d642b869143"> 36</a></span>&#160;<span class="comment"></span> <span class="keywordtype">void</span>* <a class="code" href="structarmnn_1_1_buffer_storage.html#a9cf5acb7d9fb6392c16b6d642b869143">m_Buffer</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;};</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"><a class="line" href="classarmnn_1_1_memory_manager.html"> 39</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_memory_manager.html">MemoryManager</a></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment"> /// Initialization method to store in m_AllocatorBufferStoragePairVector all information needed.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment"> /// @param[in] bufferStorageVector - Vector of BufferStorage.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment"> /// @param[in] customAllocator - Pointer to ICustomAllocator.</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> /// @param[in] typeAlignment - Optional parameter. Value of which the size of each value has to be multiple of.</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_1_memory_manager.html#a07bc28679b487cc58281a168c3a1c18b">StoreMemToAllocate</a>(std::vector&lt;BufferStorage&gt; bufferStorageVector,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; std::shared_ptr&lt;ICustomAllocator&gt; customAllocator,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordtype">size_t</span> typeAlignment = 0);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment"> /// Allocate the amount of memory indicated by m_BufferSize, and</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"> /// point each m_Data to each correspondent Tensor so that they are m_Offset bytes separated.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_memory_manager.html#a36571ba095c5f84e8dbaee44d9068af8">Allocate</a>();</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> /// Deallocate memory</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_memory_manager.html#afaf63777ab6c7323a7b4eceecdfee3df">Deallocate</a>();</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; std::vector&lt;std::pair&lt;Allocator, std::vector&lt;BufferStorage&gt;&gt;&gt; m_AllocatorBufferStoragePairVector;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;};</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">// namespace armnn</span></div>
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<div class="ttc" id="astructarmnn_1_1_tensor_memory_html_ad2b382076f26f48cd44783cfca2e3642"><div class="ttname"><a href="structarmnn_1_1_tensor_memory.html#ad2b382076f26f48cd44783cfca2e3642">armnn::TensorMemory::m_Data</a></div><div class="ttdeci">void * m_Data</div><div class="ttdoc">Pointer to the tensor value.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00026">MemoryManager.hpp:26</a></div></div>
<div class="ttc" id="astructarmnn_1_1_allocator_html"><div class="ttname"><a href="structarmnn_1_1_allocator.html">armnn::Allocator</a></div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00011">MemoryManager.hpp:11</a></div></div>
<div class="ttc" id="astructarmnn_1_1_buffer_storage_html_a0d6a6b862d9630effce75d8ca18254ba"><div class="ttname"><a href="structarmnn_1_1_buffer_storage.html#a0d6a6b862d9630effce75d8ca18254ba">armnn::BufferStorage::m_TensorMemoryVector</a></div><div class="ttdeci">std::vector&lt; std::shared_ptr&lt; TensorMemory &gt; &gt; m_TensorMemoryVector</div><div class="ttdoc">Vector of pointer to @TensorMemory.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00032">MemoryManager.hpp:32</a></div></div>
<div class="ttc" id="astructarmnn_1_1_allocator_html_a84b04a7eb9cb29c23dac4fe55eb1d78c"><div class="ttname"><a href="structarmnn_1_1_allocator.html#a84b04a7eb9cb29c23dac4fe55eb1d78c">armnn::Allocator::m_Alignment</a></div><div class="ttdeci">size_t m_Alignment</div><div class="ttdoc">Value which the size of each buffer (actual data size + padding) has to be a multiple of.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00016">MemoryManager.hpp:16</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_memory_manager_html_a36571ba095c5f84e8dbaee44d9068af8"><div class="ttname"><a href="classarmnn_1_1_memory_manager.html#a36571ba095c5f84e8dbaee44d9068af8">armnn::MemoryManager::Allocate</a></div><div class="ttdeci">void Allocate()</div><div class="ttdoc">Allocate the amount of memory indicated by m_BufferSize, and point each m_Data to each correspondent ...</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8cpp_source.html#l00023">MemoryManager.cpp:23</a></div></div>
<div class="ttc" id="a_i_custom_allocator_8hpp_html"><div class="ttname"><a href="_i_custom_allocator_8hpp.html">ICustomAllocator.hpp</a></div></div>
<div class="ttc" id="astructarmnn_1_1_tensor_memory_html_a7fa2df31ffac52484e0612a31fd4256d"><div class="ttname"><a href="structarmnn_1_1_tensor_memory.html#a7fa2df31ffac52484e0612a31fd4256d">armnn::TensorMemory::m_Offset</a></div><div class="ttdeci">size_t m_Offset</div><div class="ttdoc">Number of bytes the value is away from the @BufferStorage.m_Buffer.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00022">MemoryManager.hpp:22</a></div></div>
<div class="ttc" id="astructarmnn_1_1_tensor_memory_html"><div class="ttname"><a href="structarmnn_1_1_tensor_memory.html">armnn::TensorMemory</a></div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00019">MemoryManager.hpp:19</a></div></div>
<div class="ttc" id="astructarmnn_1_1_buffer_storage_html_a9cf5acb7d9fb6392c16b6d642b869143"><div class="ttname"><a href="structarmnn_1_1_buffer_storage.html#a9cf5acb7d9fb6392c16b6d642b869143">armnn::BufferStorage::m_Buffer</a></div><div class="ttdeci">void * m_Buffer</div><div class="ttdoc">Pointer to the first element of the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00036">MemoryManager.hpp:36</a></div></div>
<div class="ttc" id="astructarmnn_1_1_buffer_storage_html"><div class="ttname"><a href="structarmnn_1_1_buffer_storage.html">armnn::BufferStorage</a></div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00029">MemoryManager.hpp:29</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_memory_manager_html_a07bc28679b487cc58281a168c3a1c18b"><div class="ttname"><a href="classarmnn_1_1_memory_manager.html#a07bc28679b487cc58281a168c3a1c18b">armnn::MemoryManager::StoreMemToAllocate</a></div><div class="ttdeci">void StoreMemToAllocate(std::vector&lt; BufferStorage &gt; bufferStorageVector, std::shared_ptr&lt; ICustomAllocator &gt; customAllocator, size_t typeAlignment=0)</div><div class="ttdoc">Initialization method to store in m_AllocatorBufferStoragePairVector all information needed.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8cpp_source.html#l00013">MemoryManager.cpp:13</a></div></div>
<div class="ttc" id="astructarmnn_1_1_buffer_storage_html_afcd55b6ce066b6a3ddfcbbc1c483213f"><div class="ttname"><a href="structarmnn_1_1_buffer_storage.html#afcd55b6ce066b6a3ddfcbbc1c483213f">armnn::BufferStorage::m_BufferSize</a></div><div class="ttdeci">size_t m_BufferSize</div><div class="ttdoc">Total size of the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00034">MemoryManager.hpp:34</a></div></div>
<div class="ttc" id="astructarmnn_1_1_tensor_memory_html_a0948ebfd3dcfd15456e3306d13d69b95"><div class="ttname"><a href="structarmnn_1_1_tensor_memory.html#a0948ebfd3dcfd15456e3306d13d69b95">armnn::TensorMemory::m_OutputSlotId</a></div><div class="ttdeci">unsigned int m_OutputSlotId</div><div class="ttdoc">Identifier to be used by the @LoadedNetwork to order the tensors.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00024">MemoryManager.hpp:24</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_memory_manager_html"><div class="ttname"><a href="classarmnn_1_1_memory_manager.html">armnn::MemoryManager</a></div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00039">MemoryManager.hpp:39</a></div></div>
<div class="ttc" id="anamespacearmnn_html"><div class="ttname"><a href="namespacearmnn.html">armnn</a></div><div class="ttdoc">Copyright (c) 2021 ARM Limited and Contributors.</div><div class="ttdef"><b>Definition:</b> <a href="01__00__quick__start_8dox_source.html#l00006">01_00_quick_start.dox:6</a></div></div>
<div class="ttc" id="astructarmnn_1_1_allocator_html_a454dc02f777e9e66b9e798d4f4a647b5"><div class="ttname"><a href="structarmnn_1_1_allocator.html#a454dc02f777e9e66b9e798d4f4a647b5">armnn::Allocator::m_CustomAllocator</a></div><div class="ttdeci">std::shared_ptr&lt; ICustomAllocator &gt; m_CustomAllocator</div><div class="ttdoc">Pointer to @ICustomAllocator.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8hpp_source.html#l00014">MemoryManager.hpp:14</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_memory_manager_html_afaf63777ab6c7323a7b4eceecdfee3df"><div class="ttname"><a href="classarmnn_1_1_memory_manager.html#afaf63777ab6c7323a7b4eceecdfee3df">armnn::MemoryManager::Deallocate</a></div><div class="ttdeci">void Deallocate()</div><div class="ttdoc">Deallocate memory.</div><div class="ttdef"><b>Definition:</b> <a href="_memory_manager_8cpp_source.html#l00041">MemoryManager.cpp:41</a></div></div>
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