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<div class="title">TosaRefMemoryManager.cpp</div> </div>
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<a href="_tosa_ref_memory_manager_8cpp.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 © 2022 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">#include &quot;<a class="code" href="_tosa_ref_memory_manager_8hpp.html">TosaRefMemoryManager.hpp</a>&quot;</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="_assert_8hpp.html">armnn/utility/Assert.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="preprocessor">#include &lt;algorithm&gt;</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="keyword">namespace </span><a class="code" href="namespacearmnn.html">armnn</a></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;{</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#a05b83ef8e516b8f29f70d2ab7061e7df"> 14</a></span>&#160;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#a05b83ef8e516b8f29f70d2ab7061e7df">TosaRefMemoryManager::TosaRefMemoryManager</a>()</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; </div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#a0b908b4397eb1512f64a7ff9953cb14c"> 17</a></span>&#160;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#a0b908b4397eb1512f64a7ff9953cb14c">TosaRefMemoryManager::~TosaRefMemoryManager</a>()</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; </div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#aeb67eea822d8ab80b2c2ff8f984af586"> 20</a></span>&#160;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">TosaRefMemoryManager::Pool</a>* <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#aeb67eea822d8ab80b2c2ff8f984af586">TosaRefMemoryManager::Manage</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numBytes)</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"> 22</span>&#160; <span class="keywordflow">if</span> (!m_FreePools.empty())</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; <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">Pool</a>* res = m_FreePools.back();</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; m_FreePools.pop_back();</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; res-&gt;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ab1d2a47dbdaf1c25da4b2b9534cfd3e5">Reserve</a>(numBytes);</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordflow">return</span> res;</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; <span class="keywordflow">else</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; m_Pools.push_front(<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">Pool</a>(numBytes));</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">return</span> &amp;m_Pools.front();</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; }</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; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#aeb4cf58433513e48fdd067cde9a8f7d6"> 36</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#aeb4cf58433513e48fdd067cde9a8f7d6">TosaRefMemoryManager::Allocate</a>(<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">TosaRefMemoryManager::Pool</a>* pool)</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; <a class="code" href="_assert_8hpp.html#a5698be69cbd5dfe6c28fcd9867e8cbed">ARMNN_ASSERT</a>(pool);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; m_FreePools.push_back(pool);</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; </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#ab236ab01a8959f4b273b388c09548238"> 42</a></span>&#160;<span class="keywordtype">void</span>* <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#ab236ab01a8959f4b273b388c09548238">TosaRefMemoryManager::GetPointer</a>(<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">TosaRefMemoryManager::Pool</a>* pool)</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> pool-&gt;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a6a5db07a5f1fad654e844c52bf702384">GetPointer</a>();</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;}</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#a21dfb49c3ec675ca25a5eb618fe52b07"> 47</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#a21dfb49c3ec675ca25a5eb618fe52b07">TosaRefMemoryManager::Acquire</a>()</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;{</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">Pool</a> &amp;pool: m_Pools)</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; pool.Acquire();</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;}</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager.html#a1a5dddc8911f6189f9ca01394c59faaf"> 55</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#a1a5dddc8911f6189f9ca01394c59faaf">TosaRefMemoryManager::Release</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="keywordflow">for</span> (<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html">Pool</a> &amp;pool: m_Pools)</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; pool.Release();</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;}</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a3661b84570333e6f38f9b8a1ed73b309"> 63</a></span>&#160;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a3661b84570333e6f38f9b8a1ed73b309">TosaRefMemoryManager::Pool::Pool</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numBytes)</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; : m_Size(numBytes),</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; m_Pointer(nullptr)</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; </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ad680831415106b724bd752599cfc42c3"> 68</a></span>&#160;<a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ad680831415106b724bd752599cfc42c3">TosaRefMemoryManager::Pool::~Pool</a>()</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="keywordflow">if</span> (m_Pointer)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager.html#a1a5dddc8911f6189f9ca01394c59faaf">Release</a>();</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;}</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"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a6a5db07a5f1fad654e844c52bf702384"> 76</a></span>&#160;<span class="keywordtype">void</span>* <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a6a5db07a5f1fad654e844c52bf702384">TosaRefMemoryManager::Pool::GetPointer</a>()</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;{</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <a class="code" href="_assert_8hpp.html#a91c4dfde57907d7698c7531785690a7f">ARMNN_ASSERT_MSG</a>(m_Pointer, <span class="stringliteral">&quot;TosaRefMemoryManager::Pool::GetPointer() called when memory not acquired&quot;</span>);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">return</span> m_Pointer;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;}</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ab1d2a47dbdaf1c25da4b2b9534cfd3e5"> 82</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ab1d2a47dbdaf1c25da4b2b9534cfd3e5">TosaRefMemoryManager::Pool::Reserve</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numBytes)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;{</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <a class="code" href="_assert_8hpp.html#a91c4dfde57907d7698c7531785690a7f">ARMNN_ASSERT_MSG</a>(!m_Pointer, <span class="stringliteral">&quot;TosaRefMemoryManager::Pool::Reserve() cannot be called after memory acquired&quot;</span>);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; m_Size = std::max(m_Size, numBytes);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ab91dc804181f48b0b445ac1299c36c05"> 88</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#ab91dc804181f48b0b445ac1299c36c05">TosaRefMemoryManager::Pool::Acquire</a>()</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;{</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <a class="code" href="_assert_8hpp.html#a91c4dfde57907d7698c7531785690a7f">ARMNN_ASSERT_MSG</a>(!m_Pointer, <span class="stringliteral">&quot;TosaRefMemoryManager::Pool::Acquire() called when memory already acquired&quot;</span>);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; m_Pointer = ::operator <span class="keyword">new</span>(size_t(m_Size));</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;}</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a94c93747c8daa99d65c2a04c6be0748c"> 94</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_tosa_ref_memory_manager_1_1_pool.html#a94c93747c8daa99d65c2a04c6be0748c">TosaRefMemoryManager::Pool::Release</a>()</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;{</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="_assert_8hpp.html#a91c4dfde57907d7698c7531785690a7f">ARMNN_ASSERT_MSG</a>(m_Pointer, <span class="stringliteral">&quot;TosaRefMemoryManager::Pool::Release() called when memory not acquired&quot;</span>);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; ::operator <span class="keyword">delete</span>(m_Pointer);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; m_Pointer = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;}</div>
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<div class="ttc" id="a_assert_8hpp_html_a5698be69cbd5dfe6c28fcd9867e8cbed"><div class="ttname"><a href="_assert_8hpp.html#a5698be69cbd5dfe6c28fcd9867e8cbed">ARMNN_ASSERT</a></div><div class="ttdeci">#define ARMNN_ASSERT(COND)</div><div class="ttdef"><b>Definition:</b> <a href="_assert_8hpp_source.html#l00014">Assert.hpp:14</a></div></div>
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