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| <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef SINGA_CORE_MEMORY_H_</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define SINGA_CORE_MEMORY_H_</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <mutex></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <atomic></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "singa/proto/core.pb.h"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "singa/singa_config.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifdef USE_CUDA</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "cnmem.h"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</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> <span class="keyword">namespace </span><a class="code" href="namespacesinga.html">singa</a> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classsinga_1_1VirtualMemory.html"> 35</a></span> <span class="keyword">class </span><a class="code" href="classsinga_1_1VirtualMemory.html">VirtualMemory</a> {};</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classsinga_1_1DeviceMemPool.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classsinga_1_1DeviceMemPool.html">DeviceMemPool</a> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Malloc(<span class="keywordtype">void</span>** ptr, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size) = 0;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Free(<span class="keywordtype">void</span>* ptr) = 0;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classsinga_1_1DeviceMemPool.html#a24963bb78608bd2d69df9d247f26ced0"> 43</a></span>  <span class="keyword">virtual</span> std::pair<size_t, size_t> <a class="code" href="classsinga_1_1DeviceMemPool.html#a24963bb78608bd2d69df9d247f26ced0">GetMemUsage</a>() {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> std::make_pair(0u, 0u);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">virtual</span> ~<a class="code" href="classsinga_1_1DeviceMemPool.html">DeviceMemPool</a>(){};</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">size_t</span> usage_;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// size_t init_size_ = 0, max_size_ = 0;</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> };</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#ifdef USE_CUDA</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">class </span>CnMemPool : <span class="keyword">public</span> <a class="code" href="classsinga_1_1DeviceMemPool.html">DeviceMemPool</a> {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Create the mem pool by setting the devices [0, numDevices), and</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// initial pool size (MB), and max pool size (no effect currently).</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  CnMemPool(<span class="keywordtype">int</span> numDevices = 1, <span class="keywordtype">size_t</span> init_size = 256, <span class="keywordtype">size_t</span> max_size = 0);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  CnMemPool(<span class="keyword">const</span> MemPoolConf& conf);</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>  <span class="keywordtype">void</span> Malloc(<span class="keywordtype">void</span>** ptr, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> Free(<span class="keywordtype">void</span>* ptr);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::pair<size_t, size_t> GetMemUsage() <span class="keyword">override</span>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// release all memory and set cnmem manager to unintialized</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  ~CnMemPool();</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> Init();</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  MemPoolConf conf_;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// whether the (global) memory pool has been initialized</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">bool</span> initialized_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// lock on the initialized variable</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::mutex mtx_;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">static</span> std::atomic<int> pool_count;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> };</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">class </span>CudaMemPool : <span class="keyword">public</span> <a class="code" href="classsinga_1_1DeviceMemPool.html">DeviceMemPool</a> {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span> Malloc(<span class="keywordtype">void</span>** ptr, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size) <span class="keyword">override</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> Free(<span class="keywordtype">void</span>* ptr) <span class="keyword">override</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> } <span class="comment">// namespace singa</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#endif // SINGA_CORE_MEMORY_H_</span></div><div class="ttc" id="classsinga_1_1VirtualMemory_html"><div class="ttname"><a href="classsinga_1_1VirtualMemory.html">singa::VirtualMemory</a></div><div class="ttdoc">Manage device memory pool including garbage collection, memory opt. </div><div class="ttdef"><b>Definition:</b> memory.h:35</div></div> |
| <div class="ttc" id="classsinga_1_1DeviceMemPool_html_a24963bb78608bd2d69df9d247f26ced0"><div class="ttname"><a href="classsinga_1_1DeviceMemPool.html#a24963bb78608bd2d69df9d247f26ced0">singa::DeviceMemPool::GetMemUsage</a></div><div class="ttdeci">virtual std::pair< size_t, size_t > GetMemUsage()</div><div class="ttdoc">Return a pair for free and total memory managed by this pool. </div><div class="ttdef"><b>Definition:</b> memory.h:43</div></div> |
| <div class="ttc" id="namespacesinga_html"><div class="ttname"><a href="namespacesinga.html">singa</a></div><div class="ttdoc">Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements...</div><div class="ttdef"><b>Definition:</b> common.h:48</div></div> |
| <div class="ttc" id="classsinga_1_1DeviceMemPool_html"><div class="ttname"><a href="classsinga_1_1DeviceMemPool.html">singa::DeviceMemPool</a></div><div class="ttdef"><b>Definition:</b> memory.h:37</div></div> |
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