utils.html



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  <div class="section" id="utils">
<h1>Utils<a class="headerlink" href="#utils" title="Permalink to this headline">¶</a></h1>
<div class="section" id="memory-handle">
<h2>Memory Handle<a class="headerlink" href="#memory-handle" title="Permalink to this headline">¶</a></h2>
<dl class="type">
<dt id="_CPPv26paddle">
<span id="paddle"></span><span class="target" id="paddlenamespacepaddle"></span><em class="property">namespace </em><code class="descname">paddle</code><a class="headerlink" href="#_CPPv26paddle" title="Permalink to this definition">¶</a></dt>
<dd><div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Typedefs</p>
<dl class="type">
<dt id="_CPPv2N6paddle15MemoryHandlePtrE">
<span id="paddle::MemoryHandlePtr"></span><span class="target" id="paddlenamespacepaddle_1a2be1604972e91a1fdaf2f04e5fb94436"></span><em class="property">typedef </em>std::shared_ptr&lt;<a class="reference internal" href="#_CPPv2N6paddle12MemoryHandleE" title="paddle::MemoryHandle">MemoryHandle</a>&gt; <code class="descname">MemoryHandlePtr</code><a class="headerlink" href="#_CPPv2N6paddle15MemoryHandlePtrE" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="type">
<dt id="_CPPv2N6paddle15CpuMemHandlePtrE">
<span id="paddle::CpuMemHandlePtr"></span><span class="target" id="paddlenamespacepaddle_1ae3ee984d70b1df26416c34aac390dcc1"></span><em class="property">typedef </em>std::shared_ptr&lt;<a class="reference internal" href="#_CPPv2N6paddle15CpuMemoryHandleE" title="paddle::CpuMemoryHandle">CpuMemoryHandle</a>&gt; <code class="descname">CpuMemHandlePtr</code><a class="headerlink" href="#_CPPv2N6paddle15CpuMemHandlePtrE" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="type">
<dt id="_CPPv2N6paddle15GpuMemHandlePtrE">
<span id="paddle::GpuMemHandlePtr"></span><span class="target" id="paddlenamespacepaddle_1a92c2239d49c7e1f7d196d89c3d025343"></span><em class="property">typedef </em>std::shared_ptr&lt;<a class="reference internal" href="#_CPPv2N6paddle15GpuMemoryHandleE" title="paddle::GpuMemoryHandle">GpuMemoryHandle</a>&gt; <code class="descname">GpuMemHandlePtr</code><a class="headerlink" href="#_CPPv2N6paddle15GpuMemHandlePtrE" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<dl class="class">
<dt id="_CPPv2N6paddle12MemoryHandleE">
<span id="paddle::MemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle"></span><em class="property">class </em><code class="descname">MemoryHandle</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandleE" title="Permalink to this definition">¶</a></dt>
<dd><p>Subclassed by <a class="reference internal" href="#paddleclasspaddle_1_1CpuMemoryHandle"><span class="std std-ref">paddle::CpuMemoryHandle</span></a>, <a class="reference internal" href="#paddleclasspaddle_1_1GpuMemoryHandle"><span class="std std-ref">paddle::GpuMemoryHandle</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2NK6paddle12MemoryHandle6getBufEv">
<span id="paddle::MemoryHandle::getBufC"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1ab8806aee54e3522eedbe021c894709d6"></span>void *<code class="descname">getBuf</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em><a class="headerlink" href="#_CPPv2NK6paddle12MemoryHandle6getBufEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2NK6paddle12MemoryHandle7getSizeEv">
<span id="paddle::MemoryHandle::getSizeC"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1a9c401e939bb0aa1fd70295b971e3220f"></span>size_t <code class="descname">getSize</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em><a class="headerlink" href="#_CPPv2NK6paddle12MemoryHandle7getSizeEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2NK6paddle12MemoryHandle12getAllocSizeEv">
<span id="paddle::MemoryHandle::getAllocSizeC"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1af289975a2343afc7cec2a1b327fa7f09"></span>size_t <code class="descname">getAllocSize</code><span class="sig-paren">(</span><span class="sig-paren">)</span> <em class="property">const</em><a class="headerlink" href="#_CPPv2NK6paddle12MemoryHandle12getAllocSizeEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Protected Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle12MemoryHandle12MemoryHandleE6size_t">
<span id="paddle::MemoryHandle::MemoryHandle__s"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1aa735bb5a18d54cc5f8fb4a67b64cbe0c"></span><code class="descname">MemoryHandle</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle12MemoryHandleE6size_t" title="Permalink to this definition">¶</a></dt>
<dd><p>Calculate the actual allocation size according to the required size. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12MemoryHandleD0Ev">
<span id="paddle::MemoryHandle::~MemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1a57d0710faf6fa4eaf7d4421dc5916f2c"></span><em class="property">virtual</em> <code class="descname">~MemoryHandle</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandleD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle12MemoryHandle10allocator_E">
<span id="paddle::MemoryHandle::allocator___PoolAllocatorP"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1ae1cdf0ed5a2f02a563ff2369007dc814"></span><a class="reference internal" href="#_CPPv2N6paddle13PoolAllocatorE" title="paddle::PoolAllocator">PoolAllocator</a> *<code class="descname">allocator_</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle10allocator_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle12MemoryHandle5size_E">
<span id="paddle::MemoryHandle::size___s"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1ae0a782acdc49b0a6427ad60600244f89"></span>size_t <code class="descname">size_</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle5size_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle12MemoryHandle10allocSize_E">
<span id="paddle::MemoryHandle::allocSize___s"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1aa11c462c9ce75cb30c62f3745b8244e4"></span>size_t <code class="descname">allocSize_</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle10allocSize_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle12MemoryHandle9deviceId_E">
<span id="paddle::MemoryHandle::deviceId___i"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1a5c5ddd77233c1d30da596db97f2fc5c3"></span>int <code class="descname">deviceId_</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle9deviceId_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle12MemoryHandle4buf_E">
<span id="paddle::MemoryHandle::buf___voidP"></span><span class="target" id="paddleclasspaddle_1_1MemoryHandle_1ad72f2c16f8c63d02377adfcd7135d8ba"></span>void *<code class="descname">buf_</code><a class="headerlink" href="#_CPPv2N6paddle12MemoryHandle4buf_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

<dl class="class">
<dt id="_CPPv2N6paddle15GpuMemoryHandleE">
<span id="paddle::GpuMemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1GpuMemoryHandle"></span><em class="property">class </em><code class="descname">GpuMemoryHandle</code><a class="headerlink" href="#_CPPv2N6paddle15GpuMemoryHandleE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;MemoryHandle.h&gt;</em><p>Wrapper class for raw gpu memory handle.</p>
<p>The raw handle will be released at destructor </p>
<p>Inherits from <a class="reference internal" href="#paddleclasspaddle_1_1MemoryHandle"><span class="std std-ref">paddle::MemoryHandle</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle15GpuMemoryHandle15GpuMemoryHandleE6size_t">
<span id="paddle::GpuMemoryHandle::GpuMemoryHandle__s"></span><span class="target" id="paddleclasspaddle_1_1GpuMemoryHandle_1ac2c01aa7ccad4d310d10909b40430267"></span><code class="descname">GpuMemoryHandle</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15GpuMemoryHandle15GpuMemoryHandleE6size_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle15GpuMemoryHandleD0Ev">
<span id="paddle::GpuMemoryHandle::~GpuMemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1GpuMemoryHandle_1a9413da30f569e6e5afb2fff0784df638"></span><code class="descname">~GpuMemoryHandle</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15GpuMemoryHandleD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

<dl class="class">
<dt id="_CPPv2N6paddle15CpuMemoryHandleE">
<span id="paddle::CpuMemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1CpuMemoryHandle"></span><em class="property">class </em><code class="descname">CpuMemoryHandle</code><a class="headerlink" href="#_CPPv2N6paddle15CpuMemoryHandleE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;MemoryHandle.h&gt;</em><p>Wrapper class for raw cpu memory handle.</p>
<p>The raw handle will be released at destructor </p>
<p>Inherits from <a class="reference internal" href="#paddleclasspaddle_1_1MemoryHandle"><span class="std std-ref">paddle::MemoryHandle</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle15CpuMemoryHandle15CpuMemoryHandleE6size_t">
<span id="paddle::CpuMemoryHandle::CpuMemoryHandle__s"></span><span class="target" id="paddleclasspaddle_1_1CpuMemoryHandle_1a05efa9ed2ddb84a48478419305b310ad"></span><code class="descname">CpuMemoryHandle</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15CpuMemoryHandle15CpuMemoryHandleE6size_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle15CpuMemoryHandleD0Ev">
<span id="paddle::CpuMemoryHandle::~CpuMemoryHandle"></span><span class="target" id="paddleclasspaddle_1_1CpuMemoryHandle_1a57034e434df5b23cc0743eb462254b1d"></span><code class="descname">~CpuMemoryHandle</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle15CpuMemoryHandleD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</dd></dl>

<dl class="type">
<dt id="_CPPv26paddle">
<span class="target" id="paddlenamespacepaddle"></span><em class="property">namespace </em><code class="descname">paddle</code><a class="headerlink" href="#_CPPv26paddle" title="Permalink to this definition">¶</a></dt>
<dd><dl class="class">
<dt id="_CPPv2N6paddle9AllocatorE">
<span id="paddle::Allocator"></span><span class="target" id="paddleclasspaddle_1_1Allocator"></span><em class="property">class </em><code class="descname">Allocator</code><a class="headerlink" href="#_CPPv2N6paddle9AllocatorE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;Allocator.h&gt;</em><p><a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">Allocator</span></a> base class. </p>
<p>This is the base class of all <a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">Allocator</span></a> class. </p>
<p>Subclassed by <a class="reference internal" href="#paddleclasspaddle_1_1CpuAllocator"><span class="std std-ref">paddle::CpuAllocator</span></a>, <a class="reference internal" href="#paddleclasspaddle_1_1CudaHostAllocator"><span class="std std-ref">paddle::CudaHostAllocator</span></a>, <a class="reference internal" href="#paddleclasspaddle_1_1GpuAllocator"><span class="std std-ref">paddle::GpuAllocator</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle9AllocatorD0Ev">
<span id="paddle::Allocator::~Allocator"></span><span class="target" id="paddleclasspaddle_1_1Allocator_1a4aaba4802984a89724b2c7608d81ce07"></span><em class="property">virtual</em> <code class="descname">~Allocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle9AllocatorD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Allocator5allocE6size_t">
<span id="paddle::Allocator::alloc__s"></span><span class="target" id="paddleclasspaddle_1_1Allocator_1a3d629e984f3d3ae45c4b0a40926307fa"></span><em class="property">virtual</em> void *<code class="descname">alloc</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span> = 0<a class="headerlink" href="#_CPPv2N6paddle9Allocator5allocE6size_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Allocator4freeEPv">
<span id="paddle::Allocator::free__voidP"></span><span class="target" id="paddleclasspaddle_1_1Allocator_1ad0fce009e9858054511b88b435f12e22"></span><em class="property">virtual</em> void <code class="descname">free</code><span class="sig-paren">(</span>void *<em>ptr</em><span class="sig-paren">)</span> = 0<a class="headerlink" href="#_CPPv2N6paddle9Allocator4freeEPv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle9Allocator7getNameEv">
<span id="paddle::Allocator::getName"></span><span class="target" id="paddleclasspaddle_1_1Allocator_1a605e45e67427e609b3618de6c62cbb24"></span><em class="property">virtual</em> std::string <code class="descname">getName</code><span class="sig-paren">(</span><span class="sig-paren">)</span> = 0<a class="headerlink" href="#_CPPv2N6paddle9Allocator7getNameEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

<dl class="class">
<dt id="_CPPv2N6paddle12CpuAllocatorE">
<span id="paddle::CpuAllocator"></span><span class="target" id="paddleclasspaddle_1_1CpuAllocator"></span><em class="property">class </em><code class="descname">CpuAllocator</code><a class="headerlink" href="#_CPPv2N6paddle12CpuAllocatorE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;Allocator.h&gt;</em><p>CPU allocator implementation. </p>
<p>Inherits from <a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">paddle::Allocator</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle12CpuAllocatorD0Ev">
<span id="paddle::CpuAllocator::~CpuAllocator"></span><span class="target" id="paddleclasspaddle_1_1CpuAllocator_1ac0fe9dfd06f716a948be9fc578434322"></span><code class="descname">~CpuAllocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12CpuAllocatorD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12CpuAllocator5allocE6size_t">
<span id="paddle::CpuAllocator::alloc__s"></span><span class="target" id="paddleclasspaddle_1_1CpuAllocator_1a1f1b1de75a31c4494b9b68c3ca93be8f"></span><em class="property">virtual</em> void *<code class="descname">alloc</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12CpuAllocator5allocE6size_t" title="Permalink to this definition">¶</a></dt>
<dd><p>Aligned allocation on CPU. </p>
<p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>Pointer to the allocated memory </dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">size</span></code>: Size to be allocated. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12CpuAllocator4freeEPv">
<span id="paddle::CpuAllocator::free__voidP"></span><span class="target" id="paddleclasspaddle_1_1CpuAllocator_1ad7c9b5a25154571112ba25e4fc407ab1"></span><em class="property">virtual</em> void <code class="descname">free</code><span class="sig-paren">(</span>void *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12CpuAllocator4freeEPv" title="Permalink to this definition">¶</a></dt>
<dd><p>Free the memory space. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">ptr</span></code>: Pointer to be free. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12CpuAllocator7getNameEv">
<span id="paddle::CpuAllocator::getName"></span><span class="target" id="paddleclasspaddle_1_1CpuAllocator_1aa81ef5b807254789542be293ff14bc49"></span><em class="property">virtual</em> std::string <code class="descname">getName</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12CpuAllocator7getNameEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

<dl class="class">
<dt id="_CPPv2N6paddle12GpuAllocatorE">
<span id="paddle::GpuAllocator"></span><span class="target" id="paddleclasspaddle_1_1GpuAllocator"></span><em class="property">class </em><code class="descname">GpuAllocator</code><a class="headerlink" href="#_CPPv2N6paddle12GpuAllocatorE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;Allocator.h&gt;</em><p>GPU allocator implementation. </p>
<p>Inherits from <a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">paddle::Allocator</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle12GpuAllocatorD0Ev">
<span id="paddle::GpuAllocator::~GpuAllocator"></span><span class="target" id="paddleclasspaddle_1_1GpuAllocator_1a1706b2d7552bc3319ce90a842dedabef"></span><code class="descname">~GpuAllocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12GpuAllocatorD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12GpuAllocator5allocE6size_t">
<span id="paddle::GpuAllocator::alloc__s"></span><span class="target" id="paddleclasspaddle_1_1GpuAllocator_1aca724a0e49ed70e5531fd935ddbfa486"></span><em class="property">virtual</em> void *<code class="descname">alloc</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12GpuAllocator5allocE6size_t" title="Permalink to this definition">¶</a></dt>
<dd><p>Allocate GPU memory. </p>
<p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>Pointer to the allocated memory </dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">size</span></code>: Size to be allocated. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12GpuAllocator4freeEPv">
<span id="paddle::GpuAllocator::free__voidP"></span><span class="target" id="paddleclasspaddle_1_1GpuAllocator_1a41a43ae55cf49e37949557d58af4da76"></span><em class="property">virtual</em> void <code class="descname">free</code><span class="sig-paren">(</span>void *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12GpuAllocator4freeEPv" title="Permalink to this definition">¶</a></dt>
<dd><p>Free the GPU memory. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">ptr</span></code>: Pointer to be free. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle12GpuAllocator7getNameEv">
<span id="paddle::GpuAllocator::getName"></span><span class="target" id="paddleclasspaddle_1_1GpuAllocator_1a7e15686137ae0722f9f1c2d9a52fa097"></span><em class="property">virtual</em> std::string <code class="descname">getName</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle12GpuAllocator7getNameEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

<dl class="class">
<dt id="_CPPv2N6paddle17CudaHostAllocatorE">
<span id="paddle::CudaHostAllocator"></span><span class="target" id="paddleclasspaddle_1_1CudaHostAllocator"></span><em class="property">class </em><code class="descname">CudaHostAllocator</code><a class="headerlink" href="#_CPPv2N6paddle17CudaHostAllocatorE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;Allocator.h&gt;</em><p>CPU pinned memory allocator implementation. </p>
<p>Inherits from <a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">paddle::Allocator</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle17CudaHostAllocatorD0Ev">
<span id="paddle::CudaHostAllocator::~CudaHostAllocator"></span><span class="target" id="paddleclasspaddle_1_1CudaHostAllocator_1a3d01e8f416075196f6e8f90f17119512"></span><code class="descname">~CudaHostAllocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle17CudaHostAllocatorD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle17CudaHostAllocator5allocE6size_t">
<span id="paddle::CudaHostAllocator::alloc__s"></span><span class="target" id="paddleclasspaddle_1_1CudaHostAllocator_1aaa6d38d7ded5d6f56dce372e7f2e1b3a"></span><em class="property">virtual</em> void *<code class="descname">alloc</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle17CudaHostAllocator5allocE6size_t" title="Permalink to this definition">¶</a></dt>
<dd><p>Allocate pinned memory. </p>
<p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>Pointer to the allocated memory </dd>
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">size</span></code>: Size to be allocated. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle17CudaHostAllocator4freeEPv">
<span id="paddle::CudaHostAllocator::free__voidP"></span><span class="target" id="paddleclasspaddle_1_1CudaHostAllocator_1a205169ec923beeffc2336fb49b7baff8"></span><em class="property">virtual</em> void <code class="descname">free</code><span class="sig-paren">(</span>void *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle17CudaHostAllocator4freeEPv" title="Permalink to this definition">¶</a></dt>
<dd><p>Free the pinned memory. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">ptr</span></code>: Pointer to be free. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle17CudaHostAllocator7getNameEv">
<span id="paddle::CudaHostAllocator::getName"></span><span class="target" id="paddleclasspaddle_1_1CudaHostAllocator_1ad76d0910bc49235cc2047566c8bc53a2"></span><em class="property">virtual</em> std::string <code class="descname">getName</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle17CudaHostAllocator7getNameEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</dd></dl>

<dl class="type">
<dt>
<span class="target" id="paddlenamespacepaddle"></span><em class="property">namespace </em><code class="descname">paddle</code></dt>
<dd><dl class="class">
<dt id="_CPPv2N6paddle13PoolAllocatorE">
<span id="paddle::PoolAllocator"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator"></span><em class="property">class </em><code class="descname">PoolAllocator</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocatorE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;PoolAllocator.h&gt;</em><p>Memory pool allocator implementation. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator13PoolAllocatorEP9Allocator6size_tRKNSt6stringE">
<span id="paddle::PoolAllocator::PoolAllocator__AllocatorP.s.ssCR"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a824fd67715c2d98eb290cd26e272cff3"></span><code class="descname">PoolAllocator</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv2N6paddle9AllocatorE" title="paddle::Allocator">Allocator</a> *<em>allocator</em>, size_t <em>sizeLimit</em> = 0, <em class="property">const</em> std::string &amp;<em>name</em> = &quot;pool&quot;<span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator13PoolAllocatorEP9Allocator6size_tRKNSt6stringE" title="Permalink to this definition">¶</a></dt>
<dd><p>constructor. </p>
<p><dl class="docutils">
<dt><strong>Parameters</strong></dt>
<dd><ul class="breatheparameterlist first last simple">
<li><code class="docutils literal"><span class="pre">allocator</span></code>: a <a class="reference internal" href="#paddleclasspaddle_1_1Allocator"><span class="std std-ref">Allocator</span></a> object. </li>
<li><code class="docutils literal"><span class="pre">sizeLimit</span></code>: The maximum size memory can be managed, if sizeLimit == 0, the pool allocator is a simple wrapper of allocator. </li>
</ul>
</dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocatorD0Ev">
<span id="paddle::PoolAllocator::~PoolAllocator"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a1468dd3879335268f93047fa0c6d6032"></span><code class="descname">~PoolAllocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocatorD0Ev" title="Permalink to this definition">¶</a></dt>
<dd><p>destructor. </p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator5allocE6size_t">
<span id="paddle::PoolAllocator::alloc__s"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a47b2a9a5798aaade0e9cf1d1605bfb83"></span>void *<code class="descname">alloc</code><span class="sig-paren">(</span>size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator5allocE6size_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator4freeEPv6size_t">
<span id="paddle::PoolAllocator::free__voidP.s"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a4eba0fe6d632094ce0d053dd0fef58a3"></span>void <code class="descname">free</code><span class="sig-paren">(</span>void *<em>ptr</em>, size_t <em>size</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator4freeEPv6size_t" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator7getNameEv">
<span id="paddle::PoolAllocator::getName"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a08315a5c69835312300dfba03c668886"></span>std::string <code class="descname">getName</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator7getNameEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Private Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator7freeAllEv">
<span id="paddle::PoolAllocator::freeAll"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a3b1bd028174360ad5137761fd57b0f5f"></span>void <code class="descname">freeAll</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator7freeAllEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13PoolAllocator8printAllEv">
<span id="paddle::PoolAllocator::printAll"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a7ff7313f80ba8ea9cd4c3f882ff46523"></span>void <code class="descname">printAll</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator8printAllEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Private Members</p>
<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator10allocator_E">
<span id="paddle::PoolAllocator::allocator___std::unique_ptr:Allocator:"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1ab9a4336bea26b72526b984f454fb1a8b"></span>std::unique_ptr&lt;<a class="reference internal" href="#_CPPv2N6paddle9AllocatorE" title="paddle::Allocator">Allocator</a>&gt; <code class="descname">allocator_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator10allocator_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator6mutex_E">
<span id="paddle::PoolAllocator::mutex___std::mutex"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1aa166a9e4750d8e2ba1c27f3b46fa7030"></span>std::mutex <code class="descname">mutex_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator6mutex_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator5pool_E">
<span id="paddle::PoolAllocator::pool___std::unordered_map:s.std::vector:voidP::"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a1d2a2e5b0c40033253f787317390bace"></span>std::unordered_map&lt;size_t, std::vector&lt;void *&gt;&gt; <code class="descname">pool_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator5pool_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator10sizeLimit_E">
<span id="paddle::PoolAllocator::sizeLimit___s"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1ae53bc683b267b5719bb3a682e98f3810"></span>size_t <code class="descname">sizeLimit_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator10sizeLimit_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator15poolMemorySize_E">
<span id="paddle::PoolAllocator::poolMemorySize___s"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a46c2a56a1c872e8baf652d228614bef9"></span>size_t <code class="descname">poolMemorySize_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator15poolMemorySize_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13PoolAllocator5name_E">
<span id="paddle::PoolAllocator::name___ss"></span><span class="target" id="paddleclasspaddle_1_1PoolAllocator_1a832e2fd8efcc3e936ac5c4b75ed1ccee"></span>std::string <code class="descname">name_</code><a class="headerlink" href="#_CPPv2N6paddle13PoolAllocator5name_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</dd></dl>

<dl class="type">
<dt>
<span class="target" id="paddlenamespacepaddle"></span><em class="property">namespace </em><code class="descname">paddle</code></dt>
<dd><dl class="class">
<dt id="_CPPv2N6paddle13StorageEngineE">
<span id="paddle::StorageEngine"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine"></span><em class="property">class </em><code class="descname">StorageEngine</code><a class="headerlink" href="#_CPPv2N6paddle13StorageEngineE" title="Permalink to this definition">¶</a></dt>
<dd><em>#include &lt;Storage.h&gt;</em><p>Storage manager for multiple devices. </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13StorageEngine15getGpuAllocatorEi">
<span id="paddle::StorageEngine::getGpuAllocator__i"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1acee342d1631861a96f593e14bfe5c3a9"></span><a class="reference internal" href="#_CPPv2N6paddle13PoolAllocatorE" title="paddle::PoolAllocator">PoolAllocator</a> *<code class="descname">getGpuAllocator</code><span class="sig-paren">(</span>int <em>deviceId</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine15getGpuAllocatorEi" title="Permalink to this definition">¶</a></dt>
<dd><p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>return one gpu allocator by deviceId </dd>
</dl>
</p>
</dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13StorageEngine15getCpuAllocatorEv">
<span id="paddle::StorageEngine::getCpuAllocator"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1a5b653ddb179f90ab7cd562e3c57c994b"></span><a class="reference internal" href="#_CPPv2N6paddle13PoolAllocatorE" title="paddle::PoolAllocator">PoolAllocator</a> *<code class="descname">getCpuAllocator</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine15getCpuAllocatorEv" title="Permalink to this definition">¶</a></dt>
<dd><p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>return cpu allocator </dd>
</dl>
</p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Public Static Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13StorageEngine9singletonEv">
<span id="paddle::StorageEngine::singleton"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1aac847864c8bd761bf9b23f8b9d8d83de"></span><a class="reference internal" href="#_CPPv2N6paddle13StorageEngineE" title="paddle::StorageEngine">StorageEngine</a> *<code class="descname">singleton</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine9singletonEv" title="Permalink to this definition">¶</a></dt>
<dd><p><dl class="docutils">
<dt><strong>Return</strong></dt>
<dd>Storage singleton </dd>
</dl>
</p>
</dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Protected Functions</p>
<dl class="function">
<dt id="_CPPv2N6paddle13StorageEngine13StorageEngineEv">
<span id="paddle::StorageEngine::StorageEngine"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1abfe7c0edd37b8f6e09821e2fac98c385"></span><code class="descname">StorageEngine</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine13StorageEngineEv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="_CPPv2N6paddle13StorageEngineD0Ev">
<span id="paddle::StorageEngine::~StorageEngine"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1af95635b213ddd377b068a9503f6b2ac7"></span><code class="descname">~StorageEngine</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv2N6paddle13StorageEngineD0Ev" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric">Protected Attributes</p>
<dl class="member">
<dt id="_CPPv2N6paddle13StorageEngine5lock_E">
<span id="paddle::StorageEngine::lock___RWLock"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1a0826567bd46a07ac53926afb38a7f13a"></span><a class="reference internal" href="../../utils/thread.html#_CPPv2N6paddle6RWLockE" title="paddle::RWLock">RWLock</a> <code class="descname">lock_</code><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine5lock_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13StorageEngine13gpuAllocator_E">
<span id="paddle::StorageEngine::gpuAllocator___std::vector:PoolAllocatorP:"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1a6e0e056dec7364b202514fef1cea6082"></span>std::vector&lt;<a class="reference internal" href="#_CPPv2N6paddle13PoolAllocatorE" title="paddle::PoolAllocator">PoolAllocator</a> *&gt; <code class="descname">gpuAllocator_</code><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine13gpuAllocator_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="member">
<dt id="_CPPv2N6paddle13StorageEngine13cpuAllocator_E">
<span id="paddle::StorageEngine::cpuAllocator___PoolAllocatorP"></span><span class="target" id="paddleclasspaddle_1_1StorageEngine_1abc412e20bd47e78baf3ffc7c209a9ff1"></span><a class="reference internal" href="#_CPPv2N6paddle13PoolAllocatorE" title="paddle::PoolAllocator">PoolAllocator</a> *<code class="descname">cpuAllocator_</code><a class="headerlink" href="#_CPPv2N6paddle13StorageEngine13cpuAllocator_E" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</div>
</dd></dl>

</dd></dl>

</div>
</div>


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