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<section id="avgpooling">
<h1>Avgpooling<a class="headerlink" href="#avgpooling" title="此标题的永久链接"></a></h1>
<p>对NHWC格式的输入张量执行2D平均池化并随后进行范围裁剪Clip激活。</p>
<p>该算子融合了两个步骤:</p>
<ol class="arabic simple">
<li><p><strong>平均池化 (Average Pooling)</strong>:</p></li>
</ol>
<div class="math notranslate nohighlight">
\[\text{Pool}_{i,j} = \frac{1}{k_h \times k_w} \sum_{m=0}^{k_h-1} \sum_{n=0}^{k_w-1} \text{Input}_{i \cdot s_h + m, j \cdot s_w + n}\]</div>
<ol class="arabic simple" start="2">
<li><p><strong>裁剪激活 (Clipping Activation)</strong>:</p></li>
</ol>
<div class="math notranslate nohighlight">
\[\text{Output} = \max(\min\_val, \min(\text{Pool}, \max\_val))\]</div>
<dl class="simple">
<dt>输入:</dt><dd><ul class="simple">
<li><p><strong>input</strong> - 输入张量的数据地址。格式: NHWC。</p></li>
<li><p><strong>params</strong> - 其他参数打包成数组。</p></li>
<li><p><strong>core_mask</strong> - 核掩码。</p></li>
</ul>
</dd>
<dt>输出:</dt><dd><ul class="simple">
<li><p><strong>output</strong> - 输出张量的数据地址。</p></li>
</ul>
</dd>
<dt>支持平台:</dt><dd><p><code class="docutils literal notranslate"><span class="pre">FT78NE</span></code>
<code class="docutils literal notranslate"><span class="pre">MT7004</span></code></p>
</dd>
</dl>
<div class="admonition note">
<p class="admonition-title">备注</p>
<ul class="simple">
<li><p>FT78NE 支持fp32, int8</p></li>
<li><p>MT7004 支持fp16, fp32</p></li>
</ul>
</div>
<p><strong>参数数组结构:</strong></p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span>long long params[16];
<span class="linenos"> 2</span>params[0] = (long long)in_w; 输入特征图的宽度。
<span class="linenos"> 3</span>params[1] = (long long)in_h; 输入特征图的高度。
<span class="linenos"> 4</span>params[2] = (long long)win_w; 池化核的宽度。
<span class="linenos"> 5</span>params[3] = (long long)win_h; 池化核的高度。
<span class="linenos"> 6</span>params[4] = (long long)output_w; 输出特征图的宽度。
<span class="linenos"> 7</span>params[5] = (long long)output_h; 输出特征图的高度。
<span class="linenos"> 8</span>params[6] = (long long)output_batch; 输出特征图的批大小。
<span class="linenos"> 9</span>params[7] = (long long)channel; 输出特征图的通道数。
<span class="linenos">10</span>params[8] = (long long)stride_w; 水平方向的步长。
<span class="linenos">11</span>params[9] = (long long)stride_h; 垂直方向的步长。
<span class="linenos">12</span>params[10] = (long long)pad_l; 左边距填充。
<span class="linenos">13</span>params[11] = (long long)pad_u; 上边距填充。
<span class="linenos">14</span>params[12] = (long long)&amp;minf; 裁剪范围的最小值地址。
<span class="linenos">15</span>params[13] = (long long)&amp;maxf; 裁剪范围的最大值地址。
</pre></div>
</div>
<p><strong>共享存储版本:</strong></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.i8_avgpool_fusion_s">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">i8_avgpool_fusion_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="n"><span class="pre">int8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.i8_avgpool_fusion_s" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.fp_avgpool_fusion_s">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">fp_avgpool_fusion_s</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.fp_avgpool_fusion_s" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.hp_avgpool_fusion_s">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">hp_avgpool_fusion_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">half</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="n"><span class="pre">half</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.hp_avgpool_fusion_s" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<p><strong>C调用示例</strong></p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="c1">//FT78NE示例</span>
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdio.h&gt;</span>
<span class="linenos"> 3</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;avgpooling.h&gt;</span>
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">argc</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">argv</span><span class="p">[])</span><span class="w"> </span><span class="p">{</span>
<span class="linenos"> 5</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">input_ptr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x81000000</span><span class="p">;</span>
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_ptr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x82000000</span><span class="p">;</span>
<span class="linenos"> 7</span>
<span class="linenos"> 8</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_batch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span><span class="w"> </span><span class="c1">//batch数</span>
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">channel</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">;</span>
<span class="linenos">10</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span>
<span class="linenos">11</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">in_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span>
<span class="linenos">12</span>
<span class="linenos">13</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">win_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">14</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">win_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">15</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">16</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">17</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">pad_l</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">18</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">pad_u</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">19</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">minf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">20</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">maxf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">50</span><span class="p">;</span>
<span class="linenos">21</span>
<span class="linenos">22</span><span class="w"> </span><span class="c1">//计算output_w和output_h</span>
<span class="linenos">23</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">dividor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">pad_l</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">win_w</span><span class="p">;</span>
<span class="linenos">24</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">dividor</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
<span class="hll"><span class="linenos">25</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">dividor2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">in_h</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">pad_u</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">win_h</span><span class="p">;</span>
</span><span class="hll"><span class="linenos">26</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">dividor2</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
</span><span class="hll"><span class="linenos">27</span>
</span><span class="hll"><span class="linenos">28</span><span class="w"> </span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">16</span><span class="p">];</span>
</span><span class="linenos">29</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">in_w</span><span class="p">;</span>
<span class="linenos">30</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">in_h</span><span class="p">;</span>
<span class="linenos">31</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">win_w</span><span class="p">;</span>
<span class="linenos">32</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">win_h</span><span class="p">;</span>
<span class="linenos">33</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">4</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_w</span><span class="p">;</span>
<span class="linenos">34</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">5</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_h</span><span class="p">;</span>
<span class="linenos">35</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">6</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_batch</span><span class="p">;</span>
<span class="linenos">36</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">7</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">channel</span><span class="p">;</span>
<span class="linenos">37</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">8</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">stride_w</span><span class="p">;</span>
<span class="linenos">38</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">9</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">stride_h</span><span class="p">;</span>
<span class="linenos">39</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">10</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">pad_l</span><span class="p">;</span>
<span class="linenos">40</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">11</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">pad_u</span><span class="p">;</span>
<span class="linenos">41</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">12</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="o">&amp;</span><span class="n">minf</span><span class="p">;</span><span class="w"> </span><span class="c1">//注意这里传指针不能直接强制转换成long long</span>
<span class="linenos">42</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">13</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="o">&amp;</span><span class="n">maxf</span><span class="p">;</span>
<span class="linenos">43</span>
<span class="linenos">44</span><span class="w"> </span><span class="n">srand</span><span class="p">(</span><span class="n">time</span><span class="p">(</span><span class="nb">NULL</span><span class="p">));</span>
<span class="linenos">45</span>
<span class="linenos">46</span><span class="w"> </span><span class="c1">//初始化output_ptr</span>
<span class="linenos">47</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">output_batch</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">channel</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">in_h</span><span class="p">;</span>
<span class="linenos">48</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">;</span>
<span class="linenos">49</span><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="n">input_size</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="linenos">50</span><span class="w"> </span><span class="n">input_ptr</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="p">)(</span><span class="n">rand</span><span class="p">()</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="mi">100</span><span class="p">);</span>
<span class="linenos">51</span><span class="w"> </span><span class="p">}</span>
<span class="linenos">52</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">core_mask</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mb">0b1111</span><span class="p">;</span>
<span class="linenos">53</span><span class="w"> </span><span class="n">fp_avg_pooling_s</span><span class="p">(</span><span class="n">input_ptr</span><span class="p">,</span><span class="w"> </span><span class="n">output_ptr</span><span class="p">,</span><span class="w"> </span><span class="n">params</span><span class="p">,</span><span class="w"> </span><span class="n">core_mask</span><span class="p">);</span>
<span class="linenos">54</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">55</span><span class="p">}</span>
</pre></div>
</div>
<p><strong>私有存储版本:</strong></p>
<dl class="c function">
<dt class="sig sig-object c" id="c.i8_avgpool_fusion_p">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">i8_avgpool_fusion_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="n"><span class="pre">int8_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.i8_avgpool_fusion_p" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.fp_avgpool_fusion_p">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">fp_avgpool_fusion_p</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.fp_avgpool_fusion_p" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<dl class="c function">
<dt class="sig sig-object c" id="c.hp_avgpool_fusion_p">
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">hp_avgpool_fusion_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">half</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="n"><span class="pre">half</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output</span></span>, <span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="kt"><span class="pre">long</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">params</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.hp_avgpool_fusion_p" title="永久链接至目标"></a><br /></dt>
<dd></dd></dl>
<p><strong>C调用示例</strong></p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="c1">//FT78NE示例</span>
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;stdio.h&gt;</span>
<span class="linenos"> 3</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;avgpooling.h&gt;</span>
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">argc</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="o">*</span><span class="w"> </span><span class="n">argv</span><span class="p">[])</span><span class="w"> </span><span class="p">{</span>
<span class="linenos"> 5</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">input_ptr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10010000</span><span class="p">;</span>
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_ptr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10020000</span><span class="p">;</span>
<span class="linenos"> 7</span>
<span class="linenos"> 8</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_batch</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span><span class="w"> </span><span class="c1">//batch数</span>
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">channel</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">;</span>
<span class="linenos">10</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span>
<span class="linenos">11</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">in_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">16</span><span class="p">;</span>
<span class="linenos">12</span>
<span class="linenos">13</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">win_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">14</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">win_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">15</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">16</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">2</span><span class="p">;</span>
<span class="linenos">17</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">pad_l</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">18</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">pad_u</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">19</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">minf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">20</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">maxf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">50</span><span class="p">;</span>
<span class="linenos">21</span>
<span class="linenos">22</span><span class="w"> </span><span class="c1">//计算output_w和output_h</span>
<span class="hll"><span class="linenos">23</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">dividor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">pad_l</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">win_w</span><span class="p">;</span>
</span><span class="hll"><span class="linenos">24</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">dividor</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="n">stride_w</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
</span><span class="hll"><span class="linenos">25</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">dividor2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">in_h</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">pad_u</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">win_h</span><span class="p">;</span>
</span><span class="hll"><span class="linenos">26</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">dividor2</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="n">stride_h</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
</span><span class="linenos">27</span>
<span class="linenos">28</span><span class="w"> </span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">16</span><span class="p">];</span>
<span class="linenos">29</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">in_w</span><span class="p">;</span>
<span class="linenos">30</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">in_h</span><span class="p">;</span>
<span class="linenos">31</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">win_w</span><span class="p">;</span>
<span class="linenos">32</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">win_h</span><span class="p">;</span>
<span class="linenos">33</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">4</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_w</span><span class="p">;</span>
<span class="linenos">34</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">5</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_h</span><span class="p">;</span>
<span class="linenos">35</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">6</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">output_batch</span><span class="p">;</span>
<span class="linenos">36</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">7</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">channel</span><span class="p">;</span>
<span class="linenos">37</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">8</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">stride_w</span><span class="p">;</span>
<span class="linenos">38</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">9</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">stride_h</span><span class="p">;</span>
<span class="linenos">39</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">10</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">pad_l</span><span class="p">;</span>
<span class="linenos">40</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">11</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="n">pad_u</span><span class="p">;</span>
<span class="linenos">41</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">12</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="o">&amp;</span><span class="n">minf</span><span class="p">;</span><span class="w"> </span><span class="c1">//注意这里传指针不能直接强制转换成long long</span>
<span class="linenos">42</span><span class="w"> </span><span class="n">params</span><span class="p">[</span><span class="mi">13</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">long</span><span class="w"> </span><span class="kt">long</span><span class="p">)</span><span class="o">&amp;</span><span class="n">maxf</span><span class="p">;</span>
<span class="linenos">43</span>
<span class="linenos">44</span><span class="w"> </span><span class="n">srand</span><span class="p">(</span><span class="n">time</span><span class="p">(</span><span class="nb">NULL</span><span class="p">));</span>
<span class="linenos">45</span>
<span class="linenos">46</span><span class="w"> </span><span class="c1">//初始化output_ptr</span>
<span class="linenos">47</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">output_batch</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">channel</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">in_w</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">in_h</span><span class="p">;</span>
<span class="linenos">48</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">;</span>
<span class="linenos">49</span><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="n">input_size</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="linenos">50</span><span class="w"> </span><span class="n">input_ptr</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="p">)(</span><span class="n">rand</span><span class="p">()</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="mi">100</span><span class="p">);</span>
<span class="linenos">51</span><span class="w"> </span><span class="p">}</span>
<span class="linenos">52</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">core_mask</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mb">0b1111</span><span class="p">;</span>
<span class="linenos">53</span><span class="w"> </span><span class="n">fp_avg_pooling_p</span><span class="p">(</span><span class="n">input_ptr</span><span class="p">,</span><span class="w"> </span><span class="n">output_ptr</span><span class="p">,</span><span class="w"> </span><span class="n">params</span><span class="p">);</span>
<span class="linenos">54</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
<span class="linenos">55</span><span class="p">}</span>
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