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<section id="embeddinglookup">
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<h1>EmbeddingLookup<a class="headerlink" href="#embeddinglookup" title="Link to this heading"></a></h1>
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<p>传入一个矩阵和一组索引，根据给定的索引提取对应的行（向量），若此行不曾被标记为“已正则化”，则对此行进行正则化处理，将结果拼接输出，若已经正则化过则直接输出。</p>
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<div class="math notranslate nohighlight">
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\[\begin{split}\forall k \in [1, ids\_size], \quad
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\begin{cases}
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\text{if } \textbf{is_regulated}[i_k] = 0, &
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\begin{cases}
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\displaystyle X_{i_k} \leftarrow
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X_{i_k} \cdot \frac{\text{max_norm}}
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{\sum_{j=1}^{layer\_size\_} X_{i_k, j}} \\[10pt]
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\textbf{is_regulated}[i_k] \leftarrow 1
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\end{cases} \\[12pt]
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\text{输出向量 } Y_k \leftarrow X_{i_k}
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\end{cases}\end{split}\]</div>
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<dl class="simple">
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<dt>输入：</dt><dd><ul class="simple">
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<li><p><strong>input_data</strong> - 输入矩阵数据地址。</p></li>
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<li><p><strong>ids</strong> - 输入索引的存储地址。</p></li>
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<li><p><strong>max_norm</strong> - 最大范数约束。</p></li>
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<li><p><strong>is_regulated</strong> - 记录矩阵行是否被正则化的标志数组。</p></li>
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<li><p><strong>ids_size_</strong> - 输入索引个数。</p></li>
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<li><p><strong>layer_size_</strong> - 输入矩阵的列数。</p></li>
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<li><p><strong>layer_num_</strong> - 输入矩阵的行数。</p></li>
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<li><p><strong>core_mask(int, 可选)</strong> - 核掩码（仅适用于共享存储版本）。</p></li>
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</ul>
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</dd>
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<dt>输出：</dt><dd><ul class="simple">
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<li><p><strong>output</strong> - 结果输出地址。</p></li>
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</ul>
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</dd>
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<dt>支持平台：</dt><dd><p><code class="docutils literal notranslate"><span class="pre">FT78NE</span></code>
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<code class="docutils literal notranslate"><span class="pre">MT7004</span></code></p>
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</dd>
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</dl>
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<div class="admonition note">
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<p class="admonition-title">备注</p>
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<ul class="simple">
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<li><p>FT78NE 支持fp32</p></li>
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<li><p>MT7004 支持fp16, fp32</p></li>
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</ul>
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</div>
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<p><strong>共享存储版本：</strong></p>
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<dl class="c function">
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<dt class="sig sig-object c" id="c.hp_embeddinglookup_s">
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<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_embeddinglookup_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_data</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">ids</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="n"><span class="pre">half</span></span><span class="w"> </span><span class="n"><span class="pre">max_norm_</span></span>, <span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">is_regulated</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">ids_size_</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">layer_size_</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">layer_num_</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_embeddinglookup_s" title="Link to this definition"></a><br /></dt>
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<dd></dd></dl>
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<dl class="c function">
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<dt class="sig sig-object c" id="c.fp_embeddinglookup_s">
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<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_embeddinglookup_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_data</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">ids</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">float</span></span><span class="w"> </span><span class="n"><span class="pre">max_norm_</span></span>, <span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">is_regulated</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">ids_size_</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">layer_size_</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">layer_num_</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_embeddinglookup_s" title="Link to this definition"></a><br /></dt>
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<dd><p><strong>C调用示例：</strong></p>
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<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="c1">//FT78NE示例</span>
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<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span>
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<span class="linenos"> 3</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><embeddinglookup.h></span>
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<span class="linenos"> 4</span>
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<span class="linenos"> 5</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>
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<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">input_data</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">0xA0000000</span><span class="p">;</span><span class="w"> </span><span class="c1">//input在DDR空间</span>
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<span class="linenos"> 7</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_data</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">0xA0872c00</span><span class="p">;</span>
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<span class="linenos"> 8</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">layer_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">;</span><span class="c1">//列</span>
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<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">layer_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">5</span><span class="p">;</span><span class="c1">//行</span>
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<span class="linenos">10</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">max_norm</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">4.5</span><span class="p">;</span>
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<span class="linenos">11</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">ids</span><span class="p">[]</span><span class="o">=</span><span class="p">{</span><span class="mi">0</span><span class="p">,</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">};</span>
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<span class="linenos">12</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">ids_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span><span class="c1">//提取三行</span>
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<span class="linenos">13</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="o">*</span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">bool</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xC0000000</span><span class="p">;</span>
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<span class="linenos">14</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">is_regulated_</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="mi">0</span><span class="p">};</span><span class="c1">//layer_num</span>
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<span class="linenos">15</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="mh">0xff</span><span class="p">;</span>
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<span class="hll"><span class="linenos">16</span><span class="w"> </span><span class="n">fp_embeddinglookup_s</span><span class="p">(</span><span class="n">input_data</span><span class="p">,</span><span class="w"> </span><span class="n">ids</span><span class="p">,</span><span class="w"> </span><span class="n">output_data</span><span class="p">,</span><span class="w"> </span><span class="n">max_norm</span><span class="p">,</span><span class="w"> </span><span class="n">is_regulated_</span><span class="p">,</span><span class="w"> </span><span class="n">ids_size</span><span class="p">,</span><span class="w"> </span><span class="n">layer_size</span><span class="p">,</span><span class="w"> </span><span class="n">layer_num</span><span class="p">,</span><span class="w"> </span><span class="n">core_mask</span><span class="p">);</span>
|
||
</span><span class="linenos">17</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">18</span><span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
</dd></dl>
|
||
|
||
<p><strong>私有存储版本：</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.hp_embeddinglookup_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_embeddinglookup_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">Input0</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">Input1</span></span>, <span class="kt"><span class="pre">bool</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">int</span></span><span class="w"> </span><span class="n"><span class="pre">length</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.hp_embeddinglookup_p" title="Link to this definition"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.fp_embeddinglookup_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_embeddinglookup_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">Input0</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">Input1</span></span>, <span class="kt"><span class="pre">bool</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">int</span></span><span class="w"> </span><span class="n"><span class="pre">length</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.fp_embeddinglookup_p" title="Link to this definition"></a><br /></dt>
|
||
<dd><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"><stdio.h></span>
|
||
<span class="linenos"> 3</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><embeddinglookup.h></span>
|
||
<span class="linenos"> 4</span>
|
||
<span class="linenos"> 5</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"> 6</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">input_data</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">0x10810000</span><span class="p">;</span><span class="w"> </span><span class="c1">//input在DDR空间</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_data</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">0x10820000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">layer_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">4</span><span class="p">;</span><span class="c1">//列</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">layer_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">5</span><span class="p">;</span><span class="c1">//行</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">max_norm</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">4.5</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">ids</span><span class="p">[]</span><span class="o">=</span><span class="p">{</span><span class="mi">0</span><span class="p">,</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">};</span>
|
||
<span class="linenos">12</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">ids_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">3</span><span class="p">;</span><span class="c1">//提取三行</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="o">*</span><span class="n">output</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">bool</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xC0000000</span><span class="p">;</span>
|
||
<span class="linenos">14</span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="n">is_regulated_</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="mi">0</span><span class="p">};</span><span class="c1">//layer_num</span>
|
||
<span class="hll"><span class="linenos">15</span><span class="w"> </span><span class="n">fp_embeddinglookup_s</span><span class="p">(</span><span class="n">input_data</span><span class="p">,</span><span class="w"> </span><span class="n">ids</span><span class="p">,</span><span class="w"> </span><span class="n">output_data</span><span class="p">,</span><span class="w"> </span><span class="n">max_norm</span><span class="p">,</span><span class="w"> </span><span class="n">is_regulated_</span><span class="p">,</span><span class="w"> </span><span class="n">ids_size</span><span class="p">,</span><span class="w"> </span><span class="n">layer_size</span><span class="p">,</span><span class="w"> </span><span class="n">layer_num</span><span class="p">);</span>
|
||
</span><span class="linenos">16</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">17</span><span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
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