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<a href="../../_sources/functionlib/dsplib/gather.rst.txt" rel="nofollow"> 查看页面源码</a>
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<section id="gather">
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<h1>Gather<a class="headerlink" href="#gather" title="此标题的永久链接"></a></h1>
|
||
<p>沿着给定的轴 <code class="docutils literal notranslate"><span class="pre">axis</span></code>，根据 <code class="docutils literal notranslate"><span class="pre">indices</span></code> 张量提供的索引值，从 <code class="docutils literal notranslate"><span class="pre">input</span></code> 张量中收集数据。支持 <code class="docutils literal notranslate"><span class="pre">batch_dims</span></code> 指定的批处理维度，即在前 <code class="docutils literal notranslate"><span class="pre">batch_dims</span></code> 个维度上，索引和输入是对应的。</p>
|
||
<p>沿 <code class="docutils literal notranslate"><span class="pre">axis</span></code> 轴，用 <code class="docutils literal notranslate"><span class="pre">indices</span></code> 中的索引值从 <code class="docutils literal notranslate"><span class="pre">input</span></code> 中选取数据：</p>
|
||
<div class="math notranslate nohighlight">
|
||
\[\text{output}[\dots, j, \dots] = \text{input}[\dots, \text{indices}[\dots, j, \dots], \dots]\]</div>
|
||
<p>其中 <code class="docutils literal notranslate"><span class="pre">indices</span></code> 提供 <code class="docutils literal notranslate"><span class="pre">axis</span></code> 维度上的索引，其余维度与 <code class="docutils literal notranslate"><span class="pre">input</span></code> 保持一致。</p>
|
||
<dl class="simple">
|
||
<dt>输入：</dt><dd><ul class="simple">
|
||
<li><p><strong>input</strong> - 输入源张量数据地址。</p></li>
|
||
<li><p><strong>output</strong> - 输出数据地址。</p></li>
|
||
<li><p><strong>indices</strong> - 索引张量数据地址（int32 类型）。</p></li>
|
||
<li><dl class="simple">
|
||
<dt><strong>params</strong> - 参数打包成数组（6个元素），格式如下：</dt><dd><ul>
|
||
<li><p>params[0]: input_shape 地址（输入张量的形状数组）</p></li>
|
||
<li><p>params[1]: input_ndim（输入张量的维度数量）</p></li>
|
||
<li><p>params[2]: indices_shape 地址（索引张量的形状数组）</p></li>
|
||
<li><p>params[3]: indices_ndim（索引张量的维度数量）</p></li>
|
||
<li><p>params[4]: axis（沿着哪个轴进行聚集操作）</p></li>
|
||
<li><p>params[5]: batch_dims（批处理维度数量）</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</li>
|
||
<li><p><strong>core_mask(int, 可选)</strong> - 核掩码（仅适用于共享存储版本）。</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt>输出：</dt><dd><ul class="simple">
|
||
<li><p><strong>output</strong> - 聚集后的计算结果。</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 int8, int16, int32, fp32, fp64, cplx64, cplx128</p></li>
|
||
<li><p>MT7004 支持 fp16, fp32, int16, int32, cplx64</p></li>
|
||
<li><p>索引张量 <code class="docutils literal notranslate"><span class="pre">indices</span></code> 内部存储的索引值必须在 <code class="docutils literal notranslate"><span class="pre">[0,</span> <span class="pre">input_shape[axis])</span></code> 范围内，否则行为未定义。</p></li>
|
||
<li><p>聚集操作涉及非连续访存，在大规模数据下建议使用共享存储版本并行处理。</p></li>
|
||
</ul>
|
||
</div>
|
||
<p><strong>共享存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.i8_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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.i16_gather_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">i16_gather_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int16_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">int16_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.i16_gather_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.i32_gather_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">i32_gather_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int32_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">int32_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.i32_gather_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_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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.dp_gather_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">dp_gather_s</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">double</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">double</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">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.dp_gather_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.c64_gather_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">c64_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.c64_gather_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.c128_gather_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">c128_gather_s</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">double</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">double</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">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.c128_gather_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：多核并行聚集操作</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">"78NE/utils.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="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</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="linenos"> 7</span><span class="w"> </span><span class="kt">int32_t</span><span class="w"> </span><span class="o">*</span><span class="n">indices</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int32_t</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xB0000000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="kt">float</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">float</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"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_shape</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">16</span><span class="p">,</span><span class="w"> </span><span class="mi">800</span><span class="p">,</span><span class="w"> </span><span class="mi">80</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">indices_shape</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">16</span><span class="p">,</span><span class="w"> </span><span class="mi">400</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">input_ndim</span><span class="w"> </span><span class="o">=</span><span class="w"> </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">indices_ndim</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">13</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">axis</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</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">batch_dims</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</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">core_mask</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mh">0xFF</span><span class="p">;</span>
|
||
<span class="linenos">16</span>
|
||
<span class="linenos">17</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">6</span><span class="p">];</span>
|
||
<span class="linenos">18</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">input_shape</span><span class="p">;</span>
|
||
<span class="linenos">19</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">input_ndim</span><span class="p">;</span>
|
||
<span class="linenos">20</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">indices_shape</span><span class="p">;</span>
|
||
<span class="linenos">21</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">indices_ndim</span><span class="p">;</span>
|
||
<span class="linenos">22</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">axis</span><span class="p">;</span>
|
||
<span class="linenos">23</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">batch_dims</span><span class="p">;</span>
|
||
<span class="linenos">24</span>
|
||
<span class="hll"><span class="linenos">25</span><span class="w"> </span><span class="n">fp_gather_s</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">output</span><span class="p">,</span><span class="w"> </span><span class="n">indices</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><span class="linenos">26</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">27</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_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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.i16_gather_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">i16_gather_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int16_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">int16_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.i16_gather_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.i32_gather_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">i32_gather_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">int32_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">int32_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.i32_gather_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_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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_gather_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_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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_gather_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.dp_gather_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">dp_gather_p</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">double</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">double</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">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.dp_gather_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.c64_gather_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">c64_gather_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="n"><span class="pre">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.c64_gather_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.c128_gather_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">c128_gather_p</span></span></span><span class="sig-paren">(</span><span class="kt"><span class="pre">double</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">double</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">int32_t</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">indices</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.c128_gather_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：单核聚集操作</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">"78NE/utils.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="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</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">0x10000000</span><span class="p">;</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">int32_t</span><span class="w"> </span><span class="o">*</span><span class="n">indices</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int32_t</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"> 8</span><span class="w"> </span><span class="kt">float</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">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"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_shape</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">2</span><span class="p">,</span><span class="w"> </span><span class="mi">100</span><span class="p">,</span><span class="w"> </span><span class="mi">10</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">indices_shape</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mi">50</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">input_ndim</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">12</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">indices_ndim</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">axis</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1</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">batch_dims</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">15</span>
|
||
<span class="linenos">16</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">6</span><span class="p">];</span>
|
||
<span class="linenos">17</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">input_shape</span><span class="p">;</span>
|
||
<span class="linenos">18</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">input_ndim</span><span class="p">;</span>
|
||
<span class="linenos">19</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">indices_shape</span><span class="p">;</span>
|
||
<span class="linenos">20</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">indices_ndim</span><span class="p">;</span>
|
||
<span class="linenos">21</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">axis</span><span class="p">;</span>
|
||
<span class="linenos">22</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">batch_dims</span><span class="p">;</span>
|
||
<span class="linenos">23</span>
|
||
<span class="hll"><span class="linenos">24</span><span class="w"> </span><span class="n">fp_gather_p</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">output</span><span class="p">,</span><span class="w"> </span><span class="n">indices</span><span class="p">,</span><span class="w"> </span><span class="n">params</span><span class="p">);</span>
|
||
</span><span class="linenos">25</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">26</span><span class="p">}</span>
|
||
</pre></div>
|
||
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