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<li class="breadcrumb-item active">FusedBatchNorm</li>
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<a href="../../_sources/functionlib/dsplib/fusedbatchnorm.rst.txt" rel="nofollow"> 查看页面源码</a>
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<section id="fusedbatchnorm">
|
||
<h1>FusedBatchNorm<a class="headerlink" href="#fusedbatchnorm" title="此标题的永久链接"></a></h1>
|
||
<p>对输入张量执行融合批归一化（Fused Batch Normalization），在多核间拆分批量单元并行完成归一化与仿射变换。</p>
|
||
<blockquote>
|
||
<div><div class="math notranslate nohighlight">
|
||
\[\hat{x}_{b,c} = \frac{x_{b,c} - mean_c}{\sqrt{variance_c + \epsilon}}, \quad y_{b,c} = scale_c \cdot \hat{x}_{b,c} + offset_c\]</div>
|
||
<dl class="simple">
|
||
<dt>输入：</dt><dd><ul class="simple">
|
||
<li><p><strong>input</strong> - 输入张量首地址，形状为 <code class="docutils literal notranslate"><span class="pre">[unit,</span> <span class="pre">channel]</span></code>。</p></li>
|
||
<li><p><strong>scale</strong> - 缩放系数数组首地址，长度为 <code class="docutils literal notranslate"><span class="pre">channel</span></code>。</p></li>
|
||
<li><p><strong>offset</strong> - 平移系数数组首地址，长度为 <code class="docutils literal notranslate"><span class="pre">channel</span></code>。</p></li>
|
||
<li><p><strong>mean</strong> - 归一化均值数组首地址，长度为 <code class="docutils literal notranslate"><span class="pre">channel</span></code>。</p></li>
|
||
<li><p><strong>variance</strong> - 归一化方差数组首地址，长度为 <code class="docutils literal notranslate"><span class="pre">channel</span></code>。</p></li>
|
||
<li><p><strong>epsilon</strong> - 数值稳定项。</p></li>
|
||
<li><p><strong>channel</strong> - 通道数。</p></li>
|
||
<li><p><strong>unit</strong> - 归一化单元数量（批量大小 × 高 × 宽）。</p></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> - 写回融合批归一化计算结果的张量首地址。</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 数据类型。</p></li>
|
||
<li><p>MT7004 支持 fp16、fp32 数据类型。</p></li>
|
||
</ul>
|
||
</div>
|
||
</div></blockquote>
|
||
<p><strong>共享存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.hp_fusedbatchnorm_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_fusedbatchnorm_s</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </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="k"><span class="pre">const</span></span><span class="w"> </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">scale</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">offset</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">mean</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">variance</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">epsilon</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">channel</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">unit</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="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="sig-paren">)</span><a class="headerlink" href="#c.hp_fusedbatchnorm_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_fusedbatchnorm_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_fusedbatchnorm_s</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </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="k"><span class="pre">const</span></span><span class="w"> </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">scale</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">offset</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">mean</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">variance</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">epsilon</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">channel</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">unit</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="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="sig-paren">)</span><a class="headerlink" href="#c.fp_fusedbatchnorm_s" title="永久链接至目标"></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 多核示例</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="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="k">const</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="k">const</span><span class="w"> </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">// DDR 存储</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">scale</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">float</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"> 7</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">offset</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xB0001000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">mean</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xB0002000</span><span class="p">;</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">variance</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xB0003000</span><span class="p">;</span>
|
||
<span class="linenos">10</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">11</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">64</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">unit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">1024</span><span class="p">;</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">epsilon</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">1e-5f</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">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="hll"><span class="linenos">15</span><span class="w"> </span><span class="n">fp_fusedbatchnorm_s</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">scale</span><span class="p">,</span><span class="w"> </span><span class="n">offset</span><span class="p">,</span><span class="w"> </span><span class="n">mean</span><span class="p">,</span><span class="w"> </span><span class="n">variance</span><span class="p">,</span>
|
||
</span><span class="hll"><span class="linenos">16</span><span class="w"> </span><span class="n">epsilon</span><span class="p">,</span><span class="w"> </span><span class="n">channel</span><span class="p">,</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">core_mask</span><span class="p">,</span>
|
||
</span><span class="hll"><span class="linenos">17</span><span class="w"> </span><span class="n">output</span><span class="p">);</span>
|
||
</span><span class="linenos">18</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">19</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_fusedbatchnorm_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_fusedbatchnorm_p</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </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="k"><span class="pre">const</span></span><span class="w"> </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">scale</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">offset</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">mean</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">variance</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">epsilon</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">channel</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">unit</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="sig-paren">)</span><a class="headerlink" href="#c.hp_fusedbatchnorm_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_fusedbatchnorm_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_fusedbatchnorm_p</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </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="k"><span class="pre">const</span></span><span class="w"> </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">scale</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">offset</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">mean</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </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">variance</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">epsilon</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">channel</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">unit</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="sig-paren">)</span><a class="headerlink" href="#c.fp_fusedbatchnorm_p" title="永久链接至目标"></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">// MT7004 单核示例</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="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">half</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="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10000000</span><span class="p">;</span><span class="w"> </span><span class="c1">// L2 存储</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="n">scale</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10004000</span><span class="p">;</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="n">offset</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10008000</span><span class="p">;</span>
|
||
<span class="linenos"> 8</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="n">mean</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x1000C000</span><span class="p">;</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">half</span><span class="w"> </span><span class="o">*</span><span class="n">variance</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">half</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">10</span><span class="w"> </span><span class="n">half</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="n">half</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10014000</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">channel</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">32</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">unit</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">512</span><span class="p">;</span>
|
||
<span class="linenos">13</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">epsilon</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">1e-4f</span><span class="p">;</span>
|
||
<span class="hll"><span class="linenos">14</span><span class="w"> </span><span class="n">hp_fusedbatchnorm_p</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">scale</span><span class="p">,</span><span class="w"> </span><span class="n">offset</span><span class="p">,</span><span class="w"> </span><span class="n">mean</span><span class="p">,</span><span class="w"> </span><span class="n">variance</span><span class="p">,</span>
|
||
</span><span class="hll"><span class="linenos">15</span><span class="w"> </span><span class="n">epsilon</span><span class="p">,</span><span class="w"> </span><span class="n">channel</span><span class="p">,</span><span class="w"> </span><span class="n">unit</span><span class="p">,</span><span class="w"> </span><span class="n">output</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>
|
||
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|
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