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      <h1 class="mume-header" id="%E5%B8%A6%E6%9C%89gpu%E5%8A%A0%E9%80%9F%E7%9A%84%E5%A3%B0%E5%9C%BAfdtd%E6%96%B9%E6%B3%95">&#x5E26;&#x6709;GPU&#x52A0;&#x901F;&#x7684;&#x58F0;&#x573A;FDTD&#x65B9;&#x6CD5;</h1>

<p>&#x4E00;&#x4E2A;&#x5229;&#x7528;cuda&#x52A0;&#x901F;python&#x7A0B;&#x5E8F;&#x5229;&#x7528;fdtd&#x7B97;&#x6CD5;&#x8FDB;&#x884C;&#x58F0;&#x573A;&#x6A21;&#x62DF;&#x7684;&#x7A0B;&#x5E8F;&#x3002;&#x8BA1;&#x7B97;&#x7ED3;&#x679C;&#x7528;numpy&#x6570;&#x7EC4;&#x683C;&#x5F0F;&#x4FDD;&#x5B58;&#x3002;</p>
<p>&#x57FA;&#x4E8E;python3&#x548C;cuda&#xFF0C;&#x4EC5;&#x53EF;&#x5728;&#x88C5;&#x5907;&#x6709;NVIDIA&#x663E;&#x5361;&#x7684;&#x8BA1;&#x7B97;&#x673A;&#x4E0A;&#x4F7F;&#x7528;&#x3002;</p>
<h2 class="mume-header" id="%E6%96%87%E4%BB%B6%E7%BB%93%E6%9E%84">&#x6587;&#x4EF6;&#x7ED3;&#x6784;</h2>

<pre data-role="codeBlock" data-info="shell" class="language-shell"><span class="token punctuation">..</span>/cuf
&#x251C;&#x2500;&#x2500; cufig.ini &#x4E3B;&#x914D;&#x7F6E;&#x6587;&#x4EF6;
&#x251C;&#x2500;&#x2500; cuf.py &#x4E3B;&#x7A0B;&#x5E8F;
&#x251C;&#x2500;&#x2500; initdog.py &#x521D;&#x59CB;&#x6587;&#x4EF6;&#x751F;&#x6210;&#x811A;&#x672C;
&#x251C;&#x2500;&#x2500; LICENSE
&#x251C;&#x2500;&#x2500; README.md
&#x251C;&#x2500;&#x2500; res &#x8BA1;&#x7B97;&#x7ED3;&#x679C;&#x4FDD;&#x5B58;&#x4F4D;&#x7F6E;
&#x251C;&#x2500;&#x2500; scr 
&#x2514;&#x2500;&#x2500; usercode.c &#x6B21;&#x914D;&#x7F6E;&#x6587;&#x4EF6;
</pre><h2 class="mume-header" id="%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95">&#x4F7F;&#x7528;&#x65B9;&#x6CD5;</h2>

<pre data-role="codeBlock" data-info="bash" class="language-bash">./cuf.py -t &#x3010;&#x8BA1;&#x7B97;&#x6A21;&#x5F0F;&#x3011;&#x3010;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x3011;

</pre><p>&#x9ED8;&#x8BA4;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x4E3A;<code>cufig.ini</code></p>
<p>&#x8BA1;&#x7B97;&#x6A21;&#x5F0F;&#x76EE;&#x524D;&#x6709;&#x4E14;&#x4EC5;&#x6709;&#x56DB;&#x79CD;&#xFF0C;&#x5206;&#x522B;&#x4E3A;&#xFF1A;</p>
<ul>
<li>2d   &#x666E;&#x901A;&#x4E8C;&#x7EF4;&#x6A21;&#x5F0F;</li>
<li>2dm  &#x5E26;&#x6709;mur&#x5438;&#x6536;&#x8FB9;&#x754C;&#x7684;&#x4E8C;&#x7EF4;&#x6A21;&#x5F0F;</li>
<li>3d   &#x666E;&#x901A;&#x4E09;&#x7EF4;&#x6A21;&#x5F0F;</li>
<li>3dm  &#x5E26;&#x6709;mur&#x5438;&#x6536;&#x8FB9;&#x754C;&#x7684;&#x4E09;&#x7EF4;&#x6A21;&#x5F0F;</li>
</ul>
<h3 class="mume-header" id="%E4%B8%BB%E8%A6%81%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6">&#x4E3B;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;</h3>

<pre data-role="codeBlock" data-info="ini" class="language-ini"><span class="token selector">[&#x8BA1;&#x7B97;&#x89C4;&#x6A21;]</span>
<span class="token constant">&#x957F;&#x5EA6;</span> <span class="token attr-value"><span class="token punctuation">=</span> 128</span>
<span class="token constant">&#x5BBD;&#x5EA6;</span> <span class="token attr-value"><span class="token punctuation">=</span> 128</span>
<span class="token constant">&#x9AD8;&#x5EA6;</span> <span class="token attr-value"><span class="token punctuation">=</span> 128</span>
&#xFF1B;&#x4E8C;&#x7EF4;&#x6A21;&#x5F0F;&#x65F6;&#x6B64;&#x9879;&#x4E0D;&#x586B;
<span class="token constant">&#x8BA1;&#x7B97;&#x65F6;&#x95F4;</span> <span class="token attr-value"><span class="token punctuation">=</span> 10000</span>
&#xFF1B;&#x8BA1;&#x7B97;&#x7684;&#x603B;&#x65F6;&#x95F4;&#x6B65;&#x957F;
<span class="token selector">[&#x521D;&#x59CB;&#x503C;]</span>
<span class="token constant">&#x81EA;&#x52A8;&#x521D;&#x503C;</span> <span class="token attr-value"><span class="token punctuation">=</span> &#x662F;</span>
&#xFF1B;&#x521D;&#x59CB;&#x503C;&#x7684;&#x6DFB;&#x52A0;&#x65B9;&#x5F0F;&#xFF0C;&#x81EA;&#x52A8;&#x521D;&#x59CB;&#x503C;&#x5219;&#x5168;&#x90E8;&#x6E05;&#x96F6;&#x3002;&#x63D0;&#x4F9B;&#x521D;&#x59CB;&#x503C;&#x7684;&#x5219;&#x5728;&#x4E0B;&#x9762;&#x6DFB;&#x52A0;&#x8DEF;&#x5F84;&#x3002;
<span class="token constant">p0&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span> </span>
<span class="token constant">vx&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span></span>
<span class="token constant">vy&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span> </span>
<span class="token constant">vz&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span></span>
<span class="token constant">z0&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span> dogz.npy</span>
&#xFF1B;z0&#x4E3A;&#x5FC5;&#x586B;&#x9879;
<span class="token constant">m</span> <span class="token attr-value"><span class="token punctuation">=</span> 4</span>
<span class="token selector">[&#x4E2D;&#x95F4;&#x8FC7;&#x7A0B;]</span>
<span class="token constant">&#x6DFB;&#x52A0;&#x65B9;&#x5F0F;</span> <span class="token attr-value"><span class="token punctuation">=</span>./usercode.c</span>
&#xFF1B;&#x6B21;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;

<span class="token selector">[&#x7ED3;&#x679C;&#x8F93;&#x51FA;]</span>
<span class="token constant">&#x8F93;&#x51FA;&#x9891;&#x7387;</span> <span class="token attr-value"><span class="token punctuation">=</span> 1000</span>
&#xFF1B;&#x8F93;&#x51FA;&#x7684;&#x65F6;&#x95F4;&#x5468;&#x671F;
<span class="token constant">&#x8F93;&#x51FA;&#x8DEF;&#x5F84;</span> <span class="token attr-value"><span class="token punctuation">=</span> ./res/</span>
&#xFF1B;&#x8F93;&#x51FA;&#x7684;&#x8DEF;&#x5F84;
</pre><h3 class="mume-header" id="%E6%AC%A1%E8%A6%81%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6">&#x6B21;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;</h3>

<p>&#x6B21;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x5C06;&#x5728;&#x8BA1;&#x7B97;&#x7684;&#x51C6;&#x5907;&#x9636;&#x6BB5;&#x7F16;&#x8BD1;&#x8FDB;&#x8BA1;&#x7B97;&#x4E3B;&#x7A0B;&#x5E8F;&#x4E4B;&#x4E2D;&#x3002;&#x914D;&#x7F6E;&#x9519;&#x8BEF;&#x5C06;&#x5BFC;&#x81F4;&#x7A0B;&#x5E8F;&#x65E0;&#x6CD5;&#x8FD0;&#x884C;&#x3002;</p>
<p>&#x6B21;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x63D0;&#x4F9B;&#x5728;&#x6BCF;&#x4E00;&#x6B65;&#x8BA1;&#x7B97;&#x540E;&#xFF0C;&#x901A;&#x8FC7;C&#x8BED;&#x8A00;&#x5BF9;&#x6570;&#x636E;&#x64CD;&#x4F5C;&#x7684;&#x80FD;&#x529B;&#xFF0C;&#x4E00;&#x822C;&#x7528;&#x4E8E;&#x6DFB;&#x52A0;&#x6E90;&#x6216;&#x8005;&#x5176;&#x4F59;&#x6761;&#x4EF6;&#x3002;</p>
<p>&#x4E8C;&#x7EF4;&#x6A21;&#x5F0F;&#x4E0B;&#x6B21;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x5199;&#x6CD5;&#x3002;</p>
<pre data-role="codeBlock" data-info="C" class="language-c"><span class="token keyword">void</span> <span class="token function">usercode</span><span class="token punctuation">(</span><span class="token keyword">float</span> <span class="token operator">*</span> p1<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span> vx1<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span> vy1<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span>z0j<span class="token punctuation">,</span><span class="token keyword">int</span> xar<span class="token punctuation">,</span> <span class="token keyword">int</span> yar<span class="token punctuation">,</span><span class="token keyword">float</span> m<span class="token punctuation">,</span><span class="token keyword">int</span> i<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
    <span class="token comment">// &#x4EE5;&#x4E0B;&#x5185;&#x5BB9;&#x53EF;&#x4EE5;&#x66F4;&#x6539;</span>
    p1<span class="token punctuation">[</span><span class="token number">4</span><span class="token operator">*</span>xar<span class="token operator">+</span><span class="token number">4</span><span class="token operator">*</span>yar<span class="token punctuation">]</span><span class="token operator">=</span><span class="token function">sin</span><span class="token punctuation">(</span><span class="token number">0.1</span><span class="token operator">*</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

</pre><p>&#x76F8;&#x5173;&#x8BF4;&#x660E;&#xFF1A;</p>
<p>p1  : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;&#x538B;&#x5F3A;&#x573A;&#x6307;&#x9488;</p>
<p>vx1 : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;x&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x5206;&#x91CF;&#x573A;<br>
&#x6307;&#x9488;<br>
vy1 : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;y&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x5206;&#x91CF;&#x573A;&#x6307;&#x9488;</p>
<p>z0j : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x4ECB;&#x8D28;&#x53C2;&#x6570;&#x573A;&#x6307;&#x9488;</p>
<p>xar yar : &#x5750;&#x6807;&#x7D22;&#x5F15;&#x3002;&#x4F8B;&#xFF1A;&#x8C03;&#x7528;&#x538B;&#x5F3A;&#x573A;&#x7684;(a,b)&#x70B9;&#x6570;&#x636E;&#xFF1A;p1[a*xar+b*yar]</p>
<p>m : m&#x53C2;&#x6570;&#x503C;</p>
<p>i : &#x65F6;&#x95F4;&#xFF0C;&#x8868;&#x793A;&#x5DF2;&#x7ECF;&#x8BA1;&#x7B97;&#x5230;&#x7B2C;i&#x6B65;</p>
<p>&#x4E09;&#x7EF4;&#x6A21;&#x5F0F;&#x4E0B;&#x6B21;&#x8981;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x5199;&#x6CD5;&#x3002;</p>
<pre data-role="codeBlock" data-info="C" class="language-c"><span class="token keyword">void</span> <span class="token function">usercode</span><span class="token punctuation">(</span><span class="token keyword">float</span> <span class="token operator">*</span> p1<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span> vx<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span> vy<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span> vz<span class="token punctuation">,</span><span class="token keyword">float</span> <span class="token operator">*</span>z0<span class="token punctuation">,</span><span class="token keyword">int</span> xar<span class="token punctuation">,</span>  <span class="token keyword">int</span> yar<span class="token punctuation">,</span><span class="token keyword">int</span> zar<span class="token punctuation">,</span><span class="token keyword">float</span> m<span class="token punctuation">,</span><span class="token keyword">int</span> i<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
    <span class="token comment">// &#x4EE5;&#x4E0B;&#x5185;&#x5BB9;&#x53EF;&#x4EE5;&#x66F4;&#x6539;</span>
    p1<span class="token punctuation">[</span><span class="token number">64</span><span class="token operator">*</span>xar<span class="token operator">+</span><span class="token number">64</span><span class="token operator">*</span>yar<span class="token operator">+</span><span class="token number">64</span><span class="token operator">*</span>zar<span class="token punctuation">]</span><span class="token operator">=</span><span class="token function">sin</span><span class="token punctuation">(</span><span class="token number">0.1</span><span class="token operator">*</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</pre><p>p1  : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;&#x538B;&#x5F3A;&#x573A;&#x6307;&#x9488;</p>
<p>vx : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;x&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x5206;&#x91CF;&#x573A;&#x6307;&#x9488;</p>
<p>vy : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;y&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x5206;&#x91CF;&#x573A;&#x6307;&#x9488;</p>
<p>vz : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x7684;z&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x5206;&#x91CF;&#x573A;&#x6307;&#x9488;</p>
<p>z0j : &#x6307;&#x5411;&#x8BA1;&#x7B97;&#x8FC7;&#x7A0B;&#x4E4B;&#x4E2D;&#x4ECB;&#x8D28;&#x53C2;&#x6570;&#x573A;&#x6307;&#x9488;</p>
<p>xar yar &#x7838;&#x4EBA;: &#x5750;&#x6807;&#x7D22;&#x5F15;&#x3002;&#x4F8B;&#xFF1A;&#x8C03;&#x7528;&#x538B;&#x5F3A;&#x573A;&#x7684;(a,b&#xFF0C;c)&#x70B9;&#x6570;&#x636E;&#xFF1A;p1[a*xar+b*yar+c*zar]</p>
<p>m : m&#x53C2;&#x6570;&#x503C;</p>
<p>i : &#x65F6;&#x95F4;&#xFF0C;&#x8868;&#x793A;&#x5DF2;&#x7ECF;&#x8BA1;&#x7B97;&#x5230;&#x7B2C;i&#x6B65;</p>
<h2 class="mume-header" id="%E6%95%B0%E7%BB%84%E7%94%9F%E6%88%90%E5%99%A8">&#x6570;&#x7EC4;&#x751F;&#x6210;&#x5668;</h2>

<pre data-role="codeBlock" data-info="bash" class="language-bash">$./initdog.py --help
usage: initdog.py <span class="token punctuation">[</span>-h<span class="token punctuation">]</span> <span class="token punctuation">[</span>-2d <span class="token operator">|</span> -3d<span class="token punctuation">]</span> <span class="token punctuation">[</span>-name <span class="token punctuation">[</span>NAME<span class="token punctuation">]</span><span class="token punctuation">]</span> <span class="token punctuation">[</span>-n <span class="token punctuation">[</span>N<span class="token punctuation">]</span><span class="token punctuation">]</span> x y <span class="token punctuation">[</span>z<span class="token punctuation">]</span>

NPY&#x683C;&#x5F0F;&#x6570;&#x7EC4;&#x751F;&#x6210;&#x5668;
&#x9ED8;&#x8BA4;&#x6570;&#x503C;&#x4E3A;1
&#x4F8B;&#x5B50;&#xFF1A;
&#x751F;&#x6210;&#x4E00;&#x4E2A;2X3&#x7684;&#x540D;&#x4E3A;&#x201C;num&#x201D;&#x4E8C;&#x7EF4;&#x6570;&#x7EC4;:
./initdog.py -2d -name num 2 3
&#x751F;&#x6210;&#x4E00;&#x4E2A;2X3X4&#x7684;&#x6570;&#x503C;&#x4E3A;5.3&#x7684;&#x4E09;&#x7EF4;&#x6570;&#x7EC4;&#xFF1A;
/initdog.py -3d -n 5.3 2 3 4

positional arguments:
  x             X&#x8F74;
  y             Y&#x8F74;
  z             Z&#x8F74;

optional arguments:
  -h, --help    show this <span class="token function">help</span> message and <span class="token keyword">exit</span>
  -2d, --d2     &#x4E8C;&#x7EF4;
  -3d, --d3     &#x4E09;&#x7EF4;
  -name <span class="token punctuation">[</span>NAME<span class="token punctuation">]</span>  &#x8F93;&#x51FA;&#x6587;&#x4EF6;&#x540D;
  -n <span class="token punctuation">[</span>N<span class="token punctuation">]</span>        &#x6570;&#x503C;

</pre><h2 class="mume-header" id="%E7%9B%B8%E5%85%B3%E4%BE%9D%E8%B5%96">&#x76F8;&#x5173;&#x4F9D;&#x8D56;</h2>

<ul>
<li>make</li>
<li>nvcc</li>
<li>argparse</li>
<li>configparser</li>
<li>numpy</li>
<li>matplotlib</li>
<li>progressbar</li>
</ul>
<h2 class="mume-header" id="%E7%89%88%E6%9C%AC%E6%9B%B4%E6%96%B0">&#x7248;&#x672C;&#x66F4;&#x65B0;</h2>

<p>1.0 &#x539F;&#x59CB;&#x7248;&#x672C;</p>

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