title: 2D array vs. structure (C++)
body: <p>If execution speed is important, should I use this,</p>
  
  <pre><code>struct myType {
  
      float dim[3];
  };
  
  myType arr[size];
  </code></pre>
  
  <p>or to use a 2D array as <code>arr[size][index]</code></p>