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    <DIV class="Bspace4">
    <em>May 01, 2005</em><BR>
    
        <h3>Optimal Queens</h3>
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           (Page <a href="/architect/184406068?pgno=5">5</a> of 
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<title>May, 2005: Optimal Queens</title>
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<table cellpadding=3 cellspacing=3>
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    <td>Description</td>
    <td>Time Required</td>
    <td>Ratio With No Optimization</td>
  </tr>
  <tr>
    <td>No Optimization</td>
    <td>20:59:51</td>
    <td>1.000</td>
  </tr>
  <tr>
    <td>Wirth's Validity Check</td>
    <td>8:51:50</td>
    <td>2.369</td>
  </tr>
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    <td>Permutation Vector</td>
    <td>3:52:36</td>
    <td>5.416</td>
  </tr>
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    <td>Both Optimizations</td>
    <td>1:54:54</td>
    <td>10.965</td>
  </tr>
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    <td>Inline Code Optimization</td>
    <td>1:03:28</td>
    <td>19.850</td>
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    <td>Without Symmetry Checks</td>
    <td>0:58:18</td>
    <td>21.609</td>
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<h4><b>Table 1: </b>Benchmarking results.</h4>
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