<blockquote>

<p>Anyone who is familiar with kernel development, for instance, realizes that the highest man-power cost in its development is when code is deleted and modified. The amount of effort that goes into deleting and changing code, not just adding to it, is not reflected in the values associated with this estimate. Because in a collaborative development model, code is developed and then changed and deleted, the true value is far greater than the existing code base. Just think about the process: when a few lines of code are added to the kernel, for instance, many more have to be modified to be compatible with that change. The work that goes into understanding the dependencies and outcomes and then changing that code is not well represented in this study.</p>

</blockquote>

<p>Therefore, the process described herein, which ignores lines that are <em>deleted</em> (thus streamlining and improving code), also ignores a fundamental tenant of software development. Namely, making code smaller, more expressive, and more concise yields better-designed and more easily maintainable software. While the process herein <em>can</em> produce a clear list of code whose known introduction is directly attributable to Hellwig, the analysis produced by this process does not do justice to the full weight of the contributions made by Hellwig, since removed code is outright ignored in this process.</p>

<p>However, we can consider this process above to have found a bare minimum of Hellwig's contributions that appear in VMware's partial source release.</p>

<h1 id="further-analysis-of-additional-examples">Further Analysis of Additional Examples</h1>

<p>In this additional analysis, we used CCFinderX in a different way <a href="#fn6" class="footnoteRef" id="fnref6"><sup>6</sup></a>. In these tests, I confine the code tests to specific small sections of code that were previously identified by human analysis as similar. In this way, I used CCFinderX to confirm with computational analysis what was already obvious to the human eye.</p>

<p>As expected, the ratio of similarity between the Hellwig's implementation and the corresponding implementation found in VMware's ESXi 5.5 product are quite high. As show in the table below, these particular functions show a incredibly high degree of similarity.</p>

<table>

<thead>

<tr class="header">

<th style="text-align: left;">Function</th>