website Changeset - c41c973f99e5 · Conservancy Kallithea

Changeset - c41c973f99e5

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Bradley Kuhn (bkuhn) - 8 years ago 2016-08-09 18:38:50
bkuhn@ebb.org

Clarify this sentence.

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www/conservancy/static/copyleft-compliance/vmware-code-similarity.html

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www/conservancy/static/copyleft-compliance/vmware-code-similarity.html

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 <h1 id="establishing-a-baseline-of-the-ccfinderx-tool">Establishing A Baseline of the CCFinderX Tool</h1>
-<p>CCFinderX offers many statistics for clone detection. After expert analysis, we concluded that most relevant to this situation is the &quot;ratio of similarity&quot; between the existing code and the new code. To establish a baseline, we considered two different comparisons of Free and Open Source Software (FOSS). First, we compared the Linux kernel, Version 4.5.2, to the FreeBSD kernel, Version 10.3.0. This comparison was inspired by the similar 2002 study <a href="#fn5" class="footnoteRef" id="fnref5"><sup>5</sup></a> of these two large C programs. The hypothesis remained that CCFinderX would encounter a small percentage of code similarity, since the FreeBSD and Linux projects collaborate on some subprojects and willingly share code under the 3-Clause BSD license for those parts. (These collaborations are public and well-documented.)</p>
+<p>CCFinderX offers many statistics for clone detection. After expert analysis, we concluded that most relevant to this situation is the &quot;ratio of similarity&quot; between the existing code and the new code. To establish a baseline, we considered two different comparisons of Free and Open Source Software (FOSS). First, we compared the Linux kernel, Version 4.5.2, to the FreeBSD kernel, Version 10.3.0. This comparison was inspired by the similar 2002 study <a href="#fn5" class="footnoteRef" id="fnref5"><sup>5</sup></a> of these two large C programs. The hypothesis remained that CCFinderX would encounter a low but significant percentage of code similarity, since the FreeBSD and Linux projects collaborate on some subprojects and willingly share code under the 3-Clause BSD license for those parts. (These collaborations are public and well-documented.)</p>
 <p>The experiment confirmed the hypothesis. We found that a 3.68% &quot;ratio of similarity&quot; when comparing code from Linux to the FreeBSD kernel.</p>

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