Yep it only covers the compression&#x2F;pruning. Here is a talk by the author, covering the chip too -<a href="http:&#x2F;&#x2F;web.stanford.edu&#x2F;class&#x2F;ee380&#x2F;Abstracts&#x2F;160106.html" rel="nofollow">http:&#x2F;&#x2F;web.stanford.edu&#x2F;class&#x2F;ee380&#x2F;Abstracts&#x2F;160106.html</a>