It <i>is</i> slower. Here&#x27;s an old benchmark but presumably Linux and Solaris had the same shared vs. separate address space difference back then, and the results show it:<p><a href="https:&#x2F;&#x2F;pdfs.semanticscholar.org&#x2F;4489&#x2F;18f01d17628cb94ac69f27767f74f3d6d769.pdf" rel="nofollow">https:&#x2F;&#x2F;pdfs.semanticscholar.org&#x2F;4489&#x2F;18f01d17628cb94ac69f27...</a><p>They don&#x27;t call it &quot;Slowlaris&quot; for nothing...