Another reason is that is doesn&#x27;t do all the things that standard Clojure does, which are the actual cause for slowness, it is not the JVM.<p><a href="http:&#x2F;&#x2F;blog.ndk.io&#x2F;2014&#x2F;02&#x2F;11&#x2F;jvm-slow-startup.html" rel="nofollow">http:&#x2F;&#x2F;blog.ndk.io&#x2F;2014&#x2F;02&#x2F;11&#x2F;jvm-slow-startup.html</a>