> Try googling "jvm slow startup". Its slow because a bare bones hello world takes 40ms in Java instead of 1ms in C. Its "slow" relative to other languages, bu

> Try googling "jvm slow startup". Its slow because a bare bones hello world takes 40ms in Java instead of 1ms in C. Its "slow" relative to other languages, but its not really that slow over all. I can use mvn without noticing that its slow, but leiningen takes multiple seconds to run a command. Take a look at this image, taken from the link pjmlp posted: http://blog.ndk.io/img/jvm_vs_clojure.svg http://blog.ndk.io/img/jvm_vs_clojure.svg Note that the Clojure team are working on improving this, but it will never be as fast as pure Java and certainly never as fast as other languages (including cljs on node)