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A comment on From Rails to Clojure, Then to Java, Then Back to Rails. Parent comment

Re:From Rails to Clojure, Then to Java, Then Back to Rails by lloeki on Wednesday March 21, 2018 @02:12PM (#16640843)
Most of the time you're not using JRuby for the JIT but for threads and/or to fit into some Tomcat/other Java environment. JRuby isn't exactly fast.
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Re:From Rails to Clojure, Then to Java, Then Back to Rails by jashmatthews on Wednesday March 21, 2018 @05:11PM (#16642458)
JRuby is now about 3x faster than MRI, thanks to improvements in JRuby and increased support from the JVM for optimizing dynamic languages like invokedynamic.
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