JRuby on invokedynamic uses SwitchPoint for constant lookup, as you’d expect. Instead of actively pinging that global constant serial number, we instead use a global SwitchPoint object to guard ...

So for invokedynamic to beat us it has to do a lot of work. That said, invokedynamic in recent builds of OpenJDK 7 *has* started to beat stock JRuby for dynamic call performance.

Version 1.7 of JRuby, unveiled at the JRubyConf 2012 technical conference in Minneapolis, features InvokeDynamic capabilities from the standard version of Java 7, said Charles Nutter, a co-leader ...

In this article, we take a deep dive into Java's invokedynamic and explain why it is such a powerful tool for the Java platform and for JVM languages such as JRuby and Nashorn.

JRuby 10 is the project’s first major version update since JRuby 9.4, released over three years ago. With this release, JRuby now incorporates features from Ruby 3.2, 3.3, and 3.4, and has passed ...

JRuby is an increasingly appealing vehicle for bringing existing Java code into the brave new world of Rails. It also provides a good solution for facilitating scriptable extensibility in large ...

JRuby 9000, the ninth major release of JRuby, is compatible with the Ruby 2.2 specification, and it requires a Java Development Kit compatible with Java 7 or higher.

JRuby allows us to leverage very good and mature libraries in java (e.g. Concurrency, HTTPClient, etc.) while allowing us to write and expose elegant APIs written in the Ruby way.

Alternative Ruby implementations seem to be on the move throughout the Ruby community. JRuby is the furthest along at this point, so I decided to talk to Charles Nutter and Thomas Enebo, two of the ...