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January 12, 2016

Fast Metaprogramming with Truffle

by Kevin Menard

Metaprogramming is a powerful technique that sets Ruby apart from other contemporary languages. It allows compact and elegant solutions to seemingly intractable problems. Serving as the foundation of some of the mostly widely used frameworks and DSLs in the Ruby ecosystem, it’s arguably the single most defining feature of Ruby. Unfortunately, that expressive power has traditionally come at the expense of performance. We’ll show you how JRuby+Truffle has eliminated the cost of metaprogramming so Rubyists can write idiomatic Ruby without having to worry about hidden performance trade-offs.

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