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There once was an assumption among computer programmers that a faster program is also an energy efficient program. The idea transmuted over to software programming languages—surely a faster language was a greener one, the logic went.That all changed in 2017 thanks to a group of researchers in Portugal.
In this blog post we benchmark many Ruby versions and the latest Ruby Just-in-Time compilers (JITs) on the newest Ruby benchmark suite, yjit-bench. As a teaser, the geometric mean speedups compared to CRuby 3.1 on these 14 benchmarks are: MJIT 1.26x, YJIT 1.39x, JRuby 1.86x and TruffleRuby 6.23x. Read on to find more about the benchmarks and gain insights on these speedups. This blog post is also available on Medium.
Software energy consumption is a major problem for computer makers, software language engineers, and even programmers.