require 'benchmark' require 'execjs' TIMES = 10 SOURCE = File.read(File.expand_path("../fixtures/coffee-script.js", __FILE__)).freeze Benchmark.bmbm do |x| ExecJS::Runtimes.runtimes.each do |runtime| next if !runtime.available? || runtime.deprecated? x.report(runtime.name) do ExecJS.runtime = runtime context = ExecJS.compile(SOURCE) TIMES.times do context.call("CoffeeScript.eval", "((x) -> x * x)(8)") end end end end