mkbench.bash

#!/usr/bin/env bash
(echo "# coding: utf-8"; cat ./ruby/{benchmark/*.rb,basictest/test.rb}) > bench.rb

performance.rb

require 'benchmark'

Filename = './bench.rb'
TmpFile = './tmp.bc'

iseq = RubyVM::InstructionSequence.compile_file(Filename)
encoded_iseq = iseq.to_binary

File.write(TmpFile, encoded_iseq)

puts "size: #{encoded_iseq.length}B"

N = 1000
Benchmark.bm do |x|
    x.report("load_from_binary") do ||
        N.times {
            RubyVM::InstructionSequence.load_from_binary(encoded_iseq)
        }
    end
    x.report("File.read + load_from_binary") do ||
        N.times {
            RubyVM::InstructionSequence.load_from_binary(File.read(TmpFile))
        }
    end
    x.report("compile_file") do ||
        N.times {
            RubyVM::InstructionSequence.compile_file(Filename)
        }
    end
end