message_bus_bm.rb

require "benchmark/ips"
require "benchmark/memory"
require_relative "lib/message_bus.rb"

str = "1|1|/foo|{\"data\":\"םוֹלשָׁ\",\"user_ids\":null,\"group_ids\":null,\"client_ids\":null}".freeze

Benchmark.ips do |b|
  b.report("decode1") do
    MessageBus::Message.decode(str)
  end
  b.report("decode2") do
    MessageBus::Message.decode2(str)
  end
  b.compare!
end

Benchmark.memory do |b|
  b.report("decode1") do
    MessageBus::Message.decode(str)
  end
  b.report("decode2") do
    MessageBus::Message.decode2(str)
  end
  b.compare!
end