Comparison of using run time & memory usage to run a ruby script that requires a single gem (which does nothing) then exits.

.gitignore

.bundle
bundle
vendor

README.md

Comparison of using run time & memory usage to run a ruby script that requires a single gem (which does nothing) then exits.

When standalone is available:

rm -rf ./bundle ./vendor ./.bundle
bundle --standalone
time ./test.rb

real	0m0.056s
user	0m0.041s
sys	0m0.012s

RSS: 6460 KB

When using vendor directory and require bundle/setup:

rm -rf ./bundle ./vendor ./.bundle
bundle --deployment
time ./test.rb

real	0m0.268s
user	0m0.230s
sys	0m0.037s

RSS: 17592 KB

Gemfile

source 'https://rubygems.org'

gem 'nothing'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    nothing (1.0.0)

PLATFORMS
  ruby

DEPENDENCIES
  nothing

test.rb

#!/usr/bin/env ruby

begin
  require_relative "bundle/bundler/setup"
rescue LoadError
  $stderr.puts "Using bundler/setup"
  require 'bundler/setup'
end

puts require 'nothing'

# sleep 200