gistfile1.txt

ruby 2.0.0p353 (2013-11-22 revision 43784) [x86_64-darwin13.0.0]
Python 2.7.5
javac 1.6.0_65
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin13.0.0
Thread model: posix

ruby.v.python.out

Rehearsal ------------------------------------------------------------------------------------------
ruby /dev/null                                           0.000000   0.010000   0.330000 (  0.358619)
ruby --disable-gems /dev/null                            0.010000   0.010000   0.090000 (  0.084430)
ruby --disable-gems -e 'puts "hello world!"' /dev/null   0.000000   0.000000   0.100000 (  0.117331)
python /dev/null                                         0.000000   0.010000   0.220000 (  0.233016)
python -s -S /dev/null                                   0.000000   0.000000   0.090000 (  0.106474)
gcc null.c                                               0.000000   0.010000   0.290000 (  0.317702)
--------------------------------------------------------------------------------- total: 1.120000sec

                                                             user     system      total        real
ruby /dev/null                                           0.000000   0.010000   0.360000 (  0.365761)
ruby --disable-gems /dev/null                            0.000000   0.000000   0.080000 (  0.095927)
ruby --disable-gems -e 'puts "hello world!"' /dev/null   0.000000   0.010000   0.100000 (  0.107404)
python /dev/null                                         0.010000   0.000000   0.210000 (  0.223067)
python -s -S /dev/null                                   0.000000   0.010000   0.100000 (  0.107324)
gcc null.c                                               0.000000   0.000000   0.300000 (  0.334820)
(For 10 iterations each. null.java is an empty file (0 bytes). null.c contains an empty main (12 bytes).)

ruby.v.python.rb

require 'benchmark'
require 'fileutils'

FileUtils.rm_f "null.java"
FileUtils.touch "null.java"
FileUtils.rm_f "null.c"
File.write("null.c","int main(){}")

n = 10

commands = [
  "ruby /dev/null",
  "ruby --disable-gems /dev/null",
  "ruby --disable-gems -e 'puts \"hello world!\"' /dev/null",
  "python /dev/null",
  "python -s -S /dev/null",
#  "javac null.java", # cos why bovver?
  "gcc null.c"  
]

Benchmark.bmbm do |b|
  commands.each do |cmd|
    b.report(cmd) { n.times { %x{#{cmd}}}}
  end
end

puts "(For #{n} iterations each. null.java is an empty file (#{File.size("null.java")} bytes). null.c contains an empty main (#{File.size("null.c")} bytes).)"