require 'benchmark'

amount = 100000
script = <<EOF
a = 1 + 1
EOF

long_script = script * 100

bnd = binding

Benchmark.bmbm do |bm|
  bm.report("Control") { amount.times { 1 + 1 } }
  bm.report("Binding creation") { amount.times { binding } }
  bm.report("Implicit binding (short)") { amount.times { eval script } }
  bm.report("Explicit binding (short)") { amount.times { eval script, bnd } }
  bm.report("Implicit binding (long, * 0.1 loops)") { (amount/10).times { eval long_script } }
  bm.report("Explicit binding (long, * 0.1 loops)") { (amount/10).times { eval long_script, bnd } }
end