String operations in ruby

gistfile1.rb

puts "double assignment:"
puts Benchmark.measure {
  100_000_000.times  { "abc" }
}
# double assignment:
#  9.320000   0.010000   9.330000 (  9.316967)


puts "double comparisons:"
x = "a"
y = "b"
puts Benchmark.measure {
  100_000_000.times { x <=> y }
}
# double comparisons:
#  6.900000   0.000000   6.900000 (  6.912507)

puts "single assignment:"
puts Benchmark.measure {
  100_000_000.times { 'abc' }
}
# single assignment:
#  9.360000   0.010000   9.370000 (  9.363096)


puts "single comparison:"
x = 'a'
y = 'b'
puts Benchmark.measure {
  100_000_000.times { x <=> y }
}
# single comparison:
#   6.980000   0.000000   6.980000 (  6.981026)
puts "double with interpolation:"
puts Benchmark.measure {
  100_000_000.times { double_interpolated = "ab#{'c'}" }
}
# double with interpolation:
#   9.820000   0.010000   9.830000 (  9.832024)