BigDecimal performance

bigdecimal-perf.rb

require 'benchmark/ips'
require 'bigdecimal'

Benchmark.ips do |x|
  x.report("== true") {
    BigDecimal('3') == true
  }

  x.report("TrueClass") {
    TrueClass === BigDecimal('3')
  }

  x.report("== 0") {
    BigDecimal('3') == 0
  }

  x.report("Numeric") {
    Numeric === BigDecimal('3')
  }
end

=begin
Calculating -------------------------------------
             == true      6427 i/100ms
           TrueClass     47297 i/100ms
                == 0     35923 i/100ms
             Numeric     55530 i/100ms
-------------------------------------------------
             == true    75878.5 (±21.6%) i/s -     359912 in   5.004392s
           TrueClass  1249547.0 (±13.1%) i/s -    6148610 in   5.035964s
                == 0   666856.3 (±13.3%) i/s -    3268993 in   5.013789s
             Numeric  1269300.9 (±11.3%) i/s -    6274890 in   5.028458s
=end