1.txt

~/projects/jruby $ jruby -X-C bench_yield.rb 
Calculating -------------------------------------
               yield    48.297k i/100ms
          block.call    56.451k i/100ms
     method dispatch    79.492k i/100ms
-------------------------------------------------
               yield      1.471M (±10.8%) i/s -      7.245M
          block.call      1.537M (± 7.0%) i/s -      7.621M
     method dispatch      2.587M (± 7.7%) i/s -     12.878M

[]
~/projects/jruby $ jruby bench_yield.rb 
Calculating -------------------------------------
               yield    49.195k i/100ms
          block.call    59.350k i/100ms
     method dispatch    93.706k i/100ms
-------------------------------------------------
               yield      1.429M (±30.9%) i/s -      5.707M
          block.call      1.411M (±29.8%) i/s -      5.757M
     method dispatch      7.938M (±15.7%) i/s -     38.045M

[]
~/projects/jruby $ jruby -Xcompile.invokedynamic=true bench_yield.rb 
Calculating -------------------------------------
               yield    65.343k i/100ms
          block.call    70.080k i/100ms
     method dispatch   157.996k i/100ms
-------------------------------------------------
               yield      1.843M (±35.2%) i/s -      6.861M
          block.call      1.853M (±33.8%) i/s -      7.008M
     method dispatch     19.077M (±18.4%) i/s -     89.426M

[]
~/projects/jruby $ rvm jruby-1.7.18 do ruby -X-C bench_yield.rb 
Calculating -------------------------------------
               yield    88.631k i/100ms
          block.call    92.329k i/100ms
     method dispatch   119.450k i/100ms
-------------------------------------------------
               yield      3.489M (±10.5%) i/s -     17.283M
          block.call      2.505M (± 9.1%) i/s -     12.464M
     method dispatch      4.528M (± 9.7%) i/s -     22.457M

[]
~/projects/jruby $ rvm jruby-1.7.18 do ruby bench_yield.rb 
Calculating -------------------------------------
               yield   173.511k i/100ms
          block.call   166.776k i/100ms
     method dispatch   218.508k i/100ms
-------------------------------------------------
               yield      7.064M (±10.5%) i/s -     34.876M
          block.call      4.889M (± 8.5%) i/s -     24.349M
     method dispatch     11.382M (±12.5%) i/s -     55.938M

[]
~/projects/jruby $ rvm jruby-1.7.18 do ruby -Xcompile.invokedynamic=true bench_yield.rb 
Calculating -------------------------------------
               yield   155.704k i/100ms
          block.call   156.176k i/100ms
     method dispatch   223.343k i/100ms
-------------------------------------------------
               yield      9.326M (±13.2%) i/s -     45.466M
          block.call      5.977M (± 9.3%) i/s -     29.673M
     method dispatch     16.960M (±15.1%) i/s -     82.637M

[]
~/projects/jruby $ rvm ruby-2.2 do ruby bench_yield.rb 
Calculating -------------------------------------
               yield    98.045k i/100ms
          block.call    55.876k i/100ms
     method dispatch    99.495k i/100ms
-------------------------------------------------
               yield      4.947M (±11.6%) i/s -     24.413M
          block.call      1.072M (± 7.4%) i/s -      5.364M
     method dispatch      6.283M (±12.9%) i/s -     30.943M

2.rb

require 'benchmark/ips'
 
class Yield
  def call
    yield
  end
end
 
class BlockCall
  def call(&block)
    block.call
  end
end
 
class MethodDispatch
  def call
  end
end
 
a = Yield.new
b = BlockCall.new
c = MethodDispatch.new
 
Benchmark.ips do |ips|
  ips.report("yield") do
    a.() {}
  end
 
  ips.report("block.call") do
    b.() {}
  end
 
  ips.report("method dispatch") do
    c.()
  end
end