Proc#call vs. yield

proc_vs_yield.rb

# Proc#call vs. yield - PB memo <http://d.hatena.ne.jp/nagachika/20111105/proc_call_versus_yield>

require 'benchmark'

n = 1_000_000

def m1
  yield :m1
end

def m2(&block)
  block.call(:m2)
end

Benchmark.bm do |b|
  b.report("m1") { n.times.each { |i| m1 {} } }
  b.report("m2") { n.times.each { |i| m2 {} } }
end

=begin
$ ruby -v
ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-darwin13]
$ ruby test.rb
       user     system      total        real
m1  0.150000   0.000000   0.150000 (  0.155446)
m2  0.720000   0.010000   0.730000 (  0.730200)
$ 
=end