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require 'rubygems'
require 'tach'
class Concatenator
def initialize(string)
@string = string
end
def call(data)
@string << data
end
end
string = "0123456789ABCDEF"
Tach.meter(100_000) do
tach('class') do
s = ""
obj = Concatenator.new(s)
10.times { obj.call(string) }
end
tach('lambda') do
s = ""
obj = lambda {|data| s << data }
10.times { obj.call(string) }
end
end
# ruby 1.9.2p136 (2010-12-25 revision 30365) [x86_64-linux]
#
# +--------+----------+
# | tach | total |
# +--------+----------+
# | class | 1.450284 |
# +--------+----------+
# | lambda | 2.506496 |
# +--------+----------+
# ruby 1.8.7 (2010-12-23 patchlevel 330) [x86_64-linux]
#
# +--------+----------+
# | tach | total |
# +--------+----------+
# | class | 1.373917 |
# +--------+----------+
# | lambda | 2.589384 |
# +--------+----------+
|
