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require 'benchmark'
class Ret
def initialize(a,b,c,d,e)
@a = a
@b = b
@c = c
@d = d
@e = e
end
end
@preobj = Object.new
def @preobj.assign(a,b,c,d,e)
@a = a
@b = b
@c = c
@d = d
@e = e
end
def return_list
return 1, 2, 3, 4, 5
end
def return_array
return [1, 2, 3, 4, 5]
end
def return_hash
return { 1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5 }
end
def return_object
return Ret.new(1, 2, 3, 4, 5)
end
def return_preobj
return @preobj.assign(1, 2, 3, 4, 5)
end
def return_globals
$a = 1; $b = 2; $c = 3; $d = 4; $e = 5
end
n = 50000
Benchmark.bm(7) do |x|
x.report("global") { n.times do ; return_globals ; end }
x.report("preobj") { n.times do ; return_preobj ; end }
x.report("object") { n.times do ; return_object ; end }
x.report("array:") { n.times do ; return_array ; end }
x.report("hash:") { n.times do ; return_hash ; end }
x.report("list:") { n.times do ; return_list ; end }
end
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