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Bug #11088 » bug_hunt_benchmark.rb

austin (Austin Ziegler), 05/10/2015 02:30 AM

 
module SimpleInspect
def inspect
result = if inspected?
"#<%s (%d) ...>" % [ inspected_key, inspected_count ]
else
super
end
inspect!
"\n" + result
end

private
def inspected?
inspected[inspected_key].nonzero?
end

def inspect!
inspected[inspected_key] += 1
end

def inspected_count
inspected[inspected_key]
end

def inspected
$__inspected__ ||= Hash.new { |h, k| h[k] = 0 }
end

def inspected_key
"%s:0x%014x" % [ self.class, "0x%014x" % (object_id * 2) ]
end
end

class Object
include SimpleInspect
end

class Entity; end
class Indect; end
class Koppler; end
class Occupancy; end
class Control; end
class ScheduleEntry; end
class SQLiteStorage; end
class UBox; end
class USpot; end
class UFlag; end
class UFlow; end
class Sign; end
class CounterGroup; end

obj1 = Indect.new
_, obj2 = Marshal.load(File.read "ruby_object.dump").first

def call_id(obj)
obj.id
rescue => ex
ex.message
end

def repeat_call_id(obj, repeats = 100000)
repeats.times { call_id(obj) }
end

require 'benchmark'

Benchmark.bm(17) do |mark|
mark.report("Normal #{obj1.class}:") { repeat_call_id(obj1) }
mark.report("Recursive #{obj2.class}:") { repeat_call_id(obj2) }
end

$__inspected__.clear

p call_id(obj1)
# "undefined method `id' for \n#<Indect:0x007fb2e4029e20>:Indect"
p call_id(obj2)
# "undefined method `id' for #<Indect:0x007fb2e4029c40>"
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