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|
$:.unshift "../lib"
require 'benchmark'
require 'needle'
ITERATIONS = 100_000
S = Struct.new( :value )
registry = Needle::Registry.new
registry.register( :immediate, :model=>:prototype ) { S.new }
registry.register( :deferred, :model=>:prototype_deferred ) { S.new }
puts
puts "--------------------------------------------------------------------"
puts "Direct vs. Immediate vs. Deferred instantiation (trivial)"
puts "#{ITERATIONS} iterations"
puts
Benchmark.bm(10) do |x|
GC.disable
x.report( "direct:" ) { ITERATIONS.times { S.new } }
GC.start
x.report( "immediate:" ) { ITERATIONS.times { registry.immediate } }
GC.start
x.report( "deferred:" ) { ITERATIONS.times { registry.deferred } }
GC.start
x.report( "deferred*:" ) { ITERATIONS.times { registry.deferred.value } }
GC.enable
end
puts "* this benchmark forced the proxy to instantiate its wrapped service"
puts
class S2
def initialize
@h = Hash.new
@h[:one] = :two
@h[:two] = :three
@h[:three] = :four
10.times { @h[:one] }
end
def value
@h
end
end
registry = Needle::Registry.new
registry.register( :immediate, :model=>:prototype ) { S2.new }
registry.register( :deferred, :model=>:prototype_deferred ) { S2.new }
puts
puts "--------------------------------------------------------------------"
puts "Direct vs. Immediate vs. Deferred instantiation (non-trivial)"
puts "#{ITERATIONS} iterations"
puts
Benchmark.bm(10) do |x|
GC.disable
x.report( "direct:" ) { ITERATIONS.times { S2.new } }
GC.start
x.report( "immediate:" ) { ITERATIONS.times { registry.immediate } }
GC.start
x.report( "deferred:" ) { ITERATIONS.times { registry.deferred } }
GC.start
x.report( "deferred*:" ) { ITERATIONS.times { registry.deferred.value } }
GC.enable
end
puts "* this benchmark forced the proxy to instantiate its wrapped service"
puts
|
