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$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
require 'benchmark'
require 'rspec/mocks'
N = ENV.fetch('N', 10_000).to_i
M = ENV.fetch('M', 5).to_i
puts "#{N} times, #{M} constants - ruby #{RUBY_VERSION}"
puts
class A
M.times do |x|
const_set("C#{x}", Object.new)
end
end
Benchmark.bm(20) do |bm|
RSpec::Mocks.setup(self)
bm.report("with constants") do
N.times do
class_double('A').as_stubbed_const(:transfer_nested_constants => true)
end
end
bm.report("without constants") do
N.times do
class_double('A').as_stubbed_const(:transfer_nested_constants => false)
end
end
end
# > for n in 1 10000; do for m in 0 5 100; do echo; \
# env N=$n M=$m ruby benchmarks/transfer_nested_constants.rb; \
# echo; done; done
#
# 1 times, 0 constants - ruby 2.0.0
#
# user system total real
# with constants 0.000000 0.000000 0.000000 ( 0.000180)
# without constants 0.000000 0.000000 0.000000 ( 0.000071)
#
#
# 1 times, 5 constants - ruby 2.0.0
#
# user system total real
# with constants 0.000000 0.000000 0.000000 ( 0.000197)
# without constants 0.000000 0.000000 0.000000 ( 0.000123)
#
#
# 1 times, 100 constants - ruby 2.0.0
#
# user system total real
# with constants 0.000000 0.000000 0.000000 ( 0.000433)
# without constants 0.000000 0.000000 0.000000 ( 0.000115)
#
#
# 10000 times, 0 constants - ruby 2.0.0
#
# user system total real
# with constants 0.900000 0.020000 0.920000 ( 0.935583)
# without constants 0.660000 0.010000 0.670000 ( 0.680178)
#
#
# 10000 times, 5 constants - ruby 2.0.0
#
# user system total real
# with constants 1.080000 0.020000 1.100000 ( 1.114722)
# without constants 0.720000 0.020000 0.740000 ( 0.741976)
#
#
# 10000 times, 100 constants - ruby 2.0.0
#
# user system total real
# with constants 3.870000 0.110000 3.980000 ( 4.000176)
# without constants 0.930000 0.010000 0.940000 ( 0.947197)
|
