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require 'benchmark'
n = 10_000
m = 1.upto(1000).inject({}) { |m, i| m[i] = i; m }
Benchmark.benchmark do |bm|
puts "#{n} times - ruby #{RUBY_VERSION}"
puts
puts "each_value"
3.times do
bm.report do
n.times do
m.each_value {}
end
end
end
puts
puts "values.each"
3.times do
bm.report do
n.times do
m.values.each {}
end
end
end
end
# $ ruby benchmarks/values_each_v_each_value.rb
# 10000 times - ruby 1.9.3
#
# each_value
# 0.720000 0.000000 0.720000 ( 0.720237)
# 0.720000 0.000000 0.720000 ( 0.724956)
# 0.730000 0.000000 0.730000 ( 0.730352)
#
# values.each
# 0.910000 0.000000 0.910000 ( 0.917496)
# 0.910000 0.010000 0.920000 ( 0.909319)
# 0.910000 0.000000 0.910000 ( 0.911225)
# $ ruby benchmarks/values_each_v_each_value.rb
# 10000 times - ruby 2.0.0
#
# each_value
# 0.730000 0.000000 0.730000 ( 0.738443)
# 0.720000 0.000000 0.720000 ( 0.720183)
# 0.720000 0.000000 0.720000 ( 0.720866)
#
# values.each
# 0.940000 0.000000 0.940000 ( 0.942597)
# 0.960000 0.010000 0.970000 ( 0.959248)
# 0.960000 0.000000 0.960000 ( 0.959099)
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