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require 'benchmark'
n = 10000
list = 1.upto(10).to_a
Benchmark.benchmark do |bm|
puts "take_while"
3.times do
bm.report do
n.times do
list.
take_while {|i| i < 6}.
map {|i| i}.
compact
end
end
end
puts
puts "list[0,n]"
3.times do
bm.report do
n.times do
if index = list.index(6)
list[0, index].map {|i| i.to_s}
else
list.map {|i| i}.compact
end
end
end
end
end
__END__
ruby benchmarks/index_v_take_while.rb
take_while
0.020000 0.000000 0.020000 ( 0.020005)
0.010000 0.000000 0.010000 ( 0.015907)
0.010000 0.000000 0.010000 ( 0.015962)
list[0,n]
0.020000 0.000000 0.020000 ( 0.023561)
0.020000 0.000000 0.020000 ( 0.018812)
0.030000 0.000000 0.030000 ( 0.022389)
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