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jruby/bench/java/bench_java_list_ext.rb at master · jruby/jruby · GitHub

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require 'java'

require 'benchmark'

TIMES = (ARGV[0] || 5).to_i

TIMES.times do

Benchmark.bm(10) do |bm|

bm.report('ArrayList') do

list = java.util.ArrayList.new

one = 1.to_java

two = 2.to_java

thr = 3.to_java

1_000_000.times do

list.clear

list << one; list << two; list << thr

list[2] = one; list[0] = two; list[1] = thr

list.index(one)

list.rindex(thr)

list.to_a

end

end

bm.report('LinkedList') do

list = java.util.LinkedList.new

one = 1.to_java

two = 2.to_java

thr = 3.to_java

1_000_000.times do

list.clear

list << one; list << two; list << thr

list[2] = one; list[0] = two; list[1] = thr

list.index(one)

list.rindex(thr)

list.to_a

end

end

end

end

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