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require 'benchmark'
def bench_array(bm)
arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
bm.report("10m array == array, 20 Fixnum array") do
i = 0
while i < 10_000_000
arr == arr
i+=1
end
end
bm.report("2m array == array.dup, 20 Fixnum array") do
i = 0
while i < 2_000_000
arr == arr.dup
i+=1
end
end
arr3 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
bm.report("10m array == array, 200 Fixnum array") do
i = 0
while i < 10_000_000
arr3 == arr3
i+=1
end
end
bm.report("2m array == array.dup, 200 Fixnum array") do
i = 0
while i < 2_000_000
arr3 == arr3.dup
i+=1
end
end
end
if $0 == __FILE__
if ARGV[0]
ARGV[0].to_i.times {
Benchmark.bm(40) {|bm| bench_array(bm)}
}
else
Benchmark.bmbm {|bm| bench_array(bm)}
end
end
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