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require 'benchmark/ips'

def array0

[]

end

def fixnum_array1

[1]

end

def fixnum_array2

[1,2]

end

def fixnum_array3

[1,2,3]

end

def fixnum_array10

[1,2,3,4,5,6,7,8,9,10]

end

def float_array1

[1.0]

end

def float_array2

[1.0,2.0]

end

def float_array3

[1.0,2.0,3.0]

end

def float_array10

[1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0]

end

Benchmark.ips do |bm|

bm.report("empty array") do |i|

n = 0

while i > 0

i-=1

n += array0.size

end

n

end

bm.report("fixnum array 1") do |i|

n = 0

while i > 0

i-=1

n += fixnum_array1.size

end

n

end

bm.report("fixnum array 2") do |i|

n = 0

while i > 0

i-=1

n += fixnum_array2.size

end

n

end

bm.report("fixnum array 3") do |i|

n = 0

while i > 0

i-=1

n += fixnum_array3.size

end

n

end

bm.report("fixnum array 10") do |i|

n = 0

while i > 0

i-=1

n += fixnum_array10.size

end

n

end

bm.report("float array 1") do |i|

n = 0

while i > 0

i-=1

n += float_array1.size

end

n

end

bm.report("float array 2") do |i|

n = 0

while i > 0

i-=1

n += float_array2.size

end

n

end

bm.report("float array 3") do |i|

n = 0

while i > 0

i-=1

n += float_array3.size

end

n

end

bm.report("float array 10") do |i|

n = 0

while i > 0

i-=1

n += float_array10.size

end

n

end

end