Created
December 29, 2014 20:37
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Bench nested super and constant logic
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# Test the performance of testing for equality in a class that includes | |
# a module and calls super on it. See if there is any difference between | |
# arg == Const and Const == arg for the runtimes. | |
# | |
require 'rubygems' | |
require 'benchmark' | |
A = 1 | |
B = 2 | |
C = 3 | |
D = 4 | |
E = 5 | |
F = 6 | |
G = 7 | |
H = 8 | |
I = 9 | |
module Foo1 | |
def compare_it(val) | |
A == val || | |
B == val | |
end | |
end # Foo1 | |
module Foo2 | |
def compare_it(val) | |
val == A || | |
val == B | |
end | |
end # Foo2 | |
class Bar1 | |
include Foo1 | |
def compare_it(val) | |
super || | |
C == val || | |
D == val || | |
E == val || | |
F == val || | |
G == val || | |
H == val || | |
I == val | |
end | |
end # Bar1 | |
class Bar2 | |
include Foo2 | |
def compare_it(val) | |
super || | |
val == C || | |
val == D || | |
val == E || | |
val == F || | |
val == G || | |
val == H || | |
val == I | |
end | |
end # Bar2 | |
@bar1 = Bar1.new | |
@bar2 = Bar2.new | |
Iterations = 50_000_000 | |
Benchmark.bmbm("== order comparison for speed".size) do |x| | |
x.report("bar1 A in super:") do | |
Iterations.times { @bar1.compare_it(1) } | |
end | |
x.report("bar2 A in super:") do | |
Iterations.times { @bar2.compare_it(1) } | |
end | |
x.report("bar1 C:") do | |
Iterations.times { @bar1.compare_it(3) } | |
end | |
x.report("bar2 C:") do | |
Iterations.times { @bar2.compare_it(3) } | |
end | |
x.report("bar1 I:") do | |
Iterations.times { @bar1.compare_it(9) } | |
end | |
x.report("bar2 I:") do | |
Iterations.times { @bar2.compare_it(9) } | |
end | |
end |
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