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Feature #15085 » super.rb

wanabe (_ wanabe), 09/06/2018 10:59 PM

 
require 'benchmark_driver'
max = 40

Benchmark.driver do |x|
prelude = <<~RUBY
class A0
def foo
end
def foo0
end
end
RUBY
i = 0
while i < max
i += 1
prelude << <<~RUBY
class A#{i} < A#{i - 1}
def foo
super
end
def foo#{i}
foo#{i - 1}
end
end
RUBY
end

prelude << <<~RUBY
if RubyVM::MJIT.enabled?
a = eval("A#{max}").new
10.times { a.foo }
RubyVM::MJIT.pause
end

a = A#{max}.new
RUBY

if ENV["PERF_STAT"]
puts "perf stat target: #{ENV["PERF_STAT"]}"
prelude << <<~RUBY
$pid = Process.spawn("perf stat -e #{ENV["PERF_STAT"]} -p \#{$$}")
at_exit { Process.kill :INT, $pid }
RUBY
end

x.rbenv 'trunk', 'trunk,--jit', 'export-big-func', 'export-big-func,--jit'
x.prelude prelude

x.report %{ a.foo }
end

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