[rubygems/rubygems] Use a constant empty tar header to avoid extra allocations

[ruby.git] / benchmark / vm_ivar_lazy_set.yml

prelude: |
  class Example
    def lazy_set
      @uninitialized ||= 123
    end
  end

  objs = 10000000.times.map { Example.new }
benchmark:
  vm_ivar_lazy_set: |
    objs.each(&:lazy_set)
loop_count: 1