benchmark/vm1_gc_wb_obj.yml


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benchmark:
  vm1_gc_wb_obj: |
    class C
      attr_accessor :foo
    end
    short_lived_obj = C.new

    if RUBY_VERSION >= "2.2.0"
      GC.start(full_mark: false, immediate_mark: true, immediate_sweep: true)
    end

    i = 0
    short_lived = ''
    while i<30_000_000 # while loop 1
      short_lived_obj.foo = short_lived # write barrier
      i+=1
    end
loop_count: 1