prelude: |
short_lived_ary = []
if RUBY_VERSION >= "2.2.0"
GC.start(full_mark: false, immediate_mark: true, immediate_sweep: true)
end
short_lived = ''
benchmark:
vm1_gc_wb_ary: |
short_lived_ary[0] = short_lived # write barrier
loop_count: 30000000