prelude: |
long_lived = []
if RUBY_VERSION > "2.2.0"
3.times{ GC.start(full_mark: false, immediate_mark: true, immediate_sweep: true) }
elsif
GC.start
end
short_lived = ''
benchmark:
vm_gc_wb_ary_promoted: |
long_lived[0] = short_lived # write barrier
loop_count: 30000000