prelude: | # make many symbols benchmark: vm1_gc_short_with_symbol: | 50_000.times{|i| sym = "sym#{i}".to_sym} GC.start GC.start i = 0 while i<30_000_000 # while loop 1 a = '' # short-lived String b = '' c = '' d = '' e = '' f = '' i+=1 end loop_count: 1