$ parrot fib.pir         # Parrot
fib(28) = 317811
start      : 1370329827.014
end        : 1370329829.229
end - start: 2.21500015258789
 
$ perl fib.pl           # Perl 5
fib(28) = 317811
start      : 1370329768.826
end        : 1370329769.45
end - start: 0.624000072479248
 
$ nqp bench/fib.t       # MoarVM
fib(28) = 317811
start      : 1370329844.736027
end        : 1370329845.001228
end - start: 0.265201