initially                     :   16,846,848
we've made a huge piddle!     :  418,107,392
and now it's gone             :   17,321,984
we've made a huge array!      :  628,912,128
and now it's gone             :  628,928,512
and now a thread is gone, too :   20,258,816

but let's try it in main thread!

we've made a huge array!      :  625,430,528
and now it's gone             :  625,430,528
finally                       :  625,430,528