For those interested, I proposed a fix to *drastically* improve the performance of Bag>>#atRandom: ! See https://github.com/pharo-project/pharo/issues/5392 -- ----------------- Benoît St-Jean Yahoo! Messenger: bstjean Twitter: @BenLeChialeux Pinterest: benoitstjean Instagram: Chef_Benito IRC: lamneth GitHub: bstjean Blogue: endormitoire.wordpress.com "A standpoint is an intellectual horizon of radius zero". (A. Einstein)