I would increase the default minor heap size to something closer to today's common L2 cache sizes. But I see that Damien already did this for us: http://caml.inria.fr/cgi-bin/viewcvs.cgi/ocaml/version/3.12/byterun/config.h ?rev=10787 &r1=10496&r2=10787 Cheers, Jon. From: Eray Ozkural [mailto:examachine@gmail.com] Sent: 22 November 2010 23:14 To: Jon Harrop Cc: Sylvain Le Gall; caml-list@inria.fr Subject: Re: [Caml-list] Re: Optimizing garbage collection On Mon, Nov 22, 2010 at 11:14 PM, Jon Harrop wrote: What happens if you just increase the default size? Well we don't want to be a memory hog like Java do we? It's something that kind of depends on the app, what would you set it to? Cheers, -- Eray Ozkural, PhD candidate. Comp. Sci. Dept., Bilkent University, Ankara http://groups.yahoo.com/group/ai-philosophy http://myspace.com/arizanesil http://myspace.com/malfunct