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From: Damien Doligez <Damien.Doligez@inria.fr>
Message-Id: <200010081340.PAA0000023490@beaune.inria.fr>
To: caml-list@inria.fr, nr@eecs.harvard.edu
Subject: Re:  ratio of heap size to live data in Caml GC?
Sender: weis@pauillac.inria.fr

>From: Norman Ramsey <nr@eecs.harvard.edu>

>Can anybody tell me what ratio of heap size to live data the OCaml collector
>needs to perform well?  The default ratio appears to be 2.4.  I assume
>this means the collector is a mark-and-sweep collector?

The collector is generational, with the young generation managed by a
stop-and-copy collector, and the old generation by a mark-and-sweep.

The default ratio of heap size to live data for the old heap is
supposed to be about 1.42, assuming that your program uses a constant
amount of live data.

-- Damien