From: William Djaja Tjokroaminata <billtj@...>
Date: 2002-08-29T22:32:39+09:00
Subject: Re: Why Ruby Uses Mark-and-Sweep GC?

Hi,

Did you indeed add incremental sweeping (I will assume that it also means
"incremental marking") to Ruby GC?  May I know the general idea on how to
do this to current Ruby GC?

Regards,

Bill
===========================================================================
Justin Johnson <justinj@mobiusent.com> wrote:

> And having a "remembered set" automatically catered for usually relies on
> hardware supported write barrier which could get prohibitivly expensive in
> the case outlined below.

> Incidentally, my garbage collector is mark-and-sweep with incremental
> sweeping.  Incremental sweeping was easy to add and distributes the sweeping
> cost amongst allocations.  It was easy to add.  If Ruby doesn't do this
> already, it might be worth adding?

> I'm looking into making it generational although the sticking point seems to
> be make the generations work without support for hardware write barrier.

> --
> Justin Johnson