Re: Best Ref-counting algorithms?

=?ISO-8859-1?Q?Christoffer_Lern=F6?= <lerno@dragonascendant.com>
Tue, 14 Jul 2009 23:43:26 -0700 (PDT)

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From: =?ISO-8859-1?Q?Christoffer_Lern=F6?= <lerno@dragonascendant.com>
Newsgroups: comp.compilers
Date: Tue, 14 Jul 2009 23:43:26 -0700 (PDT)
Organization: Compilers Central
References: 09-07-018 09-07-023 09-07-027 09-07-037
Keywords: GC
Posted-Date: 15 Jul 2009 19:23:23 EDT

On Jul 14, 8:02 pm, Hans Aberg <haberg_20080...@math.su.se> wrote:
> Christoffer LernC6 wrote:
> >> It depends on what resources you want to collect, and what
> >> implementation language you are choosing.
>
> > I'm playing around with a ref-counting based (memory) GC for a
> > language I have yet to construct.
>
> But what language are you planning use for the implementation? If you
> choose C++, then it is hard to find the root set. Suppose you create
> object for use in your language; then global objects and those in th
> stack should be registered somehow for the tracing, but those on the
> heap should not, as the are live when they can be traced from the other.


I was thinking of using C for implementation, but does that matter? As
long as I implement the language in a non GC:ed language I will have
to take care of writing the GC myself (or for C, use the Bohm
conservative GC).


/C



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