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Ruby's GC
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Jeremy Tregunna  
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 More options Oct 25 2005, 3:45 am
Newsgroups: comp.lang.ruby
From: Jeremy Tregunna <jtregu...@blurgle.ca>
Date: Tue, 25 Oct 2005 16:45:39 +0900
Local: Tues, Oct 25 2005 3:45 am
Subject: Ruby's GC
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I'm curious if someone can point me to a technical description of
ruby's garbage collector?

--
Jeremy Tregunna
jtregu...@blurgle.ca

"If debugging is the process of removing bugs, then programming must be
the process of putting them in." --Dykstra


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Eric Hodel  
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 More options Oct 25 2005, 4:03 am
Newsgroups: comp.lang.ruby
From: Eric Hodel <drbr...@segment7.net>
Date: Tue, 25 Oct 2005 17:03:21 +0900
Local: Tues, Oct 25 2005 4:03 am
Subject: Re: Ruby's GC
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On Oct 25, 2005, at 12:45 AM, Jeremy Tregunna wrote:

> I'm curious if someone can point me to a technical description of  
> ruby's garbage collector?

There might be one in the Ruby Hacking Guide (in Japanese).  Guy  
Decoux might also be able to describe it for you in French, Ruby or C.

The short, english description is a conservative mark and sweep  
garbage collector.

--
Eric Hodel - drbr...@segment7.net - http://segment7.net
FEC2 57F1 D465 EB15 5D6E  7C11 332A 551C 796C 9F04


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Jeremy Tregunna  
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 More options Oct 25 2005, 4:08 am
Newsgroups: comp.lang.ruby
From: Jeremy Tregunna <jtregu...@blurgle.ca>
Date: Tue, 25 Oct 2005 17:08:29 +0900
Local: Tues, Oct 25 2005 4:08 am
Subject: Re: Ruby's GC
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On 25-Oct-05, at 4:03 AM, Eric Hodel wrote:

> On Oct 25, 2005, at 12:45 AM, Jeremy Tregunna wrote:

>> I'm curious if someone can point me to a technical description of
>> ruby's garbage collector?

> There might be one in the Ruby Hacking Guide (in Japanese).  Guy
> Decoux might also be able to describe it for you in French, Ruby or C.

> The short, english description is a conservative mark and sweep
> garbage collector.

Yeah, I got that bit, was hoping for something a bit more technical in
English.

> Eric Hodel - drbr...@segment7.net - http://segment7.net

--
Jeremy Tregunna
jtregu...@blurgle.ca

"If debugging is the process of removing bugs, then programming must be
the process of putting them in." --Dykstra


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Yukihiro Matsumoto  
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 More options Oct 25 2005, 4:24 am
Newsgroups: comp.lang.ruby
From: Yukihiro Matsumoto <m...@ruby-lang.org>
Date: Tue, 25 Oct 2005 17:24:00 +0900
Subject: Re: Ruby's GC
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Hi,

In message "Re: Ruby's GC"
    on Tue, 25 Oct 2005 17:08:29 +0900, Jeremy Tregunna <jtregu...@blurgle.ca> writes:

|> The short, english description is a conservative mark and sweep
|> garbage collector.
|
|Yeah, I got that bit, was hoping for something a bit more technical in
|English.

conservative

  we use system stack and CPU registers for tracing root as well as
  usual language roots (global/local variables etc.). jmpbuf is used
  to access registers.

mark and sweep

  simple mark and sweep, but uses Knuth's algorithm to avoid crash for
  deep recursion.

                                                        matz.


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Jeremy Tregunna  
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 More options Oct 25 2005, 4:28 am
Newsgroups: comp.lang.ruby
From: Jeremy Tregunna <jtregu...@blurgle.ca>
Date: Tue, 25 Oct 2005 17:28:17 +0900
Local: Tues, Oct 25 2005 4:28 am
Subject: Re: Ruby's GC
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Thank you.

On 25-Oct-05, at 4:24 AM, Yukihiro Matsumoto wrote:

--
Jeremy Tregunna
jtregu...@blurgle.ca

"If debugging is the process of removing bugs, then programming must be
the process of putting them in." --Dykstra


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Clifford Heath  
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 More options Oct 25 2005, 6:48 am
Newsgroups: comp.lang.ruby
From: Clifford Heath <n...@spam.please.net>
Date: Tue, 25 Oct 2005 20:48:52 +1000
Local: Tues, Oct 25 2005 6:48 am
Subject: Re: Ruby's GC
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Jeremy Tregunna wrote:
> ... was hoping for something a bit more technical in English.

See <http://www.memorymanagement.org/> for more details on
GC algorithms. Good site.

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gabriele renzi  
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 More options Oct 25 2005, 12:12 pm
Newsgroups: comp.lang.ruby
From: gabriele renzi <surrender...@-remove-yahoo.it>
Date: Tue, 25 Oct 2005 16:12:56 GMT
Local: Tues, Oct 25 2005 12:12 pm
Subject: Re: Ruby's GC
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Jeremy Tregunna ha scritto:

> I'm curious if someone can point me to a technical description of ruby's
> garbage collector?

while we are at this, I remember a branch was created some time ago to
work on the new generational GC, are there some news or this simply
never happened and I'm crazy?

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Yukihiro Matsumoto  
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 More options Oct 25 2005, 4:43 pm
Newsgroups: comp.lang.ruby
From: Yukihiro Matsumoto <m...@ruby-lang.org>
Date: Wed, 26 Oct 2005 05:43:40 +0900
Local: Tues, Oct 25 2005 4:43 pm
Subject: Re: Ruby's GC
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Hi,

In message "Re: Ruby's GC"
    on Wed, 26 Oct 2005 01:17:03 +0900, gabriele renzi <surrender...@-remove-yahoo.it> writes:

|while we are at this, I remember a branch was created some time ago to
|work on the new generational GC, are there some news or this simply
|never happened and I'm crazy?

It's not faster than expected.  I will try again when YARV has come.

                                                        matz.


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gabriele renzi  
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 More options Oct 26 2005, 1:44 am
Newsgroups: comp.lang.ruby
From: gabriele renzi <surrender...@-remove-yahoo.it>
Date: Wed, 26 Oct 2005 05:44:11 GMT
Local: Wed, Oct 26 2005 1:44 am
Subject: Re: Ruby's GC
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Yukihiro Matsumoto ha scritto:

> Hi,

> In message "Re: Ruby's GC"
>     on Wed, 26 Oct 2005 01:17:03 +0900, gabriele renzi <surrender...@-remove-yahoo.it> writes:

> |while we are at this, I remember a branch was created some time ago to
> |work on the new generational GC, are there some news or this simply
> |never happened and I'm crazy?

> It's not faster than expected.  I will try again when YARV has come.

>                                                    matz.

Ah, I see thanks

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