From: Lothar Scholz <mailinglists@...>
Date: 2004-08-27T02:19:01+09:00
Subject: Re: is the ruby interpreter stackless?

Hello Robert,


RK> "Lennon Day-Reynolds" <rcoder@gmail.com> schrieb im Newsbeitrag
RK> news:5d4c6124040824184528f7801c@mail.gmail.com...
>> Ruby uses the C stack; its continuations are implemented using
>> setjmp/longjmp. That makes the Ruby API very natural to use from C,
>> but unfortunately, also means that the stack limits of the native
>> platform apply, and that Ruby's continuations are no faster than full
>> native SMP threads.

RK> Is that really the case?  I mean, this doesn't look like "natural" stack
RK> depth limit:

RK> $ ruby -e 'def foo() foo end; begin; foo; rescue Exception => e; puts
RK> e.backtrace.size; end'
RK> 13633

Please look at "eval.c" it is not difficult to understand and much
better then guessing and writing naive tests.


-- 
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 Lothar Scholz                        http://www.ruby-ide.com
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