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Re: [Chicken-users] CHICKEN hang / crash / memoize egg
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From: |
Kooda |
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Subject: |
Re: [Chicken-users] CHICKEN hang / crash / memoize egg |
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Date: |
Fri, 01 Apr 2016 16:36:09 +0200 |
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User-agent: |
Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (Gojō) APEL/10.8 EasyPG/1.0.0 Emacs/24.4 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
On Fri, 01 Apr 2016 16:28:26 +0200,
Andy Bennett wrote:
>
> Hi Peeps!
>
> I'm running CHICKEN 4.9.0rc1 and I'm trying out the memoize egg.
>
> I saw the tail-call-optimized version of the factorial procedure in the
> memoize documentation at http://api.call-cc.org/doc/memoize and I've
> been trying to modify it so that it memoizes intermediate results such
> that, for example, a call to (fact 10) makes a subsequent call to (fact
> 9) fast.
>
> In doing so I've managed to get the interpreter into a loop or crash it
> entirely.
>
This looks like a perfectly legitimate crash. The memoize egg doesn’t
impose a limit on memory usage unless you explicitly tell it so.