Re: [Sbcl-devel] Odd

[Marco A. <ma...@cs...>]

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> Cc: Marco Antoniotti <ma...@cs...>, sbc...@li...
> From: "Pierre R\. Mai" <pm...@pm...>
> Date: 15 May 2002 02:58:05 +0200
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> 
  ...
> 
> FWIW, when we added the option of disabling TCE (people where
> screaming and jumping up and down that that was very important for
> debugability, and CMUCL until 18d didn't have a way of turning TCE
> off!), people actually wanted the default to be disabled TCE
> (something that I have great sympathy for, and think is the right
> thing, for SBCL).  Since I'm such a dull stickler for stability, and
> not changing documented (see CMUCL user-manual on TCE) behaviour, I
> was adamant that the default behaviour should not change.  I prevailed
> (so Marco can thank me now ;), 

Thanks :)

> which is why TCE is only disabled for
> debug > 2 (debug = 2 is the default in CMUCL).

 ...

> b) It illustrates quite nicely that depending on TCE being done is
>    quite dangerous, even when only porting between releases of a
>    fairly conservative implementation, that actually documented when
>    it does TCE.

Yep.  In some sense I was naive and didn't RTFM of LW.  Somehow I just
expected that a commercial implementation should be as good as CMUCL.
Then I coincidentally read William's note here... you know the rest.

...

Cheers


-- 
Marco Antoniotti ========================================================
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