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MyASPN >> Mail Archive >> tcl-core
tcl-core
Re: [TCLCORE] CFV TIP #348 - Substituted 'errorStack' / 'traceback'
by Alexandre Ferrieux other posts by this author
Oct 30 2009 10:03AM messages near this date
Re: [TCLCORE] CFV TIP #348 - Substituted 'errorStack' / 'traceback' | Re: [TCLCORE] CFV TIP #348 - Substituted 'errorStack' / 'traceback'
Hi,

Does the absence of reactions mean that #348 moved from half- to fully
baked, and that in case a CFV were issued now, it would encounter
nothing but heartful YESses ?

If not, please express your objections/opinions/extra criteria here and now.
(input is needed anyway to decide on the alternative below)

-Alex

> 
>  Patch extended to allow measurement of the faster construction of
>   errorstack as a flat list.
>   Timing results at the same place:
> 
> 
>   https://sourceforge.net/tracker/index.php?func=detail&aid=2868499&group_id=10894&atid=310
894
> 
> 
>  Also, an I tried the Lisp-like linked list approach (each cell being a
>   Tcl_Obj), only to discover that it didn't gain any speed. So the final
>   choice is the following:
> 
>       (1) [use==2]: [info errorstack] + options dicts + nested list, <5% slowdown
> 
>       (2a) [use==6]: [info errorstack] + options dicts + flat list, <2% slowdown
> 
>       (2b) [use==5]: [info errorstack] + postprocessed nested list, <2% slowdown
> 
>   I am hereby asking you to argue on this choice, even if you don't have
>   time to review the code.
> 
>   -Alex
> 

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