On 10/30/09, Joe English <jenglish@[...].com>  wrote:
> 
>   Alexandre Ferrieux wrote:
>   >
>   > 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 ?
> 
> 
>  The TIP (r1.6) still specifies:
>   [...]
>   which is the main thing I objected to.

Sigh. Chicken-and-egg...  I had hoped the discussion to take place
first, to avoid documenting something half-bolted in the TIP ;-)

>   Please update the TIP to match the implementation then ask again.

Done.

>   Also: the "flat list" representation proposed in the SF Patch
>   does not look worthwhile.  If I'm reading the timings correctly,
>   this optimization saves on the order of 3 microseconds in a process
>   that takes on the order of 100 microseconds overall.  The claim of
>   "three times faster^H^H^H^H^H^H less overhead!" seems overblown.
>   Optimizing something that takes a small fraction of the overall
>   runtime, isn't slow to begin with, and doesn't even need to be fast
>   in the first place (since it only affects error propagation),
>   just doesn't seem worth it.

OK. One clarification though: it's saving 3 usecs out of the 5 we're
about to lose. That may not be much, but doesn't sound as ridiculous
as you make it sound with 3 vs 100 ... (especially when people start
whispering about a "slower" 8.6).

Anyway, patch updated to your liking. As noted in the comments, now I
need to fix the whole test suite wherever the options dictionary value
is checked in extenso. This, by the way, makes me wonder whether it is
a good idea to let -errorstack (and -errorinfo, for that matter) land
in the options dict. I'd bet it clutters the logs when people just
print the dict for debugging...

-Alex

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