bug#31138: Native json slower than json.el

[Philipp Stephani]

Am So., 21. Apr. 2019 um 12:24 Uhr schrieb yyoncho <yyoncho@gmail.com>:
>
> Hi Eli,
>
>>
>> In any case, even if decoding takes 50% of the time we spend in Emacs
>> code, it is still not significant enough to justify the un-safety of
>> using a string that we didn't decode, because if that string ever
>> includes raw bytes, Emacs will surely crash.
>
>
> IMO if validation of the data that comes from external libraries is taking a 
> lot of time then it does not make sense to use external libraries at all when 
> we are aiming for performance gains.


There's no need to validate Jansson's output because it already
validates that the input is valid UTF-8, and never generates invalid
strings.