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bug#31138: Native json slower than json.el

From: yyoncho
Subject: bug#31138: Native json slower than json.el
Date: Sun, 21 Apr 2019 13:23:28 +0300

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.


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