"Basil L. Contovounesios" <contovob@tcd.ie> writes:

> The attached patch speeds up json-encode by inserting into a buffer
> rather than concatenating strings.  It does so backward compatibly by
> creating a new json--print-* namespace that mirrors the existing
> json-encode-* namespace, cleaning it up a bit and reducing code
> duplication in the process.
>
> Using my usual benchmark from bug#40693#89:
>
>   canada.json
>   old (1.412693239 96 0.736882091)
>   new (1.154423962 32 0.248241551)
>
>   citm_catalog.json
>   old (0.676292855 68 0.5285956769999993)
>   new (0.306573098 12 0.0965493740000003)
>
>   twitter.json
>   old (0.353447016 40 0.28536439900000055)
>   new (0.142140227  8 0.05943713899999992)

This additional change: