Re: emacs rendering comparisson between emacs23 and emacs26.3

[Dmitry Gutov]

On 28.03.2020 23:08, address@hidden wrote:
> I think
> the idea with this AA-tree was improving actual font-lock with the
> AA-tree.

I don't think so. IIUC, the branch's goal was to improve the performance 
of overlays. Not text properties (which font-lock uses).

> I think a jit-highlighter would render with more
> performance.

The current font-lock engine is jit-lock, and it's usually not the 
bottleneck of our syntax functionality. The font-lock rules themselves 
are generally more CPU-intensive.