[HarfBuzz] Amiri and OpenType performance

[Khaled Hosny]

On Mon, Apr 15, 2013 at 03:48:26PM -0400, Behdad Esfahbod wrote:
> On a private thread (which I wish was on the public list) with Konstantin we
> were measuring performance of harfbuzz-ng vs old and I noticed that shaping
> with Amiri roughly involves hundreds of lookups.  Unfortunately OpenType
> shaping runtime is at best linear in the number of lookups.  Any chance you
> can look into possibly consolidating some of those?

I didn’t consider this before, but probably I can do something. How do
you measure the performance?

Regards,
Khaled