[HarfBuzz] Amiri and OpenType performance

[Behdad Esfahbod]

On 13-04-15 06:21 PM, Khaled Hosny wrote:
> On Mon, Apr 15, 2013 at 10:37:05PM +0200, Khaled Hosny wrote:
>> On Mon, Apr 15, 2013 at 04:20:09PM -0400, Behdad Esfahbod wrote:
>>> BTW, disabling 'kern' makes it more than twice faster!
>>
>> Aha. Looks like my support for subtending marks is totally inefficient,
>> it amounts for half the processing time! I guess I know where to look
>> now.
> 
> Half of the kern overhead is from the duplication to support subtending
> marks in both HarfBuzz and Uniscribe (I tried using ltra/rtla but that
> doesn’t work). I’m still thinking of a more efficient way to do it.

Can you elaborate a bit?  I like to better understand this, and hopefully we
can also find a better way to do it.

behdad


> Regards,
> Khaled
> 

-- 
behdad
http://behdad.org/