HarfBuzz performance problem

Kohei Yoshida kohei.yoshida at collabora.com
Tue Apr 15 20:02:57 PDT 2014

Hi there,

This bug


reveals that our HarfBuzz based text rendering is quite expensive.  I
tried to do what I could on the Calc side to lessen the impact of this
problem.  I've made some improvement, but I've hit my roadblock.

I was wondering if anyone who is more familiar with HarfBuzz could
suggest any good idea on how to improve this further.


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