Here are some numbers:
10.5 75270ms
10.6 Core Text 77191ms
10.6 ATSUI 73293ms
These were calculated by running PageCyclerTest.Intl2File 3 times on each
platform, summing the times reported for the individual tests and then
averaging over the 3 runs. I'm not sure these actually represent
interesting numbers.
The extra speediness in 10.6 ATSUI may be due to it ignoring certain parts
of the font hinting data leading to the bug this is all in place to fix.
Best regards,
Jeremy
On Mon, Dec 14, 2009 at 6:46 PM, Mark Mentovai <m...@chromium.org> wrote:
> Jeremy Moskovich wrote:
> > Yep, Avi's right - we don't really have that option here. ATSUI is
> > deprecated in 10.6 - we're seeing crashes and incorrect rendering.
> > If there are perf issues we can file radars against Core Text.
>
> We should at least know what this change does to us perf-wise. If
> we're not happy with the outcome, there may be things we can tune on
> our side or things that we can press on Apple to investigate on the
> CoreText side.
>
> Mark
>
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