Re: gtk2/pango apps taking *forever* to startup

Mon, 28 Sep 2009 12:05:50 -0700

oh, and I forgot to mention that it is certainly a pango issue since reverting pango to the last version "fixes" the problem: 
sudo port deactivate pango # 1.26.0_0+macosx+universal
sudo port activate pango @1.24.5_0+macosx+universal

--Jeremy
On Sep 28, 2009, at 12:01, Jeremy Huddleston wrote:
Is anyone else seeing performance issues with gtk2 based applications? I'm on SnowLeopard with mostly updated versions of ports (where they actually build).
xchat takes about 10 minutes to display the connections window (gtk- demo has the same issue). Here's a 30-second sample about 4 minutes into the launch (gtk-demo's sample looks the same): 

<xchat_34607.UBDJlc.sample.txt>

It's fairly deep, and here are the big tickets:

Sort by top of stack, same collapsed (when >= 5):
       hb_ot_layout_substitute_lookup        6768
       hb_ot_layout_position_lookup        6704
PosLookupSubTable::apply(_hb_ot_layout_context_t*, _hb_buffer_t*, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int) const 5438 SubstLookupSubTable::apply(_hb_ot_layout_context_t*, _hb_buffer_t*, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int) const 5191 

Is anyone else experiencing this problem?



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