[PD] overall horrible performance in OS X

[bsoisoi]

Hey guys,

This has been rehashed again and again, but it's worth bringing up  
once more.

I've attached an example patch "sample-test-01.pd" and it's  
dependencies.  On my dual core 2.4ghz Macbook Pro (4gb ram, 10.5.1, pd  
extended 40.3-2007-12-07), I hit 21-27% cpu load

On my work machine, a 1.8ghz single core P4 running windows XP, the  
cpu load is negligible (around 0-1%).

I've seen this pattern before, and I anticipate Linux users will  
experience negligible CPU load as well with this example patch.  This  
difference is pretty extreme, my notebook tests well on Geekbench and  
other benchmarks, but why is the performance so poor with Pd?
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I appreciate any insight you can give,
~bsoisoi