How to ease the burden on the Garbage Collector?

[Gabriel Zachmann]

I'm writing a simple screensaver that is basically kind of a slide show screensaver. (So it loads many images over time, but needs to keep only 2-3 in memory at any given time.)

I am using Core Animation for some animations on the images.







Is there anything I can do to alleviate the burden on the GC?
(The code was written under 10.5 in the reference-counted model.)

Regards,
Gabriel.

I've just profiled the screensaver under 10.6 using Shark on a dual- core MacBookPro. It seems that about 20% of the time is spent in the Garbage Collector thread! Which is a bit surprising to me, since I don't allocate a large number of objects (I think) -- just a small number of large objects (the images).

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