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During some recent memory profiling I was reacquainted with just how many ways there are to unknowingly allocate an object in AS3. The problem is seldom the allocation itself, but rather the later garbage collection (GC) to delete those objects. Ever used a Flash profiler only to see a huge chunk of your CPU time going to [reap], [mark], or [sweep]? Yeah, that’s the GC at work. Today’s article talks about some of the ways you end up allocating objects in AS3 without using the new keyword. These subtle errors can end up costing you!

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