Re: The Lua 5.1(work) GC

[John Belmonte <john@...>]

Roberto wrote:
> > Incremental GC (the subject of this thread) is there to reduce worst 
> > case memory and CPU usage.
>
> I'm not sure about that. It seems much easier to ensure worst-case
> memory with a mark-and-sweep collector. CPU usage (average) also seems
> to increase with an incremental GC, due to higher administrative
> overhead.

I think you are right about the memory usage, but the incremental GC 
benefits to worst case CPU usage are clear.  I'm talking about peak GC 
CPU usage per unit of time of course (such as the duration of a graphics 
frame), not total GC CPU usage over the lifetime of the application.

-John


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