Christian Burisch wrote: > Thanks Adam. One reason I use Lua instead of C is for the easy sparse arrays. > I am not sure I ought to bore the whole mailing list with this. Well, I guess you'll have to explain a bit more about what kind of data processing you do, what data structures you use, what's the typical type and size of your objects and so on. That's the only way we can help. I'm sure there's a solution for your use case. --Mike