Hi,
I guess if the size of your list doubles each iteration, it wouldn't take very long to run out of memory (you're using an amount of memory that is exponential in the number of iterations) but certainly 8 iterations seems fast. Are you using tail recursion? Otherwise you might blow the stack.
Have you tried debugging? Are any exceptions thrown? Is your application actually crashing or is it just hanging, and do you get the "Application is not responding" dialog box?
A bit of code that produces the problem is likely to get better responses.
Kurt
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I'm hitting some performance issue with various recursive functions that operate on lists. What happens is that I can recurse a function, say, 8 times and the application works fine. But if I recurse it an extra time, the application hangs and the Vista dialog saying the application has stopped working shows up.
The functions perform an iterative operation on a list. At each iteration the size of the list is no more than doubled, and the initial list is small. I ran the application in the CLR Profiler but I couldn't make heads or tails of anything (who knows what the hell those graphs mean??) My best guess is that the intermediate lists aren't being garbage collected and hence accumulate and take up RAM... but even in total the lists shouldn't take up more than 10k-ish elements.
So the question is: Is there something I have to watch out for? These are lists of strings. Is the compiler unable to do certain optimizations on .NET types? Is pattern matching a no-no on large lists?