Re: [Haskell-cafe] Is there a library that has a strict version of `sum`?

I have to sum up values in different lists, and as soon as I try this with large lists the memory usage blows up.

did you try splitting the list in chunks and summing those chunks? there is this chunksOf function: http://hackage.haskell.org/package/containers-0.6.0.1/docs/Data-Sequence.htm...