bos: > On Tue, Aug 12, 2008 at 5:13 PM, Tim Newsham <[EMAIL PROTECTED]> wrote: > > > The data type I'm storing is a Map (of maps): > > > > type DailyDb = M.Map Date Daily > > type InstrsDb = M.Map String DailyDb > > > > What's going on here? > > The default marshalling scheme that Binary uses for lists and maps > (which are flattened to lists before writing out) is not streamable. > Instead of writing out data in chunks, it computes the length of the > list and writes that, followed by the elements. Presumably on the read > side, a huge thunk is being built up before any actual Map creation > starts.
Maybe it makes sense to have the streamble list instance in Binary as well, with some examples? -- Don _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
