jeremy.shaw: > At Tue, 27 Mar 2007 23:10:21 +0200, > Fawzi Mohamed wrote: > > > If someone has an idea on how else I can improve timings please tell me. > > I believe you are seeing a speed decrease, because GHC is not inlining > functions as much when you split them into modules. If you add > explicit inline statements, I think you should be able to get back to > your original timings. > > Below is an example of how to add INLINE statements. > > someFunction :: (Word8 -> Maybe Word8 -> Bool) -> B.ByteString -> B.ByteString > someFunction = ... > {-# INLINE someFunction #-} > > I am not sure what the downsides are. It probably makes the resulting > binary bigger, and takes longer to compile. Though, probably not any > worse than if you just put everything in one module? > > It might be the case that you only need to INLINE one or two functions > to get most of the speed back. >
Yes, INLINE and compile with -O2. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe