Re: [Haskell-cafe] newbie questions (read, etc., with Data.ByteString.Lazy.Char8)

666wman:

just for the kicks i tried the new version of bytestring without -O2 and the results were even worse:

Note that without -O or -O2 no strictness analysis is performed. So that tail recursive loop ... won't be. You could try -Onot -fstrictness just for kicks, to see why strictness analysis is important when writing in a tail recursive style. -- Don