Re: [Haskell-cafe] Slow IO?

I've uploaded a new version of bytestring-nums that, while still slower than the fast/custom codes, allows Eugene's earlier program to a little more than 20% faster than it did before. It no longer handles spurious characters in the input by skipping over them (this is probably not a common requirement, anyways). http://hackage.haskell.org/package/bytestring-nums-0.3.0 I suspect that splitting the string into pieces and then mapping the parser over the pieces will never be faster than an all-in-one parser/tester/incrementer like the fast programs have. -- Jason Dusek