[Haskell-cafe] Parsec3 performance issues (in relation to v2)

2008-05-13 Thread Neal Alexander
Just a heads up - i only have a month or so experience with Haskell, so alot of these issues may be my own fault. Anyway, the log file that i'm parsing uses English grammar, and the performance really dropped just by upgrading to Parsec3. I was hoping to use the ByteString support to boost

Re: [Haskell-cafe] Parsec3 performance issues (in relation to v2)

2008-05-13 Thread Neil Mitchell
Hi Anyway, the log file that i'm parsing uses English grammar, and the performance really dropped just by upgrading to Parsec3. I was hoping to use the ByteString support to boost the speed of already slow code, but had no such luck. It basicly went from Ugh, this is kinda slow to U i'm

Re: [Haskell-cafe] Parsec3 performance issues (in relation to v2)

2008-05-13 Thread Ketil Malde
Neil Mitchell [EMAIL PROTECTED] writes: I think it is known that Parsec 3 is slower than Parsec 2, as a result of the increased generality. I know that in the past someone was working on it, but I am not sure if they ever got anywhere. I got pretty good performance (IMHO - about 10MB/s, still