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

Ketil Malde ketil at malde.org
Tue May 13 15:09:50 EDT 2008

"Neil Mitchell" <ndmitchell at gmail.com> 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 CPU-bound)
using a lazy bytestring tokenizer and Parsec on top of that.  Of
course, it probably depends on the complexity of the parsing...

If I haven't seen further, it is by standing in the footprints of giants

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