Re: [Haskell-cafe] major speed improvement: regex-tdfa reaches 1.0.0

2009-03-02 Thread Eugene Kirpichov
Congratulations! This is really cool. And this also made me find a bug in GHC :) http://hackage.haskell.org/trac/ghc/ticket/3059 2009/3/2 ChrisK : > Announcing the version 1.0.0 release of regex-tdfa. > > I am proud of this release. > This is not just a bug fix release. > It is a serious improvem

Re: [Haskell-cafe] major speed improvement: regex-tdfa reaches 1.0.0

2009-03-01 Thread Martijn van Steenbergen
ChrisK wrote: The previous versions allowed bad combinations of pattern and searched text length to scale badly in the length of the text. Previously the worst case for text of length N was O(N^3). The new worst case asymptotic runtime scaled as O(N). There is never any backtracking. And the wo

[Haskell-cafe] major speed improvement: regex-tdfa reaches 1.0.0

2009-03-01 Thread ChrisK
Announcing the version 1.0.0 release of regex-tdfa. I am proud of this release. This is not just a bug fix release. It is a serious improvement in the asymptotic running time. The previous versions allowed bad combinations of pattern and searched text length to scale badly in the length of the t