Hello Alistair, Wednesday, August 23, 2006, 1:43:30 PM, you wrote:
> I've found the folder in which I did some of this testing, and GNU diff > has no problem with the input files; they're only 7M, My program spends > 70% of its time doing String-IO (so 30% in the algorithm), and peaks at > about 350M of memory (which seems quite high, but then it does convert > the String input into STArrays). The algorithm itself takes about 18secs > on this input (wall-clock time), but the profile says a lot less CPU > time is used. > I think using ByteStrings would be a big improvement; maybe I'll find > time to try that later. as variant, you can try streams library - it's several times faster for line-oriented I/O. another solution that can also speed up your code, although not so much, is to use hGetContents and then 'lines' http://haskell.org/haskellwiki/Library/Streams http://www.haskell.org/library/StreamsBeta.tar.gz -- Best regards, Bulat mailto:[EMAIL PROTECTED] _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
