sedillard: > Hi, > > I've got a library that I'm in the process of uploading to hackage > (waiting for account) but the darcs repo is here: > > [1]http://graphics.cs.ucdavis.edu/~sdillard/Vec > > I notice a slight drop in performance when I install the library using > cabal. Maybe 10-20%, on one particular function. This is in comparison to > when the library is 'local', as in, the source files are in the same > directory as the client application.
Lack of unfolding and inlining when compiled in a package? Try compiling with -O2, for maximum unfolding. > What could be causing the performance drop? The function in question > requires impractical amounts of inlining (This is something of an > experiment), but I don't see how installing it as a library affects that. > The functions to be inlined are small, surely available in the .hi files. You can check this via -show-iface > Its only when they are applied do they agglomerate into a big mess - > 80-200K lines of core. > > The function in question is invertMany in examples/Examples.hs. -- Don _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
