On Sun, Dec 23, 2007 at 07:35:20AM -0500, Isaac Dupree wrote: > GHC optimizes less effectively when parts of a program are in different > modules, or are exported from a module. Therefore, merging all the code > into one "module Main (main)" would help. Unfortunately, Haskell source > syntax is ill-suited to this; for example: ... > So it's more complicated than it seems on the surface, but it could be > done; I only wonder how effective it would be on various programs. I > assume GHC doesn't currently implement any optimizations that can _only_ be > whole-program, so it would still not be quite like Jhc, though this basic > support might allow some such optimizations to be implemented.
It's been done. http://www.cs.utah.edu/~hal/HAllInOne/index.html Stefan
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