On Tue, May 18, 2010 at 9:30 AM, Richard Warburton < richard.warbur...@gmail.com> wrote:
> A colleague of mine pointed out that ghc wasn't performing as he > expected when optimising some code. I wonder if anyone could offer > any insight as to why its not noting this common subexpression: GHC performs almost no common subexpression elimination, the reasons being that it can introduce space leaks and undesired extra laziness.
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