Repository : ssh://[email protected]/ghc On branch : master Link : http://ghc.haskell.org/trac/ghc/changeset/32ee9b3ef4f4ab5f6aa1159806d9cb8ca741d811/ghc
>--------------------------------------------------------------- commit 32ee9b3ef4f4ab5f6aa1159806d9cb8ca741d811 Author: Simon Peyton Jones <[email protected]> Date: Tue Sep 10 11:38:31 2013 +0100 Improve -flate-dmd-anal documentation >--------------------------------------------------------------- 32ee9b3ef4f4ab5f6aa1159806d9cb8ca741d811 docs/users_guide/using.xml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml index b9cbe3e..1a03f2c 100644 --- a/docs/users_guide/using.xml +++ b/docs/users_guide/using.xml @@ -2134,7 +2134,11 @@ f "2" = 2 </term> <listitem> <para><emphasis>Off by default.</emphasis>Run demand analysis - again, at the end of the simplification pipeline + again, at the end of the simplification pipeline. We found some opportunities + for discovering strictness that were not visible earlier; and optimisations like + <literal>SpecConstr</literal> can create functions with unused arguments which + are eliminated by late demand analysis. Improvements are modest, but so is the + cost. See notes on the <ulink href="http://ghc.haskell.org/trac/ghc/wiki/LateDmd";>Trac wiki page</ulink>. </para> </listitem> </varlistentry> _______________________________________________ ghc-commits mailing list [email protected] http://www.haskell.org/mailman/listinfo/ghc-commits
