Re: Parallel Haskell: 2-year project to push real world use

2010-05-08 Thread Tyson Whitehead
On May 3, 2010 08:04:14 Johan Tibell wrote: On Mon, May 3, 2010 at 11:12 AM, Simon Peyton-Jones simo...@microsoft.comwrote: In truth, nested data parallelism has taken longer than we'd hoped to be ready for abuse :-). We have not lost enthusiasm though -- Manual, Roman, Gabi, Ben, and I

Re: -O vs. -O2

2010-05-08 Thread Duncan Coutts
On Wed, 2010-05-05 at 21:24 +1000, Roman Leshchinskiy wrote: Whenever I do cabal sdist on one of my projects, I get this warning: Distribution quality warnings: 'ghc-options: -O2' is rarely needed. Check that it is giving a real benefit and not just imposing longer compile times on your

Re: -O vs. -O2

2010-05-08 Thread Don Stewart
duncan.coutts: On Wed, 2010-05-05 at 21:24 +1000, Roman Leshchinskiy wrote: Whenever I do cabal sdist on one of my projects, I get this warning: Distribution quality warnings: 'ghc-options: -O2' is rarely needed. Check that it is giving a real benefit and not just imposing longer