[Haskell-cafe] Parallelism on concurrent?

Ian Lynagh igloo at earth.li
Tue Mar 13 20:39:18 EDT 2007

On Tue, Mar 13, 2007 at 09:41:47PM +0300, Bulat Ziganshin wrote:
> Tuesday, March 13, 2007, 9:06:31 PM, you wrote:
> > forkOS should work as well, assuming you have OS threads, like in linux 2.6.
> > You should probably be using the -smp compiler flag and not the -threaded
> > compiler flag, I'm guessing, and make sure that your +RTS arguments indicate
> > that you want to use X total concurrent threads...
> there is no need to use any
> compiler flags, because now it is default.

You do need to use -threaded, it's not the default yet.

You might be confusing this with ghc itself being built with -threaded
by default. Also, there are plans to make -threaded on by default in the


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