[Haskell-cafe] Problems with threading?

[Isaac Gouy]

--- On Thu, 6/10/10, Don Stewart <dons at galois.com> wrote:

> From: Don Stewart <dons at galois.com>
> Subject: Re: [Haskell-cafe] Problems with threading?
> To: "Isaac Gouy" <igouy2 at yahoo.com>
> Cc: "Louis Wasserman" <wasserman.louis at gmail.com>, "Haskell Café List" <haskell-cafe at haskell.org>
> Date: Thursday, June 10, 2010, 12:54 PM
> igouy2:
> > > Simon Marlow described how best to parallelize
> this problem
> > > extensively
> > > in:
> > > 
> > >     http://www.haskell.org/~simonmar/bib/multicore-ghc-09_abstract.html
> > > 
> > > So I'd suggest doing what he says.
> > > 
> > > In particular, use thread pinning to improve
> locality.
> > 
> > -qw -qm ?
> > 
> > How's that going to work out when applied to the other
> Haskell programs?
> > 
> 
> I'm sure it does bad things to them. 


Yep, earlier in the week I measured the programs using +RTS -N4 -qw -qm which is why I wonder how you would approach programs that have a mix of performance characteristics? Maybe there aren't large Haskell programs like that?