--- On Thu, 6/10/10, Don Stewart <[email protected]> wrote:
> From: Don Stewart <[email protected]> > Subject: Re: [Haskell-cafe] Problems with threading? > To: "Louis Wasserman" <[email protected]> > Cc: [email protected], "Haskell Café List" <[email protected]> > Date: Thursday, June 10, 2010, 11:36 AM > wasserman.louis: > > > > There are 4 sets of "rankings" > so - > > > > http://shootout.alioth.debian.org/u64/program.php?test=threadring〈=ghc&; > > id=3 > > > > > > Yes, but Haskell used to be doing much better > specifically on the u64q, which > > was why I was surprised. > > Oh, indeed, > > http://shootout.alioth.debian.org/u64q/performance.php?test=threadring > > Something broke. > > 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? _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
