andrewcoppin: > Donald Bruce Stewart wrote: > >bf3: > > > >>Maybe this is yet another newbie stupid question, but do you mean that > >>GHC does automatic multi-threading? (Haskell seems very suitable for > >>that) Otherwise adding an extra core does not really help does it? > > > >No, though that would be nice! You do have to program in a parallel > >manner, either by using forkIO, Control.Parallel, or parallel arrays. > >When you do, you have the option of such code scaling up to more cores > >relatively easily. > > > >My advice: starting writing threaded code now, with *lots* of threads, > >so your program will have the ability to start using +RTS -N16 when you > >get a new machine :) > > > > I read somewhere that GHC's SMP support has been "tested up to 40 cores". > > Pray tell me, what the heck kind of machine has 40 cores? (And where can > I buy mine from?? :-D LOL!)
40 cpus. It's a midrange Sun Fire server, something like this one http://www.sun.com/servers/midrange/sunfire_e6900/index.xml You'll need more than spare change to get started though. *However* 8 core amd64 machines are practically commodity boxes now. Go get one. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe