[erlang-questions] Re: Erlang: Who uses it for games?

Joe Armstrong <>
Mon Feb 7 16:27:36 CET 2011


On Thu, Jul 8, 2010 at 9:54 AM, ingo.schramm <>wrote:

> Great! So many Erlang gamers out there!
>
> Somebody told me, a Battlestar Galactica browser game is backed up by
> an Erlang engine.
>
>
There's a article about this here:

http://www.theregister.co.uk/2011/02/05/battlestar_galactica_mmp/


/Joe


On Jul 8, 2:05 am, "Richard O'Keefe" <> wrote:
> > On Jul 8, 2010, at 4:27 AM, Nicholas Frechette wrote:
> >
> > > hand optimize code which will require C++/assembly) and not so much
> > > on the
> > > PS3 where you may get a hard time using the SPUs from erlang (as I'm
> > > guessing the VM won't run on them out of the box and you might have
> > > to spend
> > > considerable time to get erlang processes to run on SPUs (feasible I'm
> > > sure)).
> >
> > It's not clear that it _is_ feasible in any interesting sense.
> > The SPUs are essentially numeric vector engines.  They have 128
> > registers, each 128 bits wide; loads are only 128 bits (16 bytes)
> > and stores are only 128 bits (16 bytes).  Memory is byte addressed
> > and addresses are 32 bits, but the 2009 manual talks about 256 kB.
> >
> > One could imagine SPU _nodes_ doing vector crunching that Erlang
> > processes running on the PPU communicated with as if Erlang.  But
> > Erlang would not be the language of choice for programming SPUs.
> > (An APL dialect would be ideal, or Fortran 95.)
> >
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