[linux-audio-user] Re: slightly OT: supercomputer music

From: Loki Davison <loki.davison@email-addr-hidden>
Date: Wed Mar 08 2006 - 01:37:16 EET

On 3/8/06, Joshua Boyd <jdboyd@email-addr-hidden> wrote:
> On Sun, Mar 05, 2006 at 06:30:14PM +1100, Loki Davison wrote:
> > physical modeling. It still chews TONS of cpu. However, supercomputer
> > means non-realtime music (realtime and mpi? i don't think so.) and you
> > can do physical modeling offline fine on a normal machine. So well,
> > not very much.
> There is more than MPI for super computing though. There are still
> vector machines, and there are still NUMA style machines like Origins,
> Altixs, or those large POWER or SPARC machines. I don't know that any
> of those are suitable for realtime either, but unless the answer is
> already known, they would be fun to explore for such purposes.

Well, think about the name NUMA. If you don't have a deterministic
memory access time then realtime is somewhat difficult.

> Also, I wonder about clusters that don't use MPI. I seem to recall an
> organ system that used a cluster of PCs for physical modelling. Does
> anyone know how the different nodes communicated? I think it might have
> been something like master->node->audio output, where each node only
> modelled the pipes that it was responsible for outputing.

i'd guess so, so not really programmed as a cluster but more in an osc style.

> --
> Joshua D. Boyd
> jdboyd@email-addr-hidden
> http://www.jdboyd.net/
> http://www.joshuaboyd.org/
Received on Wed Mar 8 04:15:06 2006

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