[Beowulf] Audio simulation as an example of demanding computational tasks

Vincent Diepeveen diep at xs4all.nl
Tue Nov 6 04:48:27 PST 2012

On Nov 6, 2012, at 1:01 PM, Eugen Leitl wrote:

> On Tue, Nov 06, 2012 at 02:24:36PM +1100, Robin Whittle wrote:
>> One day I will attempt to do some of the above.  As far as I know,  
>> the
>> best approach will be to initially use a single server with as many
>> CPU-cores as I can get, with as much RAM as possible.  I would  
>> split the
>> workload up with threads or MPI.  I guess that threads would be more
>> efficient and easy to debug, but MPI means the software could work  
>> on a
>> cluster of such machines - and so be applicable to much larger tasks.
> What's wrong with volume-based modelling? The space is finite,
> the resolution pretty coarse, so just model the wave propagation.

Interesting is to calculate that what a sharp human ear can actually  
All the frequencies human ear cannot hear are not so interesting  
except if
it creates other physical effects.

So 99% of the calculations you can already skip.

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