[R] simple parallel computing on single multicore machine

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri Dec 1 13:38:53 CET 2006



Millo Giovanni wrote:
> Dear List,
> 
> the advent of multicore machines in the consumer segment makes me wonder
> whether it would, at least in principle, be possible to divide a
> computational task into more slave R processes running on the different
> cores of the same processor, more or less in the way package SNOW would
> do on a cluster. I am thinking of simple 'embarassingly parallel'
> problems, just like inverting 1000 matrices, estimating 1000 models or
> the like.
> 
> I have seen some talk here on making R multi-threaded and the like, but
> this is much simpler. I am just a curious useR, so don't bother if you
> don't have time, but maybe you can point me at some resource, or just
> say "this is nonsense"...


Just use snow itself, for example.
Or on a completely other level a tuned BLAS for perallel computations 
such as ATLAS.

Uwe Ligges


> Cheers 
> Giovanni
> 
> Giovanni Millo
> Research Dept.,
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