[R] R on 64-bit Linux machine

Peter Dalgaard p.dalgaard at biostat.ku.dk
Fri Nov 12 23:28:55 CET 2004

Prof Brian Ripley <ripley at stats.ox.ac.uk> writes:

> > ATLAS, you need to build shared ATLAS libraries (rather than
> > static).  This requires some modifications to the configuation files
> > for ATLAS.  But my experience shows that R itself builds out of the
> > box on these systems.
> However, you will almost certainly get better performance out of the
> Goto BLAS implementations, and they are shared (and easy to use, much
> more so than ATLAS).

I actually have different experience in the multithreaded case, at
least with my favourite "benchmark suite": inversion of a large 
matrix. I'd do some timings, but I have this ATLAS compile running
just now...

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907

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