[R] fastest R platform

[Prof Brian D Ripley]

On Mon, 9 Apr 2001 aperrin at socrates.berkeley.edu wrote:

> I haven't looked into this with R in particular, but with some textual
> analysis software I developed in perl, the same job ran about 3.5x faster
> on the same hardware running linux over running Windows NT.  The hardware
> was much slower than yours (Pentium 150, 96M RAM).  The linux variant was
> Debian potato (2.2r2).  YMMV.

However, R runs its tests and my scripts between 5% and 20% slower on
Windows NT/2000 than on linux RH6.2, usually nearer 5%.  I've never seen
anything like that using Perl: were you using a local disk configured to
use NTFS with plenty of free space?  (FAT file systems on NT are much
slower.)

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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