From ripley at stats.ox.ac.uk  Thu Mar 25 13:44:28 2004
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Thu Mar 25 13:44:33 2004
Subject: [Rd] compilers for R on AMD64
In-Reply-To: <3A822319EB35174CA3714066D590DCD504AF7A8F@usrymx25.merck.com>
Message-ID: <Pine.LNX.4.44.0403251239300.21488-100000@gannet.stats>

It's the Portland Group compilers which were recommended to us, and which 
we have been benchmarking as up to 50% faster than g77.

http://www.pgroup.com/

If you (Andy) want to email hutchins@stats.ox.ac.uk she can put you in 
touch with our local expert.

On Thu, 25 Mar 2004, Liaw, Andy wrote:

> A while ago Prof. Ripley had mentioned that g77 on AMD64 isn't the greatest,
> and the Salford Fortran is likely to be better.  My question is, has anyone
> tried compiling R with Salford compilers (or other commercial compilers)?
> If so, do they offer performance advantages over GCC?

-- 
Brian D. Ripley,                  ripley@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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


[Rd] compilers for R on AMD64
Prof Brian Ripley