[R] optimization of R on SGI/IRIX

[Prof Brian D Ripley]

On Thu, 25 Apr 2002, Boryeu Mao wrote:

> For R-1.4.0, I have been able to build R.bin with -O2 flag.  This however
> did not yield any significant speed-up for my code.  I then tried building
> the binary for 64 bit, but had not been able to configure the build; none of
> the suggestions that I can find in the r-help search worked for me.  I'm
> looking for any other suggestions -- TIA
>
> mod:>> uname -a
> IRIX64 mod 6.5 10100655 IP35

R 1.4.1 (at least) has suggestions in the R-admin.texi manual for IRIX 6.5.
Given the imminence of R 1.5.0 we would suggest that you work with
the R-devel.tar.gz version in preparation for the release on Monday, and
definitely not with the version-before-last.

-- 
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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