[Rd] R Installation Manual - ATLAS BLAS guidance that is not in the current version

From: Adler, Avraham <Avraham.Adler_at_guycarp.com>
Date: Wed, 09 May 2012 13:54:17 -0500


Good afternoon.

I am trying to compile a version of Rblas.dll based on ATLAS for the Corei7. I had remembered that there was mention of which file to adjust and that "xerbla" needed to be removed from one of the outputs from the last time I tried a few years ago. The most recent version of the R Installation manual does not say anything about this. An older version (2.10 I believe) has the following text:

      Optionally, you can install a version of ATLAS
      (`math-atlas.sourceforge.net'
      (http://math-atlas.sourceforge.net/)) tuned to your system for
      fast linear algebra routines. Pre-built `Rblas.dll' for various
      Pentium and AthlonXP chips are available in the

`windows/contrib/ATLAS' area on CRAN. If you are building R from
source, there are macros `USE_ATLAS' and `ATLAS_PATH' in the file
`MkRules'. Set `USE_ATLAS = YES' and `ATLAS_PATH' to where the
ATLAS libraries are located. You will need to make the libraries yourself(1): none of the binaries we have seen are compiled for the correct compiler. Since R has its own `xerbla' it is best to delete that in ATLAS by ar d /path/to/libf77blas.a xerbla.o

Would it be possible to restore the above information to the next version of the manual for future reference, please?  

Thank you,

Avraham Adler



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