Re: [Rd] R 2.15.2 make check failure on 32-bit --with-blas="-lgoto2"

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Fri, 26 Oct 2012 17:15:55 +0100

On 26/10/2012 16:37, Paul Gilbert wrote:
> Is --with-blas="-lgoto2" a known problem (other than possibly not being
> the preferred choice)?

And what precisely is it? And what chipset are you using?

> I thought I had been testing RC with the same setup I regularly use, but
> I now see there was a slight difference. I am now getting the following
> failure in make check on 32-bit Ubuntu 12.04, configuring with
> --with-blas="-lgoto2". (These may not be surprising statistically or
> numerically, but it is a bit disconcerting when make check fails.)

No failure shown here ... surely you know that the signs of principal components are not determined?

And 32-bit platforms seem prone to round in different ways (to each other and to 64-bit platforms): the differences in the last digit are typical of 32-bit platforms.

> ...
> Testing examples for package ‘stats’
> comparing ‘stats-Ex.Rout’ to ‘stats-Ex.Rout.save’ ...
> 2959c2959
> < N:K 1 33.13 33.13 2.146 0.16865
> ---
> > N:K 1 33.14 33.14 2.146 0.16865
> 12782c12782
> < Murder -0.536 0.418 0.341 0.649
> ---
> > Murder -0.536 0.418 -0.341 0.649
> 12783c12783
> < Assault -0.583 0.188 0.268 -0.743
> ---
> > Assault -0.583 0.188 -0.268 -0.743
> 12784c12784
> < UrbanPop -0.278 -0.873 0.378 0.134
> ---
> > UrbanPop -0.278 -0.873 -0.378 0.134
> 12785c12785
> < Rape -0.543 -0.167 -0.818
> ---
> > Rape -0.543 -0.167 0.818
> 12943c12943
> < 6 -0.5412 20.482886 -0.845157
> ---
> > 6 -0.5412 20.482887 -0.845157
> 14481c14481
> < Sum of Squares 780.1250 276.1250 2556.1250 112.5000 774.0937
> ---
> > Sum of Squares 780.1250 276.1250 2556.1250 112.5000 774.0938
> 15571c15571
> < Murder -0.54 0.42 0.34 0.65
> ---
> > Murder -0.54 0.42 -0.34 0.65
> 15572c15572
> < Assault -0.58 0.27 -0.74
> ---
> > Assault -0.58 -0.27 -0.74
> 15573c15573
> < UrbanPop -0.28 -0.87 0.38
> ---
> > UrbanPop -0.28 -0.87 -0.38
> 15574c15574
> < Rape -0.54 -0.82
> ---
> > Rape -0.54 0.82
> Testing examples for package ‘datasets’
> comparing ‘datasets-Ex.Rout’ to ‘datasets-Ex.Rout.save’ ... OK
> ...
>
> I inadvertently seemed to have set things slightly differently while
> testing RC. While testing the RC, I was using
> ./configure --prefix=/home/paul/RoboRC/R-test/ --enable-R-shlib
>
> and configure gave
> ...
> External libraries: readline
> Additional capabilities: PNG, NLS
> Options enabled: shared R library, shared BLAS, R
> profiling, Java
>
> whereas with the release I used
> ./configure --prefix=/home/paul/RoboAdmin/R-2.15.2 --enable-R-shlib
> --with-blas="-lgoto2"
>
> and configure gave
> ...
> External libraries: readline, BLAS(generic)
> Additional capabilities: PNG, NLS
> Options enabled: shared R library, R profiling, Java
>
> Thanks,
> Paul
>
> ______________________________________________
> R-devel_at_r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

-- 
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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Fri 26 Oct 2012 - 16:18:40 GMT

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