On Sunday, September 5, 2010, David Kirkby <david.kir...@onetel.net> wrote:
> On 18 August 2010 19:39, mmarco <mma...@unizar.es> wrote:
>> Some time ago i tried to compile sage on a nokia n900 (it is arm
>> architecture, like most android devices), over a debian-arm chroot
>> inside the native maemo OS. the compilation process went on for
>> several hours, but it crashed eventually. IIRC, the problem i found
>> was with the atlas library, which aparently cannot be compiled over
>> arm.
>
> That may not be such a big problem as you think. There are ATLAS is a
> set of optimised routines for which there are much simpler
> non-optimised versions. Some are already in Sage, such as BLAS, Lapack
> etc. These are relatively simple C or Fortran programs, so it may be
> possible to circumvent the ATLAS problem.
>

It definitely is.  The gsl blas is much simpler and can be used
instead.  We did this in sage for a year before including atlas.

> Another attack may be to get ATLAS to build on ARM. The fact it builds
> on so many different systems suggests it might not be too difficult to
> sort out the issues.
>
> Dave
>
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-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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