Re: [Help-glpk] testing glpk 4.46 on 64-bit platform

[Andrew Makhorin]

Hi Xypron,

> the GLPK 4.46 preview compiles fine under Debian Squeeze amd64.
> Windows 64 bit still to be done.

Thank you very much for testing.

> 
> http://miplib.zib.de/download/10teams.mps.gz
> is solved to optimality
> 
> http://miplib.zib.de/download/stp3d.mps.gz
> can be loaded, but even a LP solution is not found in reasonable time.

Many instances in miplib-2003 are very hard. In particular, stp3d is
extremely hard due to its size (159488 rows, 204880 binary variables).

> 
> Check and export to gzip run fine.
> 
> The following issues are not resolved in the preview of GLPK 4.46:
> http://lists.gnu.org/archive/html/bug-glpk/2010-06/msg00010.html
> http://lists.gnu.org/archive/html/bug-glpk/2010-04/msg00004.html
> http://lists.gnu.org/archive/html/bug-glpk/2010-05/msg00000.html
> http://lists.gnu.org/archive/html/bug-glpk/2010-12/msg00001.html
> http://lists.gnu.org/archive/html/help-glpk/2010-09/msg00060.html
> http://lists.gnu.org/archive/html/bug-glpk/2011-01/msg00000.html
> http://lists.gnu.org/archive/html/help-glpk/2011-02/msg00049.html

Thanks for reminder. Working on it.


Best regards,

Andrew Makhorin