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Re: What limits the largest size of matrix?
From: |
John W. Eaton |
Subject: |
Re: What limits the largest size of matrix? |
Date: |
Fri, 05 Oct 2007 12:00:19 -0400 |
On 5-Oct-2007, Michael Creel wrote:
| At one point in the past I tried to use --enable-64, but
| got poor results. If this is expected to work well with 2.9.14, I'd be happy
| to try it again.
If you compile with --enable-64, you will see the following message at
the end of the configure run:
configure: WARNING: You used the EXPERIMENTAL --enable-64 option.
configure: WARNING: Are you sure that is what you want to do?
configure: WARNING:
configure: WARNING: You must ensure that the Fortran compiler generates
configure: WARNING: code with 8 byte signed INTEGER values, and that your
configure: WARNING: BLAS and LAPACK libraries are compiled to use 8 byte
configure: WARNING: signed integers for array indexing.
In addition to the library/compiler issues, there are a number of
other things that are not comletely implemented. People who are
interested in seeing a fully functional 64-bit aware version of Octave
are encouraged to contribute.
jwe
Re: What limits the largest size of matrix?, Jordi GutiƩrrez Hermoso, 2007/10/04