|
| From: | Joohwa Lee |
| Subject: | [Octave-bug-tracker] [bug #61246] matrix inversions give wrong results (inv, lu, mldivide) |
| Date: | Fri, 1 Oct 2021 04:32:37 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36 Edg/94.0.992.31 |
Follow-up Comment #9, bug #61246 (project octave):
Additional evaluation showed that
In Open BLAS, "lu" does not work in Ver. 6.3.1
In Reference BLAS, lu works fine in Ver. 6.3.0
[comment #8 comment #8:]
> I have tested several Octave builds on three computer systems.
>
> 1. Intel(R) Xeon(R) Gold 5118 CPU @ 2.30 GHz 2.29 GHz (Windows 10 Pro 21H1):
Workstations (PC1, PC2)
>
> 2. Intel(R) Core(TM) i5-8250U CPU @ 1.60 GHz 1.80 GHz (Windows 10 Pro 21H1):
Notebook computer (PC3)
>
>
> Results:
> PC1: Ver. 6.3.0 (Open BLAS) gives wrong results
> PC1: Ver. 6.3.0 (Reference BLAS) gives correct results
> PC2: Ver. 6.3.0 (Open BLAS) gives wrong results
> PC2: Ver. 6.3.1 (Open BLAS) gives correct results
> PC3: Ver. 6.3.0 (Open BLAS) gives correct results
>
> I concluded that Reference BLAS or 6.3.1 will help.
> Thanks all.
_______________________________________________________
Reply to this item at:
<https://savannah.gnu.org/bugs/?61246>
_______________________________________________
Message sent via Savannah
https://savannah.gnu.org/
| [Prev in Thread] | Current Thread | [Next in Thread] |