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Re: Octave for Windows - OpenBLAS and Portable Mode

From: Royi Avital
Subject: Re: Octave for Windows - OpenBLAS and Portable Mode
Date: Sat, 5 Aug 2017 20:56:55 +0000 (UTC)


When I run Octave for the first time (Using octave.bat) it creates configuration files inside my User Folder.
I tried changing the Environment Variable USERPROFILE into a different path but it seems octave-gui.exe won't use what set in octave.bat.

Is there anyway to make Octave use user defined folder for all of its configuration files?
Could it be inside Octave installation folder to begin with?

Thank You.

P. S.
Why don't you use OpenBLAS as the default BLAS library to begin with?

On Tuesday, February 14, 2017, 9:10:35 AM GMT+2, Tatsuro MATSUOKA <address@hidden> wrote:

----- Original Message -----
>From: Royi Avital 
>To: "help-octave 
>Date: 2017/2/13, Mon 19:56
>Subject: Octave for Windows - OpenBLAS and Portable Mode
>I downloaded the official Octave 4.2 for Windows.
>I used the ZIP Package (Not the installer).
>I have 2 questions:
>    1. Does Octave Windows in general and the ZIP version specifically use OpenBLAS for BLAS and LAPACK?
>When I use `version -blas` I don't get any information.
>    2. How can I make it fully portable?

>Namely make Octave keep all the UI settings in the folder it was unzipped into instead the User Folder.


I can answer for only 1.
For 1,
In bin folder, there are libblas.dll, libopenblas.dll, and librefblas.dll.
1. Rename libblas.dll to other name.

2. Copy libopenblas.dll and paste it in bin folder and then rename it as libblas.dll.

If you want use reference blas, do the above for librefblas.dll.


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