[Scilab-users] Large scale linear optimization

[Ashish Jaen]

Hi Claus,
Thanks for your answer. If possible, can you share your performance numbers
? Details about Runtime / Hardware / RAM / Number of constraints will help.

Thanks again,
Ashish


On Sat, Jun 21, 2014 at 8:22 AM, Claus Futtrup <cfuttrup at gmail.com> wrote:

>  Hi Ashish Jaen
>
> I of course cannot know about your problem explicitly, but I'd say that
> 2000 values (variables) is no problem. I've worked with vectors up to 2
> million in size. Also the 5000 constraints, well, it sounds like it can be
> done.
>
> There is a problem with Scilab in its current form having limits to
> managing memory. You should execute the command stacksize('max'); to use as
> much available memory as possible. I believe that Scilab is working on
> removing this limit in a future edition of Scilab (v. 6).
>
> Whether you will run into a memory problem I can't say. I guess, the only
> way to find out is to try.
>
> Best regards,
> Claus
>
>
> On 19-Jun-14 09:44, Ashish Jaen wrote:
>
>   Hi,
> I am new to this mailing list, so please pardon me if this question has
> been asked before.
>
>  Has anyone used Scilab for large scale linear optimization ? The problem
> size I am looking at is about 2000 variables and 5000 constraints.
>
>  Will be great if you can also share some performance numbers.
>
>  I have used Matlab in the past but no longer have the license as I am not
> in university any more :(
>
>  Regards.
>
>
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