[Coin-ipopt] Allocation Problem

[Andreas Waechter]

Hi Christoph,

The only thing I can come up with is to compile Ipopt on a 64bit machine. 
That would give you an address space with more than 2GB...

Does wanyone else have an idea?

Thanks

Andreas

On Mon, 21 May 2007, Christoph Brune wrote:

> Hello,
>
> I use Ipopt(3.2.4) for solving tasks in mathematical images processing 
> (especially optical flow computation).
> A simple formulation of a task only minimizes an object function without any 
> constraints. Up to an image size of approximately 200x200 (that means: data 
> input of size 736KB) everything works fine. [In this case the problem has got 
> 971.232 nonzeros in lagrangian hessian and 122.409 variables.] Now trying to 
> process larger input-images (384x384) according to data input of size 2654KB 
> the following error occurs: "Ipopt 3.2.4: malloc(12816) failure: ran out of 
> memory." Obviously, the C-method cannot allocate more memory for my input 
> file. (The computer has access to 2 GB main memory.)
> Do you have any ideas?
>
> Regards
> Christoph Brune
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