Re: maximum number of variables?

[Bob Rossi <bob@brasko.net>]

On Tue, Aug 30, 2005 at 05:00:57PM -0400, Nicolas Ouellette wrote:
> Hello
> 
> I am presently running a huge code following the hydrodynamical evolution 
> of a system (in 2 dimentions).  I store the quantities evolving (density, 
> velocity, pressure) into large 2-D arrays.  Recently, I tried to make my 
> 2-D arrays bigger (to study a bigger system) and eventually, I reached a 
> certain point where I was getting a "segmentation error".  The only thing I 
> changed was the size of my arrays.
> 
> I deleted a few arrays that were redundant (making my code less user 
> friendly), and I found that I could slightly increase the size of my arrays 
> until I reached the "segmentation error".
> 
> Here are my questions:  1) Is there a maximum number of variables allowed 
> when using gcc? (from my experience I am guessing yes) 2) Is there a way to 
> increase the number of variables allowed when using gcc?

It sounds like you may have overflowed the stack. Could you try
increasing the stack size? I don't know how to do that though with gcc.

Bob Rossi