Difference between debugging and optimized version of PETSc

[Barry Smith]

  PETSc also does extensive additional "assert type" testing of input arguments 
to functions etc in the debug version.

   Barry


On Mon, 29 Jan 2007, Matthew Knepley wrote:

> On 1/29/07, Ben Tay <zonexo at gmail.com> wrote:
> > 
> > Hi,
> > 
> > May I know what's the difference between the optimized and debugging
> > version?
> > 
> > Have the optimization flags such as -O3 been used in the compilcation of
> > the libraries for the optimized one? Whereas for the debugging version,
> > there is no optimization by the compiler?
> > 
> 
> It is just the difference in compiler flags. You would have to look at the
> compiler documentation.
> 
> If my program works fine in the debugging version, does it mean that I will
> > not get errors in the optimized version?
> > 
> 
> Most likely.
> 
>   Matt
> 
> Thanks
> > 
>