[petsc-users] a simple question about options left

[Barry Smith]

On Nov 23, 2011, at 10:26 PM, Xiangdong Liang wrote:

> Hello everyone,
> 
> When I compile my program with debug mode and ran it, I got
> 
> WARNING! There are options you set that were not used!
> WARNING! could be spelling mistake, etc!
> Option left: name:-1 value: -1

   You must have some of your own command line arguments like for example -1 -1 and our argument processing is not smart enough to ignore it. I can reproduce it and will see if there is any reasonable way for us to eliminate the message in this case.

    It is safe to ignore.


> 
> I even got the warning if I do not provide any options. What's the option left?
> 
> However, such warning about the option left is gone if I compile my
> program in arch-opt mode.  Thanks.

   We don't print the warning with optimized code.

> 
> Xiangdong