Re: [Valgrind-users] Strange (at least to me) valgrind messages

[Tyson W. <twh...@gm...>]

On September 21, 2015 23:16:58 Tyson Whitehead wrote:
> I'll check the make sure, but I'm 99.9% certain the code doesn't use any of  
> the valgrind API.
> 
> I'm nearly certain its first exposure to valgrind was me running it just  
> now to help them track down some memory leak issues.
> 
> The client request in coming from the MPI wrapper library that ships with  
> valgrind.

Correction to that.  Seems it's from the OpenMPI library itself compiled with valgrind support (via the --enable-memchecker option).

Guess it must be marking a bunch of areas as invalid as you suggested.  I'll have to take it up on their mailing list.  Sorry for the noise.

Cheers!  -Tyson