Yes, I tried -O0 and -O3. But VOLATILE is going to thwart a wide range of
optimizations that would break this code.
Jeff
On Thu, Oct 27, 2016 at 2:19 AM, Gilles Gouaillardet <
gilles.gouaillar...@gmail.com> wrote:
> Jeff,
>
> Out of curiosity, did you compile the Fortran test program with -O0 ?
Jeff,
Out of curiosity, did you compile the Fortran test program with -O0 ?
Cheers,
Gilles
Tom Rosmond wrote:
>Jeff,
>
>Thanks for looking at this. I know it isn't specific to Open-MPI, but it is a
>frustrating issue vis-a-vis MPI and Fortran. There are many very large MPI
>applications ar