Jeff

On Fri, May 27, 2016 at 6:40 AM, William Gropp <wgropp@illinois.edu> wrote:
>
> This was the motivation, more than avoiding declaring a variable that was never read in the user’s program.  There was evidence for this from Intel in the early ‘90s, though I don’t know if anyone has looked into it recently.
>
> Bill
>
> William Gropp
> Director, Parallel Computing Institute
> Thomas M. Siebel Chair in Computer Science
> Chief Scientist, NCSA
> University of Illinois Urbana-Champaign
>
>
>
>
>
> On May 26, 2016, at 6:30 PM, Jeff Hammond <jeff.science@gmail.com> wrote:
>
> Is it correct to assume that it is cheaper to check for MPI_STATUS_IGNORE and MPI_STATUSES_IGNORE than to fill in the status object, in the case where the user does not need the status?
>
> Thanks,
>
> Jeff
>
> --
> Jeff Hammond
> jeff.science@gmail.com
> http://jeffhammond.github.io/
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--
Jeff Hammond
jeff.science@gmail.com
http://jeffhammond.github.io/