[Mpi-comments] Bug in example 7.9 about neighbourhood collectives

[William Gropp]

Thanks, Dan.  Can you open an issue for this?
Bill

William Gropp
Director, Parallel Computing Institute
Thomas M. Siebel Chair in Computer Science
Chief Scientist, NCSA
University of Illinois Urbana-Champaign





On Jan 26, 2016, at 7:59 AM, Daniel Holmes <dholmes at epcc.ed.ac.uk> wrote:

> In Figure 7.2 (part of example 7.9, in section 7.6, page 330, line 18), the call to "MPI_DIMS_CREATE" is erroneous because the first parameter is given as "comm" rather than "comm_size". To pass "comm_size", the example would need an extra variable declaration and an extra line of code (between lines 17 and 18) that calls the "MPI_COMM_SIZE" function.
> 
> Cheers,
> Dan.
> 
> -- 
> Dan Holmes
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