Re: [boost] [Review][MPI] Boost.MPI Review

From: David Abrahams (dave_at_[hidden])
Date: 2006-09-07 09:49:36

"Dean Michael Berris" <mikhailberis_at_[hidden]> writes:

> The above line doesn't say anything about what the first int is, and
> what the second int is -- and it's fairly easy to confuse which one is
> the rank and which one is the tag. A suggestion I would make is either
> to utilize Boost.Parameter to come up with something like:
>
> mpi::communicator c;
> std::string str("Hello, World!");
> c.send(tag=0, rank=1, value=str);
> c.send(rank=1, tag=0, value=str);
> c.send(value=str, rank=1, tag=0);

Great idea!

> Or if that introduces too many issues regarding performance (I'm not
> sure)

I think our tests have demonstrated that Boost.Parameter has no
measurable runtime performance impact, [or maybe even a positive one
;-)]

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com