[Mpi-forum] Missing MPI primitives - Probe+Wait

William Gropp wgropp at illinois.edu
Tue Apr 20 07:53:10 CDT 2010


I just wanted to respond to this.  In fact, the Forum was well aware  
of how incomplete the POSIX thread standard was and was careful to not  
mandate them (!) - we did receive suggestions from people who thought  
MPI codes would be *more* portable if we said MPI must support pthreads.

Bill

On Apr 20, 2010, at 3:27 AM, N.M. Maclaren wrote:

> I don't know how well you (or others) know POSIX threads and how they
> are implemented, or other threading interfaces, but the assumption  
> that
> you can write portable code is completely false.

William Gropp
Deputy Director for Research
Institute for Advanced Computing Applications and Technologies
Paul and Cynthia Saylor Professor of Computer Science
University of Illinois Urbana-Champaign







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