[MPI3 Fortran] Serial and Parallel Code

[Jeff Squyres]

Greetings Carlos.  This list is not really for user-level questions  
about MPI; it is a list for the MPI Forum itself to discuss Fortran  
bindings for the upcoming MPI-3 standard.

You might want to google around for MPI tutorials and textbooks; there  
are several out there that discuss exactly these kinds of issues.

Good luck.


On May 30, 2008, at 11:04 AM, Carlos Avila wrote:

> I have a sequential FE code composed of about 150 subroutines in  
> FORTRAN, and I want to parallelize ONLY ONE of them the LINEAR SOLVER
>
> Would you please answer the following question?
>
> 1. Can I run sequential and parallel (combined) code in the same  
> program?
> 2 If that is possible what kind of MPI commands or directives should  
> be included in the sequential code to make it compatible with the  
> parallel code.
> 3. The serial code is going to call only one PARALLEL SUBROUTINE  
> (the solver), if I call MPI_INIT only in one subroutine, what happen  
> with the variables of the serial code.
>
> Any response from you will be really valuable.
>
> My best regards,
>
> Carlos Avila
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>


-- 
Jeff Squyres
Cisco Systems