mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-24 22:08:04 +02:00
MPI
This commit is contained in:
parent
a586fb4f77
commit
3cec128f33
3 changed files with 25 additions and 2 deletions
|
@ -6,8 +6,18 @@ Message Passing Interface (kurz: MPI) ist ein Standard,
|
|||
der den Nachrichtenaustausch bei parallelen Berechnungen auf
|
||||
verteilten Computersystemen beschreibt.
|
||||
|
||||
\section{Erste Schritte}
|
||||
\inputminted[numbersep=5pt, tabsize=4, frame=lines, label=hello-world.c]{c}{scripts/mpi/hello-world.c}
|
||||
|
||||
Das wird \texttt{mpicc hello-world.c} kompiliert.\\
|
||||
Mit \texttt{mpirun -np 14 scripts/mpi/a.out} werden 14 Kopien des Programms
|
||||
gestartet.
|
||||
|
||||
\section{Syntax}
|
||||
\section{Beispiele}
|
||||
\section{Weitere Informationen}
|
||||
\begin{itemize}
|
||||
\item \url{http://www.open-mpi.org/}
|
||||
\end{itemize}
|
||||
|
||||
\index{MPI|)}
|
||||
|
||||
\index{MPI|)}
|
Binary file not shown.
13
documents/Programmierparadigmen/scripts/mpi/hello-world.c
Normal file
13
documents/Programmierparadigmen/scripts/mpi/hello-world.c
Normal file
|
@ -0,0 +1,13 @@
|
|||
#include <stdio.h>
|
||||
#include <mpi.h>
|
||||
int main (int argc, char** args) {
|
||||
int size;
|
||||
int myrank;
|
||||
MPI_Init(&argc, &args);
|
||||
MPI_Comm_size(MPI_COMM_WORLD, &size);
|
||||
MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
|
||||
printf("Hello world, I have rank %d out of %d.\n",
|
||||
myrank, size);
|
||||
MPI_Finalize();
|
||||
return 0;
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue