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Diffstat (limited to 'doc/UsersGuide/Notes.tex')
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diff --git a/doc/UsersGuide/Notes.tex b/doc/UsersGuide/Notes.tex index 8bb56fb2..ed369cd1 100644 --- a/doc/UsersGuide/Notes.tex +++ b/doc/UsersGuide/Notes.tex @@ -52,15 +52,16 @@ in single processor mode. Please refer to the architecture section \noindent To use Cactus, with the default driver\footnote{For help with unfamiliar terms, please consult the glossary, Appendix \ref{sec:glossary}.} (\texttt{CactusPUGH/PUGH}) on multiple -processors you also need: +processors you also need to include the thorn \texttt{ExternalLibraries/MPI} +in your thornlist, to include support for \begin{Lentry} \item[MPI] The \textit{Message Passing Interface}, which provides inter-processor communication. Supercomputing sites often supply a native MPI implementation that is very likely to be compatible with Cactus. Otherwise, there are -various freely available ones available, e.g. the MPICH +various freely available ones available, e.g. the OpenMPI version of MPI is available for various architectures and operating -systems at \url{http://www-unix.mcs.anl.gov/mpi/}. +systems at \url{http://www.open-mpi.org/}. \end{Lentry} \noindent |