/[escript]/trunk/doc/install/srcommon.tex
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revision 2363 by gross, Fri Apr 3 03:56:19 2009 UTC revision 2370 by gross, Mon Apr 6 06:41:49 2009 UTC
# Line 164  You will need to modify the following va Line 164  You will need to modify the following va
164  \item \texttt{mpi_flavour} \\  \item \texttt{mpi_flavour} \\
165      which MPI implementation is used. Valid values are  \begin{itemize}      which MPI implementation is used. Valid values are  \begin{itemize}
166      \item[\texttt{MPT}] SGI MPI implementation    \\     \url{http://techpubs.sgi.com/library/manuals/3000/007-3687-010/pdf/007-3687-010.pdf}      \item[\texttt{MPT}] SGI MPI implementation    \\     \url{http://techpubs.sgi.com/library/manuals/3000/007-3687-010/pdf/007-3687-010.pdf}
167         \item[\texttt{MPICH2}] Argonne's MPICH vesrion 2 implementation \\ \url{http://www.mcs.anl.gov/research/projects/mpi/mpich2/}
168       \item[\texttt{MPICH}] Argonne's MPICH implementation \\ \url{http://www.mcs.anl.gov/research/projects/mpi/mpich1/}       \item[\texttt{MPICH}] Argonne's MPICH implementation \\ \url{http://www.mcs.anl.gov/research/projects/mpi/mpich1/}
169        \item[\texttt{OPENMPI}] Open MPI \url{http://www.open-mpi.org/}        \item[\texttt{OPENMPI}] Open MPI \url{http://www.open-mpi.org/}
170        \item[\texttt{INTELMPI}] Intel's MPI \url{http://software.intel.com/en-us/intel-mpi-library/}        \item[\texttt{INTELMPI}] Intel's MPI \url{http://software.intel.com/en-us/intel-mpi-library/}
# Line 186  As with debug and openmp, you can make t Line 187  As with debug and openmp, you can make t
187  You can test your build on for instance 6 processors using  You can test your build on for instance 6 processors using
188  \begin{shellCode}  \begin{shellCode}
189  export ESCRIPT_NUM_NODES=6  export ESCRIPT_NUM_NODES=6
190  scons all_tests  scons usempi=yes all_tests
191  \end{shellCode}  \end{shellCode}
192  and on  6 processors with 4 threads each using  and on  6 processors with 4 threads each using
193  \begin{shellCode}  \begin{shellCode}
194  export ESCRIPT_NUM_THREADS=4  export ESCRIPT_NUM_THREADS=4
195  export ESCRIPT_NUM_NODES=6  export ESCRIPT_NUM_NODES=6
196  scons all_tests  scons usempi=yes all_tests
197  \end{shellCode}  \end{shellCode}
198  Alternatively, you can give a hostfile  Alternatively, you can give a hostfile
199  \begin{shellCode}  \begin{shellCode}
200  export ESCRIPT_NUM_THREADS=4  export ESCRIPT_NUM_THREADS=4
201  export ESCRIPT_HOSTFILE=myhostfile  export ESCRIPT_HOSTFILE=myhostfile
202  scons all_tests  scons usempi=yes all_tests
203  \end{shellCode}  \end{shellCode}
204    Notice that depending on your MPI flavour it may be required to start a demon before running the tests under MPI.
205    
206    
207  \subsection{Difficulties}  \subsection{Difficulties}

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