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Update MPIBestpractices.md
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mtrahan41 committed Jun 1, 2020
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Expand Up @@ -10,7 +10,8 @@ Please note that this page *does not* go over compiling or optimization of MPI a
Currently, only CURC’s older modules are visible within our base module stack. Luckily newer modules do exist within Summit and simply needs to be activated with a few commands. To see more newer versions of compilers and MPI libraries, simply run the following commands on a compute or compile node:

```
source /curc/sw/opt/spack/linux-rhel7-haswell/gcc-4.8.5/lmod-8.3-pvwkxsyumgym34z7b7cq52uny77cfx4l/lmod/lmod/init/bashexport MODULEPATH=/curc/sw/modules/spack/spring2020/linux-rhel7-x86_64/Core
source /curc/sw/opt/spack/linux-rhel7-haswell/gcc-4.8.5/lmod-8.3-pvwkxsyumgym34z7b7cq52uny77cfx4l/lmod/lmod/init/bashexport
MODULEPATH=/curc/sw/modules/spack/spring2020/linux-rhel7-x86_64/Core
```

To return to the base module stack, simply exit the current node and return to a compile or compute node.
Expand Down Expand Up @@ -135,4 +136,4 @@ If this fabric returns an error then your jobs should function by loading the `o

```
mpirun -genv I_MPI_FABRICS shm:ofa
```
```

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