Parallel Processing

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WINDOWS USERS: Instructions on Getting MPICH2 Running

The procedure below should work:

1. Uninstall previous version of MPICH2 2. Open an admin command prompt by right-clicking on the command prompt icon and selecting "run as administrator" 3. Run "msiexec /i mpich2-1.3.2p1-win-ia32.msi" from the admin command prompt to install MPICH2 4. During installation select that MPICH2 be installed for "Everyone" for all users. 5. Run wmpiconfig and store username/password. 6. Add "C:\Program Files\MPICH2\bin" to system Path and reboot 7. Check smpd using 'smpd -status'. it should return 'smpd running on $hostname$' 8. To test execution environment, go to the directory $MPICHROOT\examples and run cpi.exe using: 'mpiexec -n 4 cpi'

Sources: Pasted from <http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-February/006529.html> Pasted from <http://lists.mcs.anl.gov/pipermail/mpich-discuss/2011-January/008826.html>

One last thing ... even on a 64-bit system, you will need the 32-bit version as OpenSees is released is the 32 bit version.

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