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/usr/bin/time mpirun -np 256 $MPIFLAGS flutas the used processor grid is 16 by 16 Padded ALLTOALL optimisation on ************************************************ *** Beginning of simulation (TWO-PHASE mode) *** ************************************************ *** Initial condition succesfully set *** dtmax = 3.322388020223433E-003 dt = 1.661194010111717E-003 *** Calculation loop starts now *** ... *** Fim *** OUT:initial : 6.335s ( 1 calls) STEP : 14.630s ( 1000 calls) VOF : 9.309s ( 1000 calls) RK : 0.545s ( 1000 calls) SOLVER : 1.264s ( 1000 calls) CORREC : 0.588s ( 1000 calls) POSTPROC : 0.117s ( 1000 calls) OUT:iout0d : 0.005s ( 2 calls) OUT:iout1d : 0.000s ( 1 calls) OUT:iout3d : 4.267s ( 1 calls) OUT:isave : 4.277s ( 1 calls) |
Task and submission
Use
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this input, two_layer_rb.
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Profile the input
Use any of the remote clusters to run an MPI profile (such as IPM profile or any other profiler) over 4 nodes, full PPN to profile the given input.Submit the profile as PDF to the team's folder.
Add to your presentation the 3 main MPI calls that are being used plus the MPI time being used.
Run the FluTAS on both PSC bridges-2 and FAU Fritz CPU clusters for Single node, Two node and Four node runs.
Submit the results to the team's folder.
Add to your presentation a scalability graph based on your results and any conclusions you came up with.
Submission and Presentation:
- Submit all the build scripts, run scripts and stdout/logs.
- Do not submit the output data or the source code.
- Prepare slides for the team’s interview based on your work for this application
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