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TAT/Slab error running BBHLowRes
Hi,
I see the following error when running '/repos/einsteinexamples/par/arXiv-1111.3344/bbh/BBHLowRes.par':
WARNING level 0 from host mars process 0 while executing schedule bin BoundaryConditions, routine RotatingSymmetry180::Rot180_ApplyBC in thorn RotatingSymmetry180, file /home/mikael/Astronomy/GeneralRelativity/ET/Cactus/configs/sim/build/RotatingSymmetry180/rotatingsymmetry180.c:447: -> TAT/Slab can only be used if there is a single local component per MPI process
What to do? Something in the .par file that can be adjusted?
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Comments (6)
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Many thanks for swift reply!
The binary was built with the following command:
./simfactory/bin/sim build --mdbkey make 'make -j6' --thornlist=manifest/einsteintoolkit.th
since I have 8 cores and thought should compile with less than max.
Should I rebuild with 'make -j2' above?
Thanks, Mikael
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Mikael
It does not matter how you built the executable. But when you run it, you need to use at least 2 MPI processes.
-erik
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Erik,
Thanks, I'm new to this so I didn't realize I should run the executable using exe/sim/mpirun. It's running now and there are indeed two processes running. It will take a while ...
Thx, Mikael
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Using 2 MPI processes should solve this problem.