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openfoam/applications/test/fileHandler-ranks1
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Make
README
Test-fileHandler-ranks1.C

README 

Test that -ioRanks selections perform as expected and that sub-rank
selection is also doing the correct thing.

For example,

mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks host
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '(0 3 14)'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks 14,15,2,0,10,15,0,0,0,
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,10'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,11'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,14'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,15'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,12,115'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3,10,12,115'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks host -pick '1,2,3,4'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -pick '2,4,6,8'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,3' -pick '2,4,6,8'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,4' -pick '2,4,6,8'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,6' -pick '2,4,6,8'
mpirun -np 10 --oversubscribe Test-fileHandler-ranks1 -parallel -ioRanks '0,6' -pick '2,4,6,8'