On 4/21/22 21:32, 陈敏 wrote:
I think the SparseDIrectMUMPS in dealii-8.2.1 don't need run program with
mpirun -np N ./Program just ./Programand MUMPS will run parallel controlling
by itself. can I control it by myself?
If you call a program without mpirun, it will not know that there is a
universe of parallel execution out there. It can only run with multiple
threads in a shared memory space on a single machine. It will definitely not
be able to use other machines.
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
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