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This error is not properly a problem with MPI but with some components of the Slingshot network.
Workaround:
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Users should avoid the unnecessary spread of MPI ranks across many nodes and favor the use of exclusive access if possible. This will promote better performance in the execution of own user's code, but also of the rest of the jobs being executed in the Supercomputer. |
Firstly, users Users should stick to the use of the following best practices to avoid the unnecessary spread of MPI ranks across many nodes:
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