A novel workload replay method validates MPI malleability on Marenostrum 5, showing 27% reduction in malleable job time without delaying baseline workload.
Vázquez, G
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DMR framework provides practical non-invasive MPI malleability on production HPC systems, matching static performance while cutting node-hour consumption on TOP500 machines.
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MPI Malleability Validation under Replayed Real-World HPC Conditions
A novel workload replay method validates MPI malleability on Marenostrum 5, showing 27% reduction in malleable job time without delaying baseline workload.