A new multi-GPU hybrid MPI+OpenMP version of the BIT1 PIC MC code achieves scalable performance and improved resource utilization on up to 16,000 GPUs through OpenMP target tasks, persistent device memory, and standardized I/O.
In: 2024 IEEE International Conference on Cluster Computing Workshops (CLUSTER Workshops)
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Multi-GPU Hybrid Particle-in-Cell Monte Carlo Simulations for Exascale Computing Systems
A new multi-GPU hybrid MPI+OpenMP version of the BIT1 PIC MC code achieves scalable performance and improved resource utilization on up to 16,000 GPUs through OpenMP target tasks, persistent device memory, and standardized I/O.