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This is a Experimental Study study.

GPU porting of ASCOT5 code for Monte Carlo simulations in fusion plasmas

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GPU porting enhances performance of Monte Carlo simulations in fusion plasmas, indicating efficient code adaptations.

GPU execution improves performance in executing Monte Carlo simulations for minority species in fusion plasmas.
Performance results demonstrate effectiveness of history-based, event-based, and event-based-packing strategies on NVIDIA GPUs.
The ASCOT5 code was originally designed with MPI-OpenMP hybrid parallelism before its recent GPU porting.
Portability of the code across different architectures such as Intel and AMD GPUs highlights its versatile application potential.

Peybernes et al. (2025) studied this question.

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