FFT-based PIC is fastest in wall time but limited in use, while PCG, FEM, and PIF alternatives cost more yet scale comparably across AMD and Nvidia GPUs.
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A Comparison of Massively Parallel Performance Portable Particle-in-Cell schemes for electrostatic kinetic plasma simulations
FFT-based PIC is fastest in wall time but limited in use, while PCG, FEM, and PIF alternatives cost more yet scale comparably across AMD and Nvidia GPUs.