SoA-only Particle Container #1444
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…alization functions run on the GPU
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Made ERFPC a purely-SoA** particle container for performance. Also moved the particle initialization to GPUs.
**The only AoS attribute is
kthat is tracked separately to handle terrain. I couldn't find a way forERFParticlesAssignorto take in SoA attributes.Ref:
ECP-WarpX/impactx#348 (comment)
ECP-WarpX/WarpX#4653 (comment)