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Diffstat (limited to 'Source/Particles/ParticleCreation/CopyParticle.H')
| -rw-r--r-- | Source/Particles/ParticleCreation/CopyParticle.H | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/Source/Particles/ParticleCreation/CopyParticle.H b/Source/Particles/ParticleCreation/CopyParticle.H deleted file mode 100644 index 8b2770891..000000000 --- a/Source/Particles/ParticleCreation/CopyParticle.H +++ /dev/null @@ -1,96 +0,0 @@ -/* Copyright 2019 Axel Huebl, Maxence Thevenet - * - * This file is part of WarpX. - * - * License: BSD-3-Clause-LBNL - */ -#ifndef COPYPARTICLE_H_ -#define COPYPARTICLE_H_ - -#include "WarpXParticleContainer.H" - -/** - * \brief Functor to copy one particle - * - * This is meant to be a very small class captured by value in kernel launches, - * that can be initialized on the host and copied to the device at each - * iteration. It should be general enough to be used by all processes. - * - * Pointers to SoA data are saved when constructor is called. - * AoS data is passed as argument of operator (). - */ -class CopyParticle -{ - -public: - - // ID of MPI rank - int m_cpuid; - // If true, will copy old attribs for back-transforme diagnostics - bool m_do_back_transformed_product; - // Source old (runtime) attribs for back-transformed diagnostics - amrex::GpuArray<amrex::ParticleReal*,3> m_runtime_uold_source; - // Source attribs - amrex::GpuArray<amrex::ParticleReal*,PIdx::nattribs> m_attribs_source; - // Product attribs - amrex::GpuArray<amrex::ParticleReal*,PIdx::nattribs> m_attribs_product; - // Product runtime attribs - amrex::GpuArray<amrex::ParticleReal*,6> m_runtime_attribs_product; - - // Simple constructor - AMREX_GPU_HOST_DEVICE - CopyParticle( - const int cpuid, const int do_back_transformed_product, - const amrex::GpuArray<amrex::ParticleReal*,3> runtime_uold_source, - const amrex::GpuArray<amrex::ParticleReal*,PIdx::nattribs> attribs_source, - const amrex::GpuArray<amrex::ParticleReal*,PIdx::nattribs> attribs_product, - const amrex::GpuArray<amrex::ParticleReal*,6> runtime_attribs_product) - : - m_cpuid(cpuid), - m_do_back_transformed_product(do_back_transformed_product), - m_runtime_uold_source(runtime_uold_source), - m_attribs_source(attribs_source), - m_attribs_product(attribs_product), - m_runtime_attribs_product(runtime_attribs_product){} - - /** - * \brief Overload operator () to do the copy of 1 particle - * - * \param is index of source particle - * \param ip index of product particle - * \param pid_product ID of first product particle - * \param p_source Struct with data for 1 source particle (position etc.) - * \param p_product Struct with data for 1 product particle (position etc.) - */ - AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE - void operator () (int is, int ip, int pid_product, - WarpXParticleContainer::ParticleType& p_source, - WarpXParticleContainer::ParticleType& p_product) const noexcept - { - // Copy particle from source to product: AoS - p_product.id() = pid_product + ip; - p_product.cpu() = m_cpuid; - p_product.pos(0) = p_source.pos(0); - p_product.pos(1) = p_source.pos(1); -#if (AMREX_SPACEDIM == 3) - p_product.pos(2) = p_source.pos(2); -#endif - // Copy particle from source to product: SoA - for (int ia = 0; ia < PIdx::nattribs; ++ia) { - m_attribs_product[ia][ip] = m_attribs_source[ia][is]; - } - // Update xold etc. if boosted frame diagnostics required - // for product species. Fill runtime attribs with a copy of - // current properties (xold = x etc.). - if (m_do_back_transformed_product) { - m_runtime_attribs_product[0][ip] = p_source.pos(0); - m_runtime_attribs_product[1][ip] = p_source.pos(1); - m_runtime_attribs_product[2][ip] = p_source.pos(2); - m_runtime_attribs_product[3][ip] = m_runtime_uold_source[0][ip]; - m_runtime_attribs_product[4][ip] = m_runtime_uold_source[1][ip]; - m_runtime_attribs_product[5][ip] = m_runtime_uold_source[2][ip]; - } - } -}; - -#endif // COPYPARTICLE_H_ |