ParticleAttrib.hpp File Reference

#include "Ippl.h"
#include "Communicate/DataTypes.h"
#include "Utility/IpplTimings.h"

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Namespaces
namespace	ippl

Macros
#define	DefineParticleReduction(fun, name, op, MPI_Op)

Functions
template<typename Attrib1, typename Field, typename Attrib2, typename policy_type = Kokkos::RangePolicy<typename Field::execution_space>>
void	ippl::scatter (const Attrib1 &attrib, Field &f, const Attrib2 &pp)
	Non-class interface for scattering particle attribute data onto a field.
template<typename Attrib1, typename Field, typename Attrib2, typename policy_type = Kokkos::RangePolicy<typename Field::execution_space>>
void	ippl::scatter (const Attrib1 &attrib, Field &f, const Attrib2 &pp, policy_type iteration_policy, typename Attrib1::hash_type hash_array={})
	Non-class interface for scattering with a custom iteration policy and optional index array.
template<typename Attrib1, typename Field, typename Attrib2>
void	ippl::gather (Attrib1 &attrib, Field &f, const Attrib2 &pp, const bool addToAttribute=false)
	Non-class interface for gathering field data into a particle attribute.
	ippl::DefineParticleReduction (Sum, sum, valL+=myVal, std::plus) DefineParticleReduction(Max
	ippl::if (myVal > valL) valL
std::greater	ippl::DefineParticleReduction (Min, min, if(myVal< valL) valL=myVal, std::less) DefineParticleReduction(Prod

Macro Definition Documentation

DefineParticleReduction

#define DefineParticleReduction	(		fun,
			name,
			op,
			MPI_Op )

Value:

    template <typename T, class... Properties>                    \
    T ParticleAttrib<T, Properties...>::name() {                  \
        T temp            = 0.0;                                  \
        using policy_type = Kokkos::RangePolicy<execution_space>; \
        Kokkos::parallel_reduce(                                  \
            "fun", policy_type(0, *(this->localNum_mp)),          \
            KOKKOS_CLASS_LAMBDA(const size_t i, T& valL) {        \
                T myVal = dview_m(i);                             \
                op;                                               \
            },                                                    \
            Kokkos::fun<T>(temp));                                \
        T globaltemp = 0.0;                                       \
        Comm->allreduce(temp, globaltemp, 1, MPI_Op<T>());        \
        return globaltemp;                                        \
    }

Definition at line 332 of file ParticleAttrib.hpp.