KokkosElementUserObject.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "KokkosUserObject.h"
#include "KokkosElementReducer.h"
#include "KokkosMaterialPropertyValue.h"
 
#include "MaterialPropertyInterface.h"
#include "CoupleableMooseVariableDependencyIntermediateInterface.h"
#include "TransientInterface.h"
#include "RandomInterface.h"
#include "ElementIDInterface.h"
 
namespace Moose::Kokkos
{
 
class ElementUserObject : public UserObject,
                          public ElementReducer,
                          public ::MaterialPropertyInterface,
                          public ::CoupleableMooseVariableDependencyIntermediateInterface,
                          public ::TransientInterface,
                          public ::RandomInterface,
                          public ::ElementIDInterface
{
public:
  static InputParameters validParams();
 
  ElementUserObject(const InputParameters & parameters);
 
  ElementUserObject(const ElementUserObject & object);
 
  virtual void compute() override;
 
  template <typename Derived>
  KOKKOS_FUNCTION void operator()(DefaultLoop, const ThreadID tid, const Derived & object) const;
 
  using ElementReducer::operator();
 
protected:
  virtual ThreadID numUserObjectThreads() const override { return numKokkosBlockElements(); }
};
 
template <typename Derived>
KOKKOS_FUNCTION void
ElementUserObject::operator()(DefaultLoop, const ThreadID tid, const Derived & object) const
{
  auto elem = kokkosBlockElementID(tid);
 
  Datum datum(elem, libMesh::invalid_uint, kokkosAssembly(), kokkosSystems());
 
  object.template execute<Derived>(datum);
}
 
} // namespace Moose::Kokkos