MFEMExecutioner.C

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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

#ifdef MOOSE_MFEM_ENABLED

#include "MFEMExecutioner.h"
#include "MFEMProblem.h"

InputParameters
MFEMExecutioner::validParams()
{
  InputParameters params = Executioner::validParams();
  params.addClassDescription("Executioner for MFEM problems.");
  params.addParam<std::string>("device", "Run app on the chosen device.");
  MooseEnum assembly_levels("legacy full element partial none", "legacy", true);
  params.addParam<MooseEnum>(
      "assembly_level",
      assembly_levels,
      "Matrix assembly level. Options: legacy, full, element, partial, none.");

  return params;
}

MFEMExecutioner::MFEMExecutioner(const InputParameters & parameters)
  : Executioner(parameters),
    _mfem_problem(dynamic_cast<MFEMProblem &>(feProblem())),
    _problem_data(_mfem_problem.getProblemData())
{
  if (const auto compute_device = _app.getComputeDevice())
    _app.setMFEMDevice(*compute_device, Moose::PassKey<MFEMExecutioner>());
  else
    _app.setMFEMDevice(isParamValid("device")    ? getParam<std::string>("device")
                       : _app.isUltimateMaster() ? "cpu"
                                                 : "",
                       Moose::PassKey<MFEMExecutioner>());
}

#endif