lammps-sys 0.6.0

Generates bindings to LAMMPS' C interface (with optional builds from source)
Documentation
/*
//@HEADER
// ************************************************************************
// 
//                        Kokkos v. 2.0
//              Copyright (2014) Sandia Corporation
// 
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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#include <Kokkos_Core.hpp>

#include <TestBoxMeshFixture.hpp>
#include <Implicit.hpp>
#include <Nonlinear.hpp>
#include <Explicit.hpp>

#include <SparseLinearSystem.hpp>

#if defined( KOKKOS_ENABLE_CUDA )

//----------------------------------------------------------------------------

namespace Kokkos {
namespace Impl {

CudaSparseSingleton & CudaSparseSingleton::singleton()
{ static CudaSparseSingleton s ; return s ; }

}
}

//----------------------------------------------------------------------------

void test_cuda_query( comm::Machine machine )
{
  const size_t comm_rank = comm::rank( machine );
  std::cout << "P" << comm_rank
            << ": Cuda device_count = "
            << Kokkos::Cuda::detect_device_count()
            << std::endl ;
}

//----------------------------------------------------------------------------

void test_cuda_fixture( comm::Machine machine ,
                        size_t nx , size_t ny , size_t nz )
{
  const size_t comm_rank = comm::rank( machine );
  const size_t comm_size = comm::size( machine );
  const size_t dev_count = Kokkos::Cuda::detect_device_count();
  const size_t dev_rank =
    dev_count && dev_count <= comm_size ? comm_rank % dev_count : 0 ;
  const size_t gang_count = 0 ;

  Kokkos::InitArguments args;
  args.device_id = dev_rank;
  Kokkos::initialize(args);

  test_box_fixture<Kokkos::Cuda>( machine , gang_count , nx , ny , nz );
  Kokkos::finalize();
}

//----------------------------------------------------------------------------

void test_cuda_implicit( comm::Machine machine , 
                         size_t elem_count_begin ,
                         size_t elem_count_end ,
                         size_t count_run )
{
  const size_t comm_rank = comm::rank( machine );
  const size_t comm_size = comm::size( machine );
  const size_t dev_count = Kokkos::Cuda::detect_device_count();
  const size_t dev_rank =
    dev_count && dev_count <= comm_size ? comm_rank % dev_count : 0 ;
  const size_t gang_count = 0 ;

  Kokkos::InitArguments args;
  args.device_id = dev_rank;
  Kokkos::initialize(args);
  HybridFEM::Implicit::driver<double,Kokkos::Cuda>( "Cuda" , machine , gang_count , elem_count_begin , elem_count_end , count_run );
  Kokkos::finalize();
}

//----------------------------------------------------------------------------

void test_cuda_explicit( comm::Machine machine , 
                         size_t elem_count_begin ,
                         size_t elem_count_end ,
                         size_t count_run )
{
  const size_t comm_rank = comm::rank( machine );
  const size_t comm_size = comm::size( machine );
  const size_t dev_count = Kokkos::Cuda::detect_device_count();
  const size_t dev_rank =
    dev_count && dev_count <= comm_size ? comm_rank % dev_count : 0 ;
  const size_t gang_count = 0 ;

  Kokkos::InitArguments args;
  args.device_id = dev_rank;
  Kokkos::initialize(args);
  Explicit::driver<double,Kokkos::Cuda>( "Cuda" , machine , gang_count , elem_count_begin , elem_count_end , count_run );
  Kokkos::finalize();
}

//----------------------------------------------------------------------------

void test_cuda_nonlinear( comm::Machine machine , 
                          size_t elem_count_begin ,
                          size_t elem_count_end ,
                          size_t count_run )
{
  const size_t comm_rank = comm::rank( machine );
  const size_t comm_size = comm::size( machine );
  const size_t dev_count = Kokkos::Cuda::detect_device_count();
  const size_t dev_rank =
    dev_count && dev_count <= comm_size ? comm_rank % dev_count : 0 ;
  const size_t gang_count = 0 ;

  Kokkos::InitArguments args;
  args.device_id = dev_rank;
  Kokkos::initialize(args);

  typedef Kokkos::Cuda device ;
  typedef FixtureElementHex8 hex8 ;
  HybridFEM::Nonlinear::driver<double,device,hex8>( "Cuda" , machine , gang_count , elem_count_begin , elem_count_end , count_run );
  Kokkos::finalize();
}

void test_cuda_nonlinear_quadratic( comm::Machine machine , 
                                    size_t elem_count_begin ,
                                    size_t elem_count_end ,
                                    size_t count_run )
{
  const size_t comm_rank = comm::rank( machine );
  const size_t comm_size = comm::size( machine );
  const size_t dev_count = Kokkos::Cuda::detect_device_count();
  const size_t dev_rank =
    dev_count && dev_count <= comm_size ? comm_rank % dev_count : 0 ;
  const size_t gang_count = 0 ;

  Kokkos::InitArguments args;
  args.device_id = dev_rank;
  Kokkos::initialize(args);

  typedef Kokkos::Cuda device ;
  typedef FixtureElementHex27 hex27 ;
  HybridFEM::Nonlinear::driver<double,device,hex27>( "Cuda" , machine , gang_count , elem_count_begin , elem_count_end , count_run );
  Kokkos::finalize();
}

//----------------------------------------------------------------------------

#endif  /* #if defined( KOKKOS_ENABLE_CUDA ) */