tensor_device.F90

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module tensor_device
  use utils, only : neko_error
  use, intrinsic :: iso_c_binding, only : c_ptr, c_int
  implicit none
  private
 
  public :: tnsr3d_device, tnsr3d_el_list_device
 
#ifdef HAVE_HIP
  interface
     subroutine hip_tnsr3d_el_list(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, &
          elements, n_points) &
          bind(c, name = 'hip_tnsr3d_el_list')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d, elements
       integer(c_int) :: nu, nv, n_points
     end subroutine hip_tnsr3d_el_list
  end interface
  interface
     subroutine hip_tnsr3d(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, nelv) &
          bind(c, name = 'hip_tnsr3d')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d
       integer(c_int) :: nu, nv, nelv
     end subroutine hip_tnsr3d
  end interface
#elif HAVE_CUDA
  interface
     subroutine cuda_tnsr3d_el_list(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, &
          elements, n_points) &
          bind(c, name = 'cuda_tnsr3d_el_list')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d, elements
       integer(c_int) :: nu, nv, n_points
     end subroutine cuda_tnsr3d_el_list
  end interface
  interface
     subroutine cuda_tnsr3d(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, nelv) &
          bind(c, name = 'cuda_tnsr3d')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d
       integer(c_int) :: nu, nv, nelv
     end subroutine cuda_tnsr3d
  end interface
#elif HAVE_OPENCL
  interface
     subroutine opencl_tnsr3d_el_list(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, &
          elements, n_points) &
          bind(c, name = 'opencl_tnsr3d_el_list')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d, elements
       integer(c_int) :: nu, nv, n_points
     end subroutine opencl_tnsr3d_el_list
  end interface
  interface
     subroutine opencl_tnsr3d(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, nelv) &
          bind(c, name = 'opencl_tnsr3d')
       use, intrinsic :: iso_c_binding
       type(c_ptr), value :: v_d, u_d, A_d, Bt_d, Ct_d
       integer(c_int) :: nu, nv, nelv
     end subroutine opencl_tnsr3d
  end interface
#endif
contains
 
  subroutine tnsr3d_device(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, nelv)
    type(c_ptr) :: v_d, u_d, a_d, bt_d, ct_d
    integer(c_int) :: nu, nv, nelv
#ifdef HAVE_HIP
    call hip_tnsr3d(v_d, nv, u_d, nu, a_d, bt_d, ct_d, nelv)
#elif HAVE_CUDA
    call cuda_tnsr3d(v_d, nv, u_d, nu, a_d, bt_d, ct_d, nelv)
#elif HAVE_OPENCL
    call opencl_tnsr3d(v_d, nv, u_d, nu, a_d, bt_d, ct_d, nelv)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine tnsr3d_device
 
  subroutine tnsr3d_el_list_device(v_d, nv, u_d, nu, A_d, Bt_d, Ct_d, &
       elements, n_points)
    type(c_ptr) :: v_d, u_d, a_d, bt_d, ct_d, elements
    integer(c_int) :: nu, nv, n_points
#ifdef HAVE_HIP
    call hip_tnsr3d_el_list(v_d, nv, u_d, nu, a_d, bt_d, ct_d, elements, &
         n_points)
#elif HAVE_CUDA
    call cuda_tnsr3d_el_list(v_d, nv, u_d, nu, a_d, bt_d, ct_d, elements, &
         n_points)
#elif HAVE_OPENCL
    call opencl_tnsr3d_el_list(v_d, nv, u_d, nu, a_d, bt_d, ct_d, elements, &
         n_points)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine tnsr3d_el_list_device
 
 
end module tensor_device