device_coef.F90

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module device_coef
  use num_types, only : rp, c_rp
  use utils, only : neko_error
  use, intrinsic :: iso_c_binding, only : c_ptr, c_int
  implicit none
  private
 
  public :: device_coef_generate_geo
  public :: device_coef_generate_dxydrst
  public :: device_coef_generate_mass
  public :: device_coef_generate_area_and_normal
  public :: device_coef_get_normal
 
#ifdef HAVE_HIP
  interface
     subroutine hip_coef_generate_geo(G11, G12, G13, G22, G23, G33, &
          drdx, drdy, drdz, dsdx, dsdy, dsdz, dtdx, dtdy, dtdz, &
          jacinv, w3, nel, lx, gdim) &
          bind(c, name = 'hip_coef_generate_geo')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: G11, G12, G13, G22, G23, G33
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: jacinv, w3
       integer(c_int) :: nel, gdim, lx
     end subroutine hip_coef_generate_geo
  end interface
 
  interface
     subroutine hip_coef_generate_dxyzdrst(drdx, drdy, drdz, dsdx, dsdy, &
          dsdz, dtdx, dtdy, dtdz, dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, &
          dydt, dzdt, dx, dy, dz, x, y, z, jacinv, jac, lx, nel) &
          bind(c, name = 'hip_coef_generate_dxyzdrst')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: dx, dy, dz, x, y, z
       type(c_ptr), value :: jacinv, jac
       integer(c_int) :: lx, nel
     end subroutine hip_coef_generate_dxyzdrst
  end interface
 
  interface
     subroutine hip_coef_generate_mass(B, Binv, jac, w3, lxyz, nel) &
          bind(c, name = 'hip_coef_generate_mass')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: B, Binv, jac, w3
       integer(c_int) :: lxyz, nel
     end subroutine hip_coef_generate_mass
  end interface
 
  interface
     subroutine hip_coef_generate_area_and_normal(area, nx, ny, nz, &
          dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, dydt, dzdt, &
          wx, wy, wz, lx, nel, eps) &
          bind(c, name = 'hip_coef_generate_area_and_normal')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       type(c_ptr), value :: area, nx, ny, nz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: wx, wy, wz
       integer(c_int) :: lx, nel
       real(kind=c_rp), value :: eps
     end subroutine hip_coef_generate_area_and_normal
  end interface
 
  interface
     subroutine hip_coef_get_normal(normal_x, normal_y, normal_z, nx, ny, nz, &
          i_idx, j_idx, k_idx, e_idx, facet, lx, n) &
          bind(c, name = 'hip_coef_get_normal')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: normal_x, normal_y, normal_z
       type(c_ptr), value :: nx, ny, nz
       type(c_ptr), value :: i_idx, j_idx, k_idx, e_idx, facet
       integer(c_int) :: lx, n
     end subroutine hip_coef_get_normal
  end interface
 
#elif HAVE_CUDA
  interface
     subroutine cuda_coef_generate_geo(G11, G12, G13, G22, G23, G33, &
          drdx, drdy, drdz, dsdx, dsdy, dsdz, dtdx, dtdy, dtdz, &
          jacinv, w3, nel, lx, gdim) &
          bind(c, name = 'cuda_coef_generate_geo')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: G11, G12, G13, G22, G23, G33
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: jacinv, w3
       integer(c_int) :: nel, gdim, lx
     end subroutine cuda_coef_generate_geo
  end interface
 
  interface
     subroutine cuda_coef_generate_dxyzdrst(drdx, drdy, drdz, dsdx, dsdy, &
          dsdz, dtdx, dtdy, dtdz, dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, &
          dydt, dzdt, dx, dy, dz, x, y, z, jacinv, jac, lx, nel) &
          bind(c, name = 'cuda_coef_generate_dxyzdrst')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: dx, dy, dz, x, y, z
       type(c_ptr), value :: jacinv, jac
       integer(c_int) :: lx, nel
     end subroutine cuda_coef_generate_dxyzdrst
  end interface
 
  interface
     subroutine cuda_coef_generate_mass(B, Binv, jac, w3, lxyz, nel) &
          bind(c, name = 'cuda_coef_generate_mass')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: B, Binv, jac, w3
       integer(c_int) :: lxyz, nel
     end subroutine cuda_coef_generate_mass
  end interface
 
  interface
     subroutine cuda_coef_generate_area_and_normal(area, nx, ny, nz, &
          dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, dydt, dzdt, &
          wx, wy, wz, lx, nel, eps) &
          bind(c, name = 'cuda_coef_generate_area_and_normal')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       type(c_ptr), value :: area, nx, ny, nz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: wx, wy, wz
       integer(c_int) :: lx, nel
       real(kind=c_rp), value :: eps
     end subroutine cuda_coef_generate_area_and_normal
  end interface
 
  interface
     subroutine cuda_coef_get_normal(normal_x, normal_y, normal_z, nx, ny, nz, &
          i_idx, j_idx, k_idx, e_idx, facet, lx, n) &
          bind(c, name = 'cuda_coef_get_normal')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: normal_x, normal_y, normal_z
       type(c_ptr), value :: nx, ny, nz
       type(c_ptr), value :: i_idx, j_idx, k_idx, e_idx, facet
       integer(c_int) :: lx, n
     end subroutine cuda_coef_get_normal
  end interface
 
#elif HAVE_OPENCL
  interface
     subroutine opencl_coef_generate_geo(G11, G12, G13, G22, G23, G33, &
          drdx, drdy, drdz, dsdx, dsdy, dsdz, dtdx, dtdy, dtdz, &
          jacinv, w3, nel, lx, gdim) &
          bind(c, name = 'opencl_coef_generate_geo')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: G11, G12, G13, G22, G23, G33
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: jacinv, w3
       integer(c_int) :: nel, gdim, lx
     end subroutine opencl_coef_generate_geo
  end interface
 
  interface
     subroutine opencl_coef_generate_dxyzdrst(drdx, drdy, drdz, dsdx, dsdy, &
          dsdz, dtdx, dtdy, dtdz, dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, &
          dydt, dzdt, dx, dy, dz, x, y, z, jacinv, jac, lx, nel) &
          bind(c, name = 'opencl_coef_generate_dxyzdrst')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: dx, dy, dz, x, y, z
       type(c_ptr), value :: jacinv, jac
       integer(c_int) :: lx, nel
     end subroutine opencl_coef_generate_dxyzdrst
  end interface
 
  interface
     subroutine opencl_coef_generate_mass(B, Binv, jac, w3, lxyz, nel) &
          bind(c, name = 'opencl_coef_generate_mass')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: B, Binv, jac, w3
       integer(c_int) :: lxyz, nel
     end subroutine opencl_coef_generate_mass
  end interface
 
  interface
     subroutine opencl_coef_generate_area_and_normal(area, nx, ny, nz, &
          dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, dydt, dzdt, &
          wx, wy, wz, lx, nel, eps) &
          bind(c, name = 'opencl_coef_generate_area_and_normal')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       type(c_ptr), value :: area, nx, ny, nz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: wx, wy, wz
       integer(c_int) :: lx, nel
       real(kind=c_rp), value :: eps
     end subroutine opencl_coef_generate_area_and_normal
  end interface
 
  interface
     subroutine opencl_coef_get_normal(normal_x, normal_y, normal_z, &
          nx, ny, nz, i_idx, j_idx, k_idx, e_idx, facet, lx, n) &
          bind(c, name = 'opencl_coef_get_normal')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: normal_x, normal_y, normal_z
       type(c_ptr), value :: nx, ny, nz
       type(c_ptr), value :: i_idx, j_idx, k_idx, e_idx, facet
       integer(c_int) :: lx, n
     end subroutine opencl_coef_get_normal
  end interface
#elif HAVE_METAL
  interface
     subroutine metal_coef_generate_geo(G11, G12, G13, G22, G23, G33, &
          drdx, drdy, drdz, dsdx, dsdy, dsdz, dtdx, dtdy, dtdz, &
          jacinv, w3, nel, lx, gdim) &
          bind(c, name = 'metal_coef_generate_geo')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: G11, G12, G13, G22, G23, G33
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: jacinv, w3
       integer(c_int) :: nel, gdim, lx
     end subroutine metal_coef_generate_geo
  end interface
 
  interface
     subroutine metal_coef_generate_dxyzdrst(drdx, drdy, drdz, dsdx, dsdy, &
          dsdz, dtdx, dtdy, dtdz, dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, &
          dydt, dzdt, dx, dy, dz, x, y, z, jacinv, jac, lx, nel) &
          bind(c, name = 'metal_coef_generate_dxyzdrst')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: drdx, drdy, drdz
       type(c_ptr), value :: dsdx, dsdy, dsdz
       type(c_ptr), value :: dtdx, dtdy, dtdz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: dx, dy, dz, x, y, z
       type(c_ptr), value :: jacinv, jac
       integer(c_int) :: lx, nel
     end subroutine metal_coef_generate_dxyzdrst
  end interface
 
  interface
     subroutine metal_coef_generate_mass(B, Binv, jac, w3, lxyz, nel) &
          bind(c, name = 'metal_coef_generate_mass')
       use, intrinsic :: iso_c_binding
       implicit none
       type(c_ptr), value :: B, Binv, jac, w3
       integer(c_int) :: lxyz, nel
     end subroutine metal_coef_generate_mass
  end interface
 
  interface
     subroutine metal_coef_generate_area_and_normal(area, nx, ny, nz, &
          dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, dydt, dzdt, &
          wx, wy, wz, lx, nel, eps) &
          bind(c, name = 'metal_coef_generate_area_and_normal')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       type(c_ptr), value :: area, nx, ny, nz
       type(c_ptr), value :: dxdr, dydr, dzdr
       type(c_ptr), value :: dxds, dyds, dzds
       type(c_ptr), value :: dxdt, dydt, dzdt
       type(c_ptr), value :: wx, wy, wz
       integer(c_int) :: lx, nel
       real(kind=c_rp), value :: eps
     end subroutine metal_coef_generate_area_and_normal
  end interface
 
#endif
 
contains
 
  subroutine device_coef_generate_geo(G11_d, G12_d, G13_d, G22_d, &
       G23_d, G33_d, drdx_d, drdy_d, drdz_d, dsdx_d, dsdy_d, &
       dsdz_d, dtdx_d, dtdy_d, dtdz_d, jacinv_d, w3_d, nel, lx, gdim)
    type(c_ptr) :: g11_d, g12_d, g13_d, g22_d, g23_d, g33_d
    type(c_ptr) :: drdx_d, drdy_d, drdz_d
    type(c_ptr) :: dsdx_d, dsdy_d, dsdz_d
    type(c_ptr) :: dtdx_d, dtdy_d, dtdz_d
    type(c_ptr) :: jacinv_d, w3_d
    integer :: nel, gdim, lx
 
#ifdef HAVE_HIP
    call hip_coef_generate_geo(g11_d, g12_d, g13_d, g22_d, g23_d, &
         g33_d, drdx_d, drdy_d, drdz_d, dsdx_d, dsdy_d, dsdz_d, &
         dtdx_d, dtdy_d, dtdz_d, jacinv_d, w3_d, nel, lx, gdim)
#elif HAVE_CUDA
    call cuda_coef_generate_geo(g11_d, g12_d, g13_d, g22_d, g23_d, &
         g33_d, drdx_d, drdy_d, drdz_d, dsdx_d, dsdy_d, dsdz_d, &
         dtdx_d, dtdy_d, dtdz_d, jacinv_d, w3_d, nel, lx, gdim)
#elif HAVE_OPENCL
    call opencl_coef_generate_geo(g11_d, g12_d, g13_d, g22_d, g23_d, &
         g33_d, drdx_d, drdy_d, drdz_d, dsdx_d, dsdy_d, dsdz_d, &
         dtdx_d, dtdy_d, dtdz_d, jacinv_d, w3_d, nel, lx, gdim)
#elif HAVE_METAL
    call metal_coef_generate_geo(g11_d, g12_d, g13_d, g22_d, g23_d, &
         g33_d, drdx_d, drdy_d, drdz_d, dsdx_d, dsdy_d, dsdz_d, &
         dtdx_d, dtdy_d, dtdz_d, jacinv_d, w3_d, nel, lx, gdim)
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine device_coef_generate_geo
 
  subroutine device_coef_generate_dxydrst(drdx_d, drdy_d, drdz_d, &
       dsdx_d, dsdy_d, dsdz_d, &
       dtdx_d, dtdy_d, dtdz_d, &
       dxdr_d, dydr_d, dzdr_d, &
       dxds_d, dyds_d, dzds_d, &
       dxdt_d, dydt_d, dzdt_d, &
       dx_d, dy_d, dz_d, &
       x_d, y_d, z_d, &
       jacinv_d, jac_d, lx, nel)
    type(c_ptr) :: drdx_d, drdy_d, drdz_d
    type(c_ptr) :: dsdx_d, dsdy_d, dsdz_d
    type(c_ptr) :: dtdx_d, dtdy_d, dtdz_d
    type(c_ptr) :: dxdr_d, dydr_d, dzdr_d
    type(c_ptr) :: dxds_d, dyds_d, dzds_d
    type(c_ptr) :: dxdt_d, dydt_d, dzdt_d
    type(c_ptr) :: dx_d, dy_d, dz_d, x_d, y_d, z_d
    type(c_ptr) :: jacinv_d, jac_d
    integer :: lx, nel
 
#ifdef HAVE_HIP
    call hip_coef_generate_dxyzdrst(drdx_d, drdy_d, drdz_d, dsdx_d, &
         dsdy_d, dsdz_d, dtdx_d, dtdy_d, dtdz_d, dxdr_d, dydr_d, &
         dzdr_d, dxds_d, dyds_d, dzds_d, dxdt_d, dydt_d, dzdt_d, &
         dx_d, dy_d, dz_d, x_d, y_d, z_d, jacinv_d, jac_d, lx, nel)
#elif HAVE_CUDA
    call cuda_coef_generate_dxyzdrst(drdx_d, drdy_d, drdz_d, dsdx_d, &
         dsdy_d, dsdz_d, dtdx_d, dtdy_d, dtdz_d, dxdr_d, dydr_d, &
         dzdr_d, dxds_d, dyds_d, dzds_d, dxdt_d, dydt_d, dzdt_d, &
         dx_d, dy_d, dz_d, x_d, y_d, z_d, jacinv_d, jac_d, lx, nel)
#elif HAVE_OPENCL
    call opencl_coef_generate_dxyzdrst(drdx_d, drdy_d, drdz_d, dsdx_d, &
         dsdy_d, dsdz_d, dtdx_d, dtdy_d, dtdz_d, dxdr_d, dydr_d, &
         dzdr_d, dxds_d, dyds_d, dzds_d, dxdt_d, dydt_d, dzdt_d, &
         dx_d, dy_d, dz_d, x_d, y_d, z_d, jacinv_d, jac_d, lx, nel)
#elif HAVE_METAL
    call metal_coef_generate_dxyzdrst(drdx_d, drdy_d, drdz_d, dsdx_d, &
         dsdy_d, dsdz_d, dtdx_d, dtdy_d, dtdz_d, dxdr_d, dydr_d, &
         dzdr_d, dxds_d, dyds_d, dzds_d, dxdt_d, dydt_d, dzdt_d, &
         dx_d, dy_d, dz_d, x_d, y_d, z_d, jacinv_d, jac_d, lx, nel)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_coef_generate_dxydrst
 
  subroutine device_coef_generate_mass(B, Binv, jac, w3, lxyz, nel)
    type(c_ptr) :: b, binv, jac, w3
    integer :: lxyz, nel
 
#ifdef HAVE_HIP
    call hip_coef_generate_mass(b, binv, jac, w3, lxyz, nel)
#elif HAVE_CUDA
    call cuda_coef_generate_mass(b, binv, jac, w3, lxyz, nel)
#elif HAVE_OPENCL
    call opencl_coef_generate_mass(b, binv, jac, w3, lxyz, nel)
#elif HAVE_METAL
    call metal_coef_generate_mass(b, binv, jac, w3, lxyz, nel)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_coef_generate_mass
 
  subroutine device_coef_generate_area_and_normal(area_d, nx_d, ny_d, nz_d, &
       dxdr_d, dydr_d, dzdr_d, &
       dxds_d, dyds_d, dzds_d, &
       dxdt_d, dydt_d, dzdt_d, &
       wx_d, wy_d, wz_d, &
       lx, nel, eps)
    type(c_ptr) :: area_d, nx_d, ny_d, nz_d
    type(c_ptr) :: dxdr_d, dydr_d, dzdr_d
    type(c_ptr) :: dxds_d, dyds_d, dzds_d
    type(c_ptr) :: dxdt_d, dydt_d, dzdt_d
    type(c_ptr) :: wx_d, wy_d, wz_d
    integer :: lx, nel
    real(kind=c_rp), value :: eps
 
#ifdef HAVE_HIP
    call hip_coef_generate_area_and_normal(area_d, nx_d, ny_d, nz_d, &
         dxdr_d, dydr_d, dzdr_d, &
         dxds_d, dyds_d, dzds_d, &
         dxdt_d, dydt_d, dzdt_d, &
         wx_d, wy_d, wz_d, &
         lx, nel, eps)
#elif HAVE_CUDA
    call cuda_coef_generate_area_and_normal(area_d, nx_d, ny_d, nz_d, &
         dxdr_d, dydr_d, dzdr_d, &
         dxds_d, dyds_d, dzds_d, &
         dxdt_d, dydt_d, dzdt_d, &
         wx_d, wy_d, wz_d, &
         lx, nel, eps)
#elif HAVE_OPENCL
    call opencl_coef_generate_area_and_normal(area_d, nx_d, ny_d, nz_d, &
         dxdr_d, dydr_d, dzdr_d, &
         dxds_d, dyds_d, dzds_d, &
         dxdt_d, dydt_d, dzdt_d, &
         wx_d, wy_d, wz_d, &
         lx, nel, eps)
#elif HAVE_METAL
    call metal_coef_generate_area_and_normal(area_d, nx_d, ny_d, nz_d, &
         dxdr_d, dydr_d, dzdr_d, &
         dxds_d, dyds_d, dzds_d, &
         dxdt_d, dydt_d, dzdt_d, &
         wx_d, wy_d, wz_d, &
         lx, nel, eps)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_coef_generate_area_and_normal
 
  subroutine device_coef_get_normal(normal_x_d, normal_y_d, normal_z_d, &
       nx_d, ny_d, nz_d, i_idx_d, j_idx_d, k_idx_d, e_idx_d, facet_d, lx, n)
    type(c_ptr) :: normal_x_d, normal_y_d, normal_z_d
    type(c_ptr) :: nx_d, ny_d, nz_d
    type(c_ptr) :: i_idx_d, j_idx_d, k_idx_d, e_idx_d, facet_d
    integer :: lx, n
 
#ifdef HAVE_HIP
    call hip_coef_get_normal(normal_x_d, normal_y_d, normal_z_d, &
         nx_d, ny_d, nz_d, i_idx_d, j_idx_d, k_idx_d, e_idx_d, facet_d, &
         lx, n)
#elif HAVE_CUDA
    call cuda_coef_get_normal(normal_x_d, normal_y_d, normal_z_d, &
         nx_d, ny_d, nz_d, i_idx_d, j_idx_d, k_idx_d, e_idx_d, facet_d, &
         lx, n)
#elif HAVE_OPENCL
    call opencl_coef_get_normal(normal_x_d, normal_y_d, normal_z_d, &
         nx_d, ny_d, nz_d, i_idx_d, j_idx_d, k_idx_d, e_idx_d, facet_d, &
         lx, n)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_coef_get_normal
 
end module device_coef