device_heaviside_mapping.f90

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!
module device_heaviside_mapping
  use utils, only: neko_error
  use num_types, only: rp, c_rp
  use, intrinsic :: iso_c_binding, only: c_ptr, c_int
  implicit none
  private
 
  public :: device_heaviside_mapping_apply, &
       device_heaviside_mapping_apply_backward
 
#if HAVE_HIP
  interface
 
     subroutine hip_heaviside_mapping_apply(beta, eta, X_out_d, &
          X_in_d, n) bind(c, name = 'hip_heaviside_mapping_apply')
       import c_rp, c_ptr, c_int
       real(c_rp) :: beta
       real(c_rp) :: eta
       type(c_ptr), value :: X_out_d
       type(c_ptr), value :: X_in_d
       integer(c_int) :: n
     end subroutine hip_heaviside_mapping_apply
  end interface
 
  interface
 
     subroutine hip_heaviside_mapping_apply_backward(beta, eta, &
          sens_out_d, sens_in_d, X_in_d, n) &
          bind(c, name = 'hip_heaviside_mapping_apply_backward')
       import c_rp, c_ptr, c_int
       real(c_rp) :: beta
       real(c_rp) :: eta
       type(c_ptr), value :: sens_out_d
       type(c_ptr), value :: sens_in_d
       type(c_ptr), value :: X_in_d
       integer(c_int) :: n
     end subroutine hip_heaviside_mapping_apply_backward
  end interface
#elif HAVE_CUDA
  interface
 
     subroutine cuda_heaviside_mapping_apply(beta, eta, X_out_d, &
          X_in_d, n) bind(c, name = 'cuda_heaviside_mapping_apply')
       import c_rp, c_ptr, c_int
       real(c_rp) :: beta
       real(c_rp) :: eta
       type(c_ptr), value :: X_out_d
       type(c_ptr), value :: X_in_d
       integer(c_int) :: n
     end subroutine cuda_heaviside_mapping_apply
  end interface
 
  interface
 
     subroutine cuda_heaviside_mapping_apply_backward(beta, eta, &
          sens_out_d, sens_in_d, X_in_d, n) &
          bind(c, name = 'cuda_heaviside_mapping_apply_backward')
       import c_rp, c_ptr, c_int
       real(c_rp) :: beta
       real(c_rp) :: eta
       type(c_ptr), value :: sens_out_d
       type(c_ptr), value :: sens_in_d
       type(c_ptr), value :: X_in_d
       integer(c_int) :: n
     end subroutine cuda_heaviside_mapping_apply_backward
  end interface
#elif HAVE_OPENCL
#endif
 
contains
 
  subroutine device_heaviside_mapping_apply(beta, eta, X_out_d, &
       X_in_d, n)
    real(kind=rp), intent(in) :: beta
    real(kind=rp), intent(in) :: eta
    type(c_ptr) :: x_out_d
    type(c_ptr) :: x_in_d
    integer :: n
#if HAVE_HIP
    call hip_heaviside_mapping_apply(beta, eta, x_out_d, x_in_d, n)
#elif HAVE_CUDA
    call cuda_heaviside_mapping_apply(beta, eta, x_out_d, x_in_d, n)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_heaviside_mapping_apply
 
  subroutine device_heaviside_mapping_apply_backward(beta, eta, &
       sens_out_d, sens_in_d, X_in_d, n)
    real(kind=rp), intent(in) :: beta
    real(kind=rp), intent(in) :: eta
    type(c_ptr) :: sens_out_d
    type(c_ptr) :: sens_in_d
    type(c_ptr) :: x_in_d
    integer :: n
#if HAVE_HIP
    call hip_heaviside_mapping_apply_backward(beta, eta, sens_out_d, &
         sens_in_d, x_in_d, n)
#elif HAVE_CUDA
    call cuda_heaviside_mapping_apply_backward(beta, eta, sens_out_d, &
         sens_in_d, x_in_d, n)
#else
    call neko_error('No device backend configured')
#endif
  end subroutine device_heaviside_mapping_apply_backward
 
end module device_heaviside_mapping