device_smagorinsky_nut.F90

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module device_smagorinsky_nut
  use, intrinsic :: iso_c_binding, only : c_ptr, c_int
  use num_types, only : rp, c_rp
  use utils, only : neko_error
  use comm, only : neko_comm, pe_size, mpi_real_precision
  use mpi_f08, only : mpi_sum, mpi_in_place, mpi_allreduce
 
  implicit none
  private
 
#ifdef HAVE_HIP
  interface
     subroutine hip_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n) &
          bind(c, name = 'hip_smagorinsky_nut_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       import c_rp
       type(c_ptr), value :: s11_d, s22_d, s33_d, &
                             s12_d, s13_d, s23_d, &
                             delta_d, nut_d, mult_d
       integer(c_int) :: n
       real(c_rp) :: c_s
     end subroutine hip_smagorinsky_nut_compute
  end interface
#elif HAVE_CUDA
  interface
     subroutine cuda_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n) &
          bind(c, name = 'cuda_smagorinsky_nut_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       import c_rp
       type(c_ptr), value :: s11_d, s22_d, s33_d, &
                             s12_d, s13_d, s23_d, &
                             delta_d, nut_d, mult_d
       integer(c_int) :: n
       real(c_rp) :: c_s
     end subroutine cuda_smagorinsky_nut_compute
  end interface
#elif HAVE_OPENCL
  interface
     subroutine opencl_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n) &
          bind(c, name = 'opencl_smagorinsky_nut_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       import c_rp
       type(c_ptr), value :: s11_d, s22_d, s33_d, &
                             s12_d, s13_d, s23_d, &
                             delta_d, nut_d, mult_d
       integer(c_int) :: n
       real(c_rp) :: c_s
     end subroutine opencl_smagorinsky_nut_compute
  end interface
#elif HAVE_METAL
  interface
     subroutine metal_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n) &
          bind(c, name = 'metal_smagorinsky_nut_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       import c_rp
       type(c_ptr), value :: s11_d, s22_d, s33_d, &
                             s12_d, s13_d, s23_d, &
                             delta_d, nut_d, mult_d
       integer(c_int) :: n
       real(c_rp) :: c_s
     end subroutine metal_smagorinsky_nut_compute
  end interface
#endif
 
  public :: device_smagorinsky_nut_compute
 
contains
 
  subroutine device_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n)
    type(c_ptr) :: s11_d, s22_d, s33_d, &
                   s12_d, s13_d, s23_d, &
                   delta_d, nut_d, mult_d
    integer :: n
    real(kind=rp) :: c_s
#if HAVE_HIP
    call hip_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n)
#elif HAVE_CUDA
    call cuda_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n)
#elif HAVE_OPENCL
    call opencl_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n)
#elif HAVE_METAL
    call metal_smagorinsky_nut_compute(s11_d, s22_d, s33_d, &
                              s12_d, s13_d, s23_d, &
                              delta_d, nut_d, mult_d, c_s, n)
#else
    call neko_error('no device backend configured')
#endif
  end subroutine device_smagorinsky_nut_compute
 
 
end module device_smagorinsky_nut