device_math_ext.f90

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!
module device_math_ext
  use utils, only: neko_error
  use num_types, only: rp, c_rp
  use, intrinsic :: iso_c_binding, only: c_ptr, c_int
  implicit none
 
#if HAVE_HIP
 
  interface
     subroutine hip_copy_mask(a_d, b_d, size, mask_d, mask_size) &
          bind(c, name = 'hip_copy_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_copy_mask
  end interface
  interface
     subroutine hip_cadd_mask(a_d, c, size, mask_d, mask_size) &
          bind(c, name = 'hip_cadd_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       real(c_rp) :: c
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_cadd_mask
  end interface
  interface
     subroutine hip_invcol1_mask(a_d, size, mask_d, mask_size) &
          bind(c, name = 'hip_invcol1_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_invcol1_mask
  end interface
  interface
     subroutine hip_col2_mask(a_d, b_d, size, mask_d, mask_size) &
          bind(c, name = 'hip_col2_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_col2_mask
  end interface
  interface
     subroutine hip_col3_mask(a_d, b_d, c_d, size, mask_d, mask_size) &
          bind(c, name = 'hip_col3_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       type(c_ptr), value :: c_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_col3_mask
  end interface
  interface
     subroutine hip_sub3_mask(a_d, b_d, c_d, size, mask_d, mask_size) &
          bind(c, name = 'hip_sub3_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       type(c_ptr), value :: c_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine hip_sub3_mask
  end interface
 
#elif HAVE_CUDA
 
  interface
     subroutine cuda_copy_mask(a_d, b_d, size, mask_d, mask_size) &
          bind(c, name = 'cuda_copy_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_copy_mask
  end interface
  interface
     subroutine cuda_cadd_mask(a_d, c, size, mask_d, mask_size) &
          bind(c, name = 'cuda_cadd_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       real(c_rp) :: c
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_cadd_mask
  end interface
  interface
     subroutine cuda_invcol1_mask(a_d, size, mask_d, mask_size) &
          bind(c, name = 'cuda_invcol1_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_invcol1_mask
  end interface
  interface
     subroutine cuda_col2_mask(a_d, b_d, size, mask_d, mask_size) &
          bind(c, name = 'cuda_col2_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_col2_mask
  end interface
  interface
     subroutine cuda_col3_mask(a_d, b_d, c_d, size, mask_d, mask_size) &
          bind(c, name = 'cuda_col3_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       type(c_ptr), value :: c_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_col3_mask
  end interface
  interface
     subroutine cuda_sub3_mask(a_d, b_d, c_d, size, mask_d, mask_size) &
          bind(c, name = 'cuda_sub3_mask')
       import c_rp, c_int, c_ptr
       type(c_ptr), value :: a_d
       type(c_ptr), value :: b_d
       type(c_ptr), value :: c_d
       integer(c_int) :: size
       type(c_ptr), value :: mask_d
       integer(c_int) :: mask_size
     end subroutine cuda_sub3_mask
  end interface
 
#elif HAVE_OPENCL
 
#endif
 
contains
 
  subroutine device_copy_mask(a_d, b_d, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    type(c_ptr) :: b_d
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_copy_mask(a_d, b_d, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_copy_mask(a_d, b_d, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_copy_mask')
#endif
  end subroutine device_copy_mask
 
  subroutine device_cadd_mask(a_d, c, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    real(kind=rp), intent(in) :: c
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_cadd_mask(a_d, c, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_cadd_mask(a_d, c, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_cadd_mask')
#endif
  end subroutine device_cadd_mask
 
  subroutine device_invcol1_mask(a_d, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_invcol1_mask(a_d, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_invcol1_mask(a_d, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_invcol1_mask')
#endif
  end subroutine device_invcol1_mask
 
  subroutine device_col2_mask(a_d, b_d, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    type(c_ptr) :: b_d
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_col2_mask(a_d, b_d, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_col2_mask(a_d, b_d, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_col2_mask')
#endif
  end subroutine device_col2_mask
 
  subroutine device_col3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    type(c_ptr) :: b_d
    type(c_ptr) :: c_d
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_col3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_col3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_col3_mask')
#endif
  end subroutine device_col3_mask
 
  subroutine device_sub3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
    type(c_ptr) :: a_d
    type(c_ptr) :: b_d
    type(c_ptr) :: c_d
    integer :: size
    type(c_ptr) :: mask_d
    integer :: mask_size
#if HAVE_HIP
    call hip_sub3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
#elif HAVE_CUDA
    call cuda_sub3_mask(a_d, b_d, c_d, size, mask_d, mask_size)
#else
    call neko_error('No device backend configured for device_sub3_mask')
#endif
  end subroutine device_sub3_mask
 
end module device_math_ext