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OpenACC port of atm_bdy_reset_speczone_values #1270

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Merged
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Apr 11, 2025
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OpenACC port of atm_bdy_reset_speczone_values #1270

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14 changes: 14 additions & 0 deletions src/core_atmosphere/dynamics/mpas_atm_time_integration.F
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Original file line number Diff line number Diff line change
Expand Up @@ -6962,15 +6962,29 @@ subroutine atm_bdy_reset_speczone_values( state, diag, mesh, nVertLevels, &
call mpas_pool_get_array(state, 'theta_m', theta_m, 2)
call mpas_pool_get_array(diag, 'rtheta_p', rtheta_p)
call mpas_pool_get_array(diag, 'rtheta_base', rtheta_base)

MPAS_ACC_TIMER_START('atm_bdy_reset_speczone_values [ACC_data_xfer]')
!$acc enter data copyin(rt_driving_values, rho_driving_values, rtheta_base, &
!$acc theta_m, rtheta_p)
MPAS_ACC_TIMER_STOP('atm_bdy_reset_speczone_values [ACC_data_xfer]')

!$acc parallel default(present)
!$acc loop gang worker
do iCell = cellSolveStart, cellSolveEnd
if( bdyMaskCell(iCell) > nRelaxZone) then
!$acc loop vector
do k=1, nVertLevels
theta_m(k,iCell) = rt_driving_values(k,iCell)/rho_driving_values(k,iCell)
rtheta_p(k,iCell) = rt_driving_values(k,iCell) - rtheta_base(k,iCell)
end do
end if
end do
!$acc end parallel

MPAS_ACC_TIMER_START('atm_bdy_reset_speczone_values [ACC_data_xfer]')
!$acc exit data copyout(theta_m, rtheta_p) &
!$acc delete(rt_driving_values, rho_driving_values, rtheta_base)
MPAS_ACC_TIMER_STOP('atm_bdy_reset_speczone_values [ACC_data_xfer]')

end subroutine atm_bdy_reset_speczone_values

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