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build_field.f90
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build_field.f90
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!Crown Copyright 2014 AWE.
!
! This file is part of TeaLeaf.
!
! TeaLeaf is free software: you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the
! Free Software Foundation, either version 3 of the License, or (at your option)
! any later version.
!
! TeaLeaf is distributed in the hope that it will be useful, but
! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! TeaLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Allocates the data for each mesh chunk
!> @author David Beckingsale, Wayne Gaudin
!> @details The data fields for the mesh chunk are allocated based on the mesh
!> size.
SUBROUTINE build_field(chunk,x_cells,y_cells)
USE tea_module
IMPLICIT NONE
INTEGER :: chunk,x_cells,y_cells,j,k
chunks(chunk)%field%x_min=1
chunks(chunk)%field%y_min=1
chunks(chunk)%field%x_max=x_cells
chunks(chunk)%field%y_max=y_cells
ALLOCATE(chunks(chunk)%field%density (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%energy0 (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%energy1 (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%u0 (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%u (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_p(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_r(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_Mi(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_w(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_z(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_Kx(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_Ky(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vector_sd(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%cellx (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2))
ALLOCATE(chunks(chunk)%field%celly (chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vertexx (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+3))
ALLOCATE(chunks(chunk)%field%vertexy (chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+3))
ALLOCATE(chunks(chunk)%field%celldx (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2))
ALLOCATE(chunks(chunk)%field%celldy (chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%vertexdx(chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+3))
ALLOCATE(chunks(chunk)%field%vertexdy(chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+3))
ALLOCATE(chunks(chunk)%field%volume (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%xarea (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+3, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+2))
ALLOCATE(chunks(chunk)%field%yarea (chunks(chunk)%field%x_min-2:chunks(chunk)%field%x_max+2, &
chunks(chunk)%field%y_min-2:chunks(chunk)%field%y_max+3))
! Zeroing isn't strictly neccessary but it ensures physical pages
! are allocated. This prevents first touch overheads in the main code
! cycle which can skew timings in the first step
! Explicit loop limits ensures correct NUMA access, which array syntax does
! not
!$OMP PARALLEL
!$OMP DO
DO k=chunks(chunk)%field%y_min-2,chunks(chunk)%field%y_max+2
DO j=chunks(chunk)%field%x_min-2,chunks(chunk)%field%x_max+2
chunks(chunk)%field%vector_p(j,k)=0.0
chunks(chunk)%field%vector_r(j,k)=0.0
chunks(chunk)%field%vector_Mi(j,k)=0.0
chunks(chunk)%field%vector_w(j,k)=0.0
chunks(chunk)%field%vector_z(j,k)=0.0
chunks(chunk)%field%vector_Kx(j,k)=0.0
chunks(chunk)%field%vector_Ky(j,k)=0.0
chunks(chunk)%field%density(j,k)=0.0
chunks(chunk)%field%energy0(j,k)=0.0
chunks(chunk)%field%energy1(j,k)=0.0
chunks(chunk)%field%u(j,k)=0.0
chunks(chunk)%field%u0(j,k)=0.0
ENDDO
ENDDO
!$OMP ENDDO
!$OMP DO
DO k=chunks(chunk)%field%y_min-2,chunks(chunk)%field%y_max+2
DO j=chunks(chunk)%field%x_min-2,chunks(chunk)%field%x_max+3
chunks(chunk)%field%xarea(j,k)=0.0
ENDDO
ENDDO
!$OMP END DO
!$OMP DO
DO k=chunks(chunk)%field%y_min-2,chunks(chunk)%field%y_max+3
DO j=chunks(chunk)%field%x_min-2,chunks(chunk)%field%x_max+2
chunks(chunk)%field%yarea(j,k)=0.0
ENDDO
ENDDO
!$OMP END DO
!$OMP DO
DO j=chunks(chunk)%field%x_min-2,chunks(chunk)%field%x_max+2
chunks(chunk)%field%cellx(j)=0.0
chunks(chunk)%field%celldx(j)=0.0
ENDDO
!$OMP END DO
!$OMP DO
DO k=chunks(chunk)%field%y_min-2,chunks(chunk)%field%y_max+2
chunks(chunk)%field%celly(k)=0.0
chunks(chunk)%field%celldy(k)=0.0
ENDDO
!$OMP END DO
!$OMP DO
DO j=chunks(chunk)%field%x_min-2,chunks(chunk)%field%x_max+3
chunks(chunk)%field%vertexx(j)=0.0
chunks(chunk)%field%vertexdx(j)=0.0
ENDDO
!$OMP END DO
!$OMP DO
DO k=chunks(chunk)%field%y_min-2,chunks(chunk)%field%y_max+3
chunks(chunk)%field%vertexy(k)=0.0
chunks(chunk)%field%vertexdy(k)=0.0
ENDDO
!$OMP END DO
!$OMP END PARALLEL
END SUBROUTINE build_field