-
Notifications
You must be signed in to change notification settings - Fork 2
/
pack_kernel.f90
166 lines (134 loc) · 5.23 KB
/
pack_kernel.f90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
!Crown Copyright 2012 AWE.
!
! This file is part of CloverLeaf.
!
! CloverLeaf 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.
!
! CloverLeaf 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
! CloverLeaf. If not, see http://www.gnu.org/licenses/.
!> @brief Fortran mpi buffer packing kernel
!> @author Wayne Gaudin
!> @details Packs/unpacks mpi send and receive buffers
MODULE pack_kernel_module
CONTAINS
SUBROUTINE pack_left_right_buffers(x_min,x_max,y_min,y_max, &
chunk_left,chunk_right,external_face, &
x_inc,y_inc,depth,size, &
field,left_snd_buffer,right_snd_buffer)
IMPLICIT NONE
INTEGER :: x_min,x_max,y_min,y_max
INTEGER :: chunk_left,chunk_right,external_face
INTEGER :: x_inc,y_inc,depth,size
REAL(KIND=8) :: field(-1:,-1:) ! This seems to work for any type of mesh data
REAL(KIND=8) :: left_snd_buffer(:),right_snd_buffer(:)
INTEGER :: j,k,index
IF(chunk_left.NE.external_face) THEN
DO k=y_min-depth,y_max+y_inc+depth
DO j=1,depth
index=j+(k+depth-1)*depth
left_snd_buffer(index)=field(x_min+x_inc-1+j,k)
ENDDO
ENDDO
ENDIF
IF(chunk_right.NE.external_face) THEN
DO k=y_min-depth,y_max+y_inc+depth
DO j=1,depth
index=j+(k+depth-1)*depth
right_snd_buffer(index)=field(x_max+1-j,k)
ENDDO
ENDDO
ENDIF
END SUBROUTINE pack_left_right_buffers
SUBROUTINE unpack_left_right_buffers(x_min,x_max,y_min,y_max, &
chunk_left,chunk_right,external_face, &
x_inc,y_inc,depth,size, &
field,left_rcv_buffer,right_rcv_buffer)
IMPLICIT NONE
INTEGER :: x_min,x_max,y_min,y_max
INTEGER :: chunk_left,chunk_right,external_face
INTEGER :: x_inc,y_inc,depth,size
REAL(KIND=8) :: field(-1:,-1:) ! This seems to work for any type of mesh data
REAL(KIND=8) :: left_rcv_buffer(:),right_rcv_buffer(:)
INTEGER :: j,k,index
IF(chunk_left.NE.external_face) THEN
DO k=y_min-depth,y_max+y_inc+depth
DO j=1,depth
index=j+(k+depth-1)*depth
field(x_min-j,k)=left_rcv_buffer(index)
ENDDO
ENDDO
ENDIF
IF(chunk_right.NE.external_face) THEN
DO k=y_min-depth,y_max+y_inc+depth
DO j=1,depth
index=j+(k+depth-1)*depth
field(x_max+x_inc+j,k)=right_rcv_buffer(index)
ENDDO
ENDDO
ENDIF
END SUBROUTINE unpack_left_right_buffers
SUBROUTINE pack_top_bottom_buffers(x_min,x_max,y_min,y_max, &
chunk_bottom,chunk_top,external_face, &
x_inc,y_inc,depth,size, &
field,bottom_snd_buffer,top_snd_buffer)
IMPLICIT NONE
INTEGER :: x_min,x_max,y_min,y_max
INTEGER :: chunk_bottom,chunk_top,external_face
INTEGER :: x_inc,y_inc,depth,size
REAL(KIND=8) :: field(-1:,-1:) ! This seems to work for any type of mesh data
REAL(KIND=8) :: bottom_snd_buffer(:),top_snd_buffer(:)
INTEGER :: j,k,index
IF(chunk_bottom.NE.external_face) THEN
DO k=1,depth
DO j=x_min-depth,x_max+x_inc+depth
index=j+depth+(k-1)*(x_max+x_inc+(2*depth))
bottom_snd_buffer(index)=field(j,y_min+y_inc-1+k)
ENDDO
ENDDO
ENDIF
IF(chunk_top.NE.external_face) THEN
DO k=1,depth
DO j=x_min-depth,x_max+x_inc+depth
index=j+depth+(k-1)*(x_max+x_inc+(2*depth))
top_snd_buffer(index)=field(j,y_max+1-k)
ENDDO
ENDDO
ENDIF
END SUBROUTINE pack_top_bottom_buffers
SUBROUTINE unpack_top_bottom_buffers(x_min,x_max,y_min,y_max, &
chunk_bottom,chunk_top,external_face, &
x_inc,y_inc,depth,size, &
field,bottom_rcv_buffer,top_rcv_buffer)
IMPLICIT NONE
INTEGER :: x_min,x_max,y_min,y_max
INTEGER :: chunk_bottom,chunk_top,external_face
INTEGER :: x_inc,y_inc,depth,size
REAL(KIND=8) :: field(-1:,-1:) ! This seems to work for any type of mesh data
REAL(KIND=8) :: bottom_rcv_buffer(:),top_rcv_buffer(:)
INTEGER :: j,k,index
IF(chunk_bottom.NE.external_face) THEN
DO k=1,depth
DO j=x_min-depth,x_max+x_inc+depth
index=j+depth+(k-1)*(x_max+x_inc+(2*depth))
field(j,y_min-k)=bottom_rcv_buffer(index)
ENDDO
ENDDO
ENDIF
IF(chunk_top.NE.external_face) THEN
DO k=1,depth
DO j=x_min-depth,x_max+x_inc+depth
index=j+depth+(k-1)*(x_max+x_inc+(2*depth))
field(j,y_max+y_inc+k)=top_rcv_buffer(index)
ENDDO
ENDDO
ENDIF
END SUBROUTINE unpack_top_bottom_buffers
END MODULE pack_kernel_module