global_ocean.cs32x15/code_ad/SIZE.h

C $Header: /u/gcmpack/MITgcm/verification/global_ocean.cs32x15/code/SIZE.h,v 1.6 2009/05/28 23:19:29 jmc Exp $
C $Name:  $


CBOP
C    !ROUTINE: SIZE.h
C    !INTERFACE:
C    include SIZE.h
C    !DESCRIPTION: \bv
C     *==========================================================*
C     | SIZE.h Declare size of underlying computational grid.     
C     *==========================================================*
C     | The design here support a three-dimensional model grid    
C     | with indices I,J and K. The three-dimensional domain      
C     | is comprised of nPx*nSx blocks of size sNx along one axis 
C     | nPy*nSy blocks of size sNy along another axis and one     
C     | block of size Nz along the final axis.                    
C     | Blocks have overlap regions of size OLx and OLy along the 
C     | dimensions that are subdivided.                           
C     *==========================================================*
C     \ev
CEOP
C     Voodoo numbers controlling data layout.
C     sNx :: No. X points in sub-grid.
C     sNy :: No. Y points in sub-grid.
C     OLx :: Overlap extent in X.
C     OLy :: Overlat extent in Y.
C     nSx :: No. sub-grids in X.
C     nSy :: No. sub-grids in Y.
C     nPx :: No. of processes to use in X.
C     nPy :: No. of processes to use in Y.
C     Nx  :: No. points in X for the total domain.
C     Ny  :: No. points in Y for the total domain.
C     Nr  :: No. points in Z for full process domain.
      INTEGER sNx
      INTEGER sNy
      INTEGER OLx
      INTEGER OLy
      INTEGER nSx
      INTEGER nSy
      INTEGER nPx
      INTEGER nPy
      INTEGER Nx
      INTEGER Ny
      INTEGER Nr
C-- Note: the 4 test-experiments (input, input.thsice, input.viscA4 and
C         input.icedyn ) have different minimum Overlap-size requirement:
C    input & input.thsice : work with Olx=Oly=2 (= absolute minimum size) ;
C    input.viscA4 : needs at least Olx=Oly=3 (for biharmonic viscosity) ;
C    input.icedyn : needs at least Olx=Oly=4 (CS-grid multidimensional Advect.)
      PARAMETER (
     &           sNx =  32,
     &           sNy =  16,
     &           OLx =   4,
     &           OLy =   4,
     &           nSx =  12,
     &           nSy =   1,
     &           nPx =   1,
     &           nPy =   1,
     &           Nx  = sNx*nSx*nPx,
     &           Ny  = sNy*nSy*nPy,
     &           Nr  =  15)

C     MAX_OLX :: Set to the maximum overlap region size of any array
C     MAX_OLY    that will be exchanged. Controls the sizing of exch
C                routine buffers.
      INTEGER MAX_OLX
      INTEGER MAX_OLY
      PARAMETER ( MAX_OLX = OLx,
     &            MAX_OLY = OLy )

      INTEGER nobcs
      PARAMETER ( nobcs = 4 )

1	C $Header: /u/gcmpack/MITgcm/verification/global_ocean.cs32x15/code/SIZE.h,v 1.6 2009/05/28 23:19:29 jmc Exp $
2	C $Name: $
3
4
5	CBOP
6	C !ROUTINE: SIZE.h
7	C !INTERFACE:
8	C include SIZE.h
9	C !DESCRIPTION: \bv
10	C ==========================================================
11	C \| SIZE.h Declare size of underlying computational grid.
12	C ==========================================================
13	C \| The design here support a three-dimensional model grid
14	C \| with indices I,J and K. The three-dimensional domain
15	C \| is comprised of nPx*nSx blocks of size sNx along one axis
16	C \| nPy*nSy blocks of size sNy along another axis and one
17	C \| block of size Nz along the final axis.
18	C \| Blocks have overlap regions of size OLx and OLy along the
19	C \| dimensions that are subdivided.
20	C ==========================================================
21	C \ev
22	CEOP
23	C Voodoo numbers controlling data layout.
24	C sNx :: No. X points in sub-grid.
25	C sNy :: No. Y points in sub-grid.
26	C OLx :: Overlap extent in X.
27	C OLy :: Overlat extent in Y.
28	C nSx :: No. sub-grids in X.
29	C nSy :: No. sub-grids in Y.
30	C nPx :: No. of processes to use in X.
31	C nPy :: No. of processes to use in Y.
32	C Nx :: No. points in X for the total domain.
33	C Ny :: No. points in Y for the total domain.
34	C Nr :: No. points in Z for full process domain.
35	INTEGER sNx
36	INTEGER sNy
37	INTEGER OLx
38	INTEGER OLy
39	INTEGER nSx
40	INTEGER nSy
41	INTEGER nPx
42	INTEGER nPy
43	INTEGER Nx
44	INTEGER Ny
45	INTEGER Nr
46	C-- Note: the 4 test-experiments (input, input.thsice, input.viscA4 and
47	C input.icedyn ) have different minimum Overlap-size requirement:
48	C input & input.thsice : work with Olx=Oly=2 (= absolute minimum size) ;
49	C input.viscA4 : needs at least Olx=Oly=3 (for biharmonic viscosity) ;
50	C input.icedyn : needs at least Olx=Oly=4 (CS-grid multidimensional Advect.)
51	PARAMETER (
52	& sNx = 32,
53	& sNy = 16,
54	& OLx = 4,
55	& OLy = 4,
56	& nSx = 12,
57	& nSy = 1,
58	& nPx = 1,
59	& nPy = 1,
60	& Nx = sNxnSxnPx,
61	& Ny = sNynSynPy,
62	& Nr = 15)
63
64	C MAX_OLX :: Set to the maximum overlap region size of any array
65	C MAX_OLY that will be exchanged. Controls the sizing of exch
66	C routine buffers.
67	INTEGER MAX_OLX
68	INTEGER MAX_OLY
69	PARAMETER ( MAX_OLX = OLx,
70	& MAX_OLY = OLy )
71
72	INTEGER nobcs
73	PARAMETER ( nobcs = 4 )
74