/[MITgcm]/MITgcm/pkg/autodiff/global_sum_ad.F
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Contents of /MITgcm/pkg/autodiff/global_sum_ad.F

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Revision 1.1 - (show annotations) (download)
Sun Mar 25 22:33:54 2001 UTC (23 years, 2 months ago) by heimbach
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint47e_post, checkpoint57m_post, checkpoint52l_pre, checkpoint44e_post, hrcube4, hrcube5, checkpoint46l_post, checkpoint57g_pre, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint50c_post, checkpoint57s_post, checkpoint58b_post, checkpoint57b_post, checkpoint46f_post, checkpoint52d_pre, checkpoint57g_post, checkpoint48e_post, checkpoint56b_post, checkpoint50c_pre, checkpoint57y_post, checkpoint44f_post, checkpoint46b_post, checkpoint52j_pre, checkpoint43a-release1mods, checkpoint51o_pre, checkpoint54d_post, checkpoint54e_post, ecco_c50_e32, ecco_c50_e33, ecco_c50_e30, ecco_c50_e31, release1_p13, checkpoint40pre3, checkpoint40pre1, checkpoint51l_post, checkpoint40pre7, checkpoint40pre6, checkpoint48i_post, checkpoint57r_post, checkpoint40pre9, checkpoint40pre8, checkpoint46l_pre, checkpoint57d_post, checkpoint57i_post, checkpoint52l_post, checkpoint52k_post, chkpt44d_post, checkpoint58, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint51, checkpoint50, checkpoint53, checkpoint52, release1_p8, release1_p9, checkpoint50d_post, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint58f_post, checkpoint52f_post, checkpoint57n_post, checkpoint58d_post, checkpoint58a_post, checkpoint50b_pre, checkpoint44e_pre, checkpoint57z_post, checkpoint54f_post, checkpoint51f_post, release1_b1, ecco_c51_e34d, ecco_c51_e34e, ecco_c51_e34f, ecco_c51_e34g, ecco_c51_e34a, ecco_c51_e34b, ecco_c51_e34c, checkpoint48b_post, checkpoint43, checkpoint51d_post, checkpoint48c_pre, checkpoint47d_pre, checkpoint51t_post, checkpoint38, c49_autodiff, checkpoint51n_post, release1_chkpt44d_post, checkpoint55i_post, checkpoint58m_post, checkpoint57l_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint47a_post, checkpoint57t_post, checkpoint55c_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint52e_pre, checkpoint57v_post, checkpoint57f_post, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, icebear5, icebear4, icebear3, icebear2, checkpoint53d_post, checkpoint46d_pre, checkpoint40pre2, checkpoint57a_post, checkpoint48d_post, release1-branch_tutorials, checkpoint57h_pre, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint57h_post, checkpoint51l_pre, checkpoint52m_post, checkpoint57y_pre, chkpt44a_post, checkpoint55g_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, checkpoint40pre4, ecco_c50_e29, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, ecco_c50_e28, chkpt44c_pre, checkpoint58o_post, checkpoint48a_post, checkpoint45a_post, checkpoint57c_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint58p_post, checkpoint58q_post, checkpoint52f_pre, checkpoint55d_post, ecco_c44_e19, ecco_c44_e18, ecco_c44_e17, ecco_c44_e16, release1_p12, checkpoint58e_post, release1_p10, release1_p11, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint47j_post, checkpoint54a_pre, ecco_c50_e33a, checkpoint53c_post, checkpoint55d_pre, checkpoint57c_pre, checkpoint55j_post, branch-exfmods-tag, checkpoint44g_post, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint55h_post, checkpoint58n_post, checkpoint51r_post, checkpoint48c_post, checkpoint45b_post, checkpoint46b_pre, checkpoint51i_post, checkpoint57e_post, release1-branch-end, c37_adj, release1_final_v1, checkpoint55b_post, checkpoint51b_post, checkpoint51c_post, checkpoint46c_pre, checkpoint53a_post, checkpoint46, checkpoint47b_post, checkpoint44b_post, checkpoint55f_post, ecco_c51_e34, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint57p_post, checkpint57u_post, checkpoint46a_pre, checkpoint50g_post, checkpoint45c_post, checkpoint57q_post, ecco_ice2, ecco_ice1, checkpoint44h_post, eckpoint57e_pre, checkpoint46g_post, release1_p12_pre, checkpoint58k_post, checkpoint39, checkpoint52a_pre, ecco_c44_e22, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, ecco_c44_e25, checkpoint51i_pre, checkpoint52h_pre, checkpoint56a_post, checkpoint58l_post, checkpoint53f_post, checkpoint40pre5, checkpoint57h_done, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, chkpt44a_pre, checkpoint46i_post, ecco_c44_e23, ecco_c44_e20, ecco_c44_e21, ecco_c44_e26, ecco_c44_e27, ecco_c44_e24, checkpoint57j_post, checkpoint57f_pre, checkpoint46c_post, checkpoint58g_post, ecco-branch-mod1, ecco-branch-mod2, ecco-branch-mod3, ecco-branch-mod4, ecco-branch-mod5, branch-netcdf, checkpoint50d_pre, checkpoint52n_post, checkpoint53b_pre, checkpoint46e_post, release1_beta1, checkpoint58h_post, checkpoint56c_post, checkpoint58j_post, checkpoint51e_post, checkpoint44b_pre, checkpoint42, checkpoint57a_pre, checkpoint40, checkpoint41, checkpoint55a_post, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint57o_post, checkpoint46h_post, checkpoint51o_post, checkpoint57k_post, checkpoint51f_pre, chkpt44c_post, checkpoint48g_post, checkpoint53b_post, checkpoint47h_post, checkpoint52a_post, checkpoint57w_post, checkpoint44f_pre, checkpoint58i_post, checkpoint51g_post, ecco_c52_e35, checkpoint57x_post, checkpoint46d_post, checkpoint50b_post, checkpoint58c_post, release1-branch_branchpoint, checkpoint51m_post, checkpoint53d_pre, checkpoint55e_post, checkpoint54c_post, checkpoint51a_post, checkpoint51p_post, checkpoint51u_post
Branch point for: c24_e25_ice, branch-exfmods-curt, release1_final, release1-branch, branch-genmake2, release1, branch-nonh, tg2-branch, ecco-branch, release1_50yr, netcdf-sm0, icebear, checkpoint51n_branch, release1_coupled 
Modifications and additions to enable automatic differentiation.
Detailed info's in doc/notes_c37_adj.txt
1 C-- File global_adsum.F: Routines that perform adjoint of
2 C global sum on an array of thread values.
3 C Contents
4 C o global_adsum_r4
5 C o global_adsum_r8
6 #include "CPP_EEOPTIONS.h"
7
8 CStartOfInterface
9 SUBROUTINE GLOBAL_ADSUM_R4(
10 I myThid,
11 U adsumPhi
12 & )
13 C /==========================================================\
14 C | SUBROUTINE GLOBAL_ADSUM_R4 |
15 C | o Handle sum for real*4 data. |
16 C |==========================================================|
17 C \==========================================================/
18
19 C == Global data ==
20 implicit none
21 #include "SIZE.h"
22 #include "EEPARAMS.h"
23 #include "EESUPPORT.h"
24
25 C == Routine arguments ==
26 C sumPhi - Result of sum.
27 C myThid - My thread id.
28 Real*4 adsumPhi
29 INTEGER myThid
30 CEndOfInterface
31
32 C == Local variables ==
33 C adphi - Array to be summed.
34 C I - Loop counters
35 C mpiRC - MPI return code
36 Real*4 adphi(lShare4,MAX_NO_THREADS)
37 INTEGER I
38 Real*4 tmp
39 #ifdef ALLOW_USE_MPI
40 INTEGER mpiRC
41 #endif /* ALLOW_USE_MPI */
42
43 C-- Can not start until everyone is ready
44 _BARRIER
45
46 C-- broadcast to all processes
47 _BEGIN_MASTER( myThid )
48
49 tmp = adsumPhi
50
51 #ifdef ALLOW_USE_MPI
52 #ifndef ALWAYS_USE_MPI
53 IF ( usingMPI ) THEN
54 #endif
55 CALL MPI_Bcast(tmp, 1, MPI_REAL, myThid
56 & , MPI_COMM_WORLD, mpiRC
57 & )
58 #ifndef ALWAYS_USE_MPI
59 ENDIF
60 #endif
61 #endif /* ALLOW_USE_MPI */
62
63 DO I=1,nThreads
64 adphi(1,I) = tmp
65 ENDDO
66
67 _END_MASTER( myThid )
68 C--
69 _BARRIER
70 C
71 C-- every thread takes its adjoint sum
72 adsumPhi = adphi(1,myThid)
73
74 RETURN
75 END
76
77
78 #include "CPP_EEOPTIONS.h"
79
80 CStartOfInterface
81 SUBROUTINE GLOBAL_ADSUM_R8(
82 I myThid,
83 U adsumPhi
84 & )
85 C /==========================================================\
86 C | SUBROUTINE GLOBAL_ADSUM_R4 |
87 C | o Handle sum for real*8 data. |
88 C |==========================================================|
89 C \==========================================================/
90
91 C == Global data ==
92 #include "SIZE.h"
93 #include "EEPARAMS.h"
94 #include "EESUPPORT.h"
95
96 C == Routine arguments ==
97 C sumPhi - Result of sum.
98 C myThid - My thread id.
99 Real*8 adsumPhi
100 INTEGER myThid
101 CEndOfInterface
102
103 C == Local variables ==
104 C adphi - Array to be summed.
105 C I - Loop counters
106 C mpiRC - MPI return code
107 Real*8 adphi(lShare8,MAX_NO_THREADS)
108 INTEGER I
109 Real*8 tmp
110 #ifdef ALLOW_USE_MPI
111 INTEGER mpiRC
112 #endif /* ALLOW_USE_MPI */
113
114 C-- Can not start until everyone is ready
115 _BARRIER
116
117 C-- broadcast to all processes
118 _BEGIN_MASTER( myThid )
119
120 tmp = adsumPhi
121
122 #ifdef ALLOW_USE_MPI
123 #ifndef ALWAYS_USE_MPI
124 IF ( usingMPI ) THEN
125 #endif
126 CALL MPI_Bcast(tmp, 1, MPI_DOUBLE_PRECISION, myThid
127 & , MPI_COMM_WORLD, mpiRC
128 & )
129 #ifndef ALWAYS_USE_MPI
130 ENDIF
131 #endif
132 #endif /* ALLOW_USE_MPI */
133
134 DO I=1,nThreads
135 adphi(1,I) = tmp
136 ENDDO
137
138 _END_MASTER( myThid )
139 C--
140 _BARRIER
141 C
142 C-- every thread takes its adjoint sum
143 adsumPhi = adphi(1,myThid)
144
145 RETURN
146 END
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