1 |
C $Header: /u/gcmpack/models/MITgcmUV/eesupp/src/eedie.F,v 1.3 1998/10/28 03:11:34 cnh Exp $ |
2 |
|
3 |
#include "CPP_EEOPTIONS.h" |
4 |
|
5 |
CStartOfInterface |
6 |
SUBROUTINE EEDIE |
7 |
C /==========================================================\ |
8 |
C | SUBROUTINE EEDIE | |
9 |
C | o Close execution "environment", particularly perform | |
10 |
C | steps to terminate parallel processing. | |
11 |
C |==========================================================| |
12 |
C | Note: This routine can also be compiled with CPP | |
13 |
C | directives set so that no multi-processing is initialised| |
14 |
C | This is OK and should work fine. | |
15 |
C \==========================================================/ |
16 |
IMPLICIT NONE |
17 |
|
18 |
C == Global variables == |
19 |
#include "SIZE.h" |
20 |
#include "EEPARAMS.h" |
21 |
#include "EESUPPORT.h" |
22 |
CEndOfInterface |
23 |
|
24 |
C == Local variables == |
25 |
C msgBuf - I/O Buffer |
26 |
C nThreadsDone - Used to count number of completed threads. |
27 |
C I - Loop counter. |
28 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
29 |
INTEGER nThreadsDone |
30 |
INTEGER I |
31 |
#ifdef ALLOW_USE_MPI |
32 |
C mpiRC - Error code reporting variable used |
33 |
C with MPI. |
34 |
INTEGER mpiRC |
35 |
#endif /* ALLOW_USE_MPI */ |
36 |
|
37 |
C-- Check that all the threads have ended |
38 |
C No thread should reach this loop before all threads have set |
39 |
C threadIsComplete to TRUE. If they do then either there is a bug |
40 |
C in the code or the behaviour of the parallel compiler directives |
41 |
C are not right for this code. In the latter case different |
42 |
C directives may be available or the compiler itself may have a |
43 |
C bug or you may need a different parallel compiler for main.F |
44 |
nThreadsDone = 0 |
45 |
DO I = 1, nThreads |
46 |
IF ( threadIsComplete(I) ) nThreadsDone = nThreadsDone+1 |
47 |
ENDDO |
48 |
IF ( nThreadsDone .LT. nThreads ) THEN |
49 |
WRITE(msgBuf,'(A,I5,A,I5,A)') |
50 |
& 'S/R EEDIE: Only ',nThreadsDone, |
51 |
& ' threads have completed, ',nThreads, |
52 |
& ' are expected for this configuration!' |
53 |
WRITE(0,*) msgBuf |
54 |
WRITE(0,*) |
55 |
& 'Possibly you have different setenv PARALLEL and nThreads?' |
56 |
eeEndError = .TRUE. |
57 |
fatalError = .TRUE. |
58 |
ENDIF |
59 |
|
60 |
#ifdef ALLOW_USE_MPI |
61 |
C-- |
62 |
C-- MPI style multiple-process termination |
63 |
C-- ====================================== |
64 |
#ifndef ALWAYS_USE_MPI |
65 |
IF ( usingMPI ) THEN |
66 |
#endif |
67 |
CALL MPI_FINALIZE ( mpiRC ) |
68 |
IF ( mpiRC .NE. MPI_SUCCESS ) THEN |
69 |
eeEndError = .TRUE. |
70 |
fatalError = .TRUE. |
71 |
WRITE(msgBuf,'(A,I5)') |
72 |
& 'S/R FIN_PROCS: MPI_FINALIZE return code', |
73 |
& mpiRC |
74 |
CALL PRINT_ERROR( msgBuf, 1 ) |
75 |
ENDIF |
76 |
C |
77 |
#ifndef ALWAYS_USE_MPI |
78 |
ENDIF |
79 |
#endif |
80 |
#endif /* ALLOW_USE_MPI */ |
81 |
|
82 |
|
83 |
RETURN |
84 |
END |