eesupp/src/gsum_jam.F

C $Header: $

#include "CPP_EEOPTIONS.h"

#undef  USE_MPI_GSUM
#define USE_JAM_GSUM

      SUBROUTINE GLOBAL_SUM_R8_JAM( ans, myThid )

#ifdef ALLOW_MPI
#include "mpif.h"
#endif

      REAL*8 ans
      INTEGER myThid

#ifdef LETS_MAKE_JAM

      REAL*8 phi
      INTEGER RC

      phi = ans

#ifdef USE_MPI_GSUM
      CALL MPI_Allreduce( phi,
     &                    ans,
     &                      1,
     &                    MPI_REAL8,
     &                    MPI_SUM,
     &                    MPI_COMM_WORLD,
     &                    rc
     &                  )
#endif

#ifdef USE_JAM_GSUM
C     JAM global sum
      CALL JAM_barrier_start( phi )
      CALL JAM_barrier_done(  ans )
#endif

C     WRITE(6,*) ' phi = ', phi, ' Sum = ', ans
C     CALL MPI_Finalize( rc )
C     STOP

#endif /* LETS_MAKE_JAM */

      RETURN
      END
1	C $Header: $
2
3	#include "CPP_EEOPTIONS.h"
4
5	#undef USE_MPI_GSUM
6	#define USE_JAM_GSUM
7
8	SUBROUTINE GLOBAL_SUM_R8_JAM( ans, myThid )
9
10	#ifdef ALLOW_MPI
11	#include "mpif.h"
12	#endif
13
14	REAL*8 ans
15	INTEGER myThid
16
17	#ifdef LETS_MAKE_JAM
18
19	REAL*8 phi
20	INTEGER RC
21
22	phi = ans
23
24	#ifdef USE_MPI_GSUM
25	CALL MPI_Allreduce( phi,
26	& ans,
27	& 1,
28	& MPI_REAL8,
29	& MPI_SUM,
30	& MPI_COMM_WORLD,
31	& rc
32	& )
33	#endif
34
35	#ifdef USE_JAM_GSUM
36	C JAM global sum
37	CALL JAM_barrier_start( phi )
38	CALL JAM_barrier_done( ans )
39	#endif
40
41	C WRITE(6,*) ' phi = ', phi, ' Sum = ', ans
42	C CALL MPI_Finalize( rc )
43	C STOP
44
45	#endif /* LETS_MAKE_JAM */
46
47	RETURN
48	END