1 |
C $Header: $ |
2 |
C $Name: $ |
3 |
|
4 |
!======================================================================= |
5 |
subroutine compsend_r4( dataname, Ni,Oi,Nj,Oj, arr ) |
6 |
implicit none |
7 |
! Arguments |
8 |
character*(*) dataname |
9 |
integer Ni,Oi,Nj,Oj |
10 |
real*4 arr(1-Oi:Ni+Oi,1-Oj:Nj+Oj) |
11 |
! Predefined constants/arrays |
12 |
#include "CPLR_SIG.h" |
13 |
! MPI variables |
14 |
#include "mpif.h" |
15 |
integer count,datatype,dest,tag,comm,ierr |
16 |
! Functions |
17 |
integer generate_tag |
18 |
! Local |
19 |
integer i,j,ij,Io,Jo |
20 |
! ------------------------------------------------------------------ |
21 |
|
22 |
if (HEADER_SIZE+Ni*Nj.gt.MAX_R4_BUFLEN) |
23 |
& stop 'compsend_r4: Nx*Ny too big' |
24 |
|
25 |
! Set up buffer |
26 |
Io=my_tile_i0(1) |
27 |
Jo=my_tile_j0(1) |
28 |
r4buf(1)=float(Io) |
29 |
r4buf(2)=float(Ni) |
30 |
r4buf(3)=float(Jo) |
31 |
r4buf(4)=float(Nj) |
32 |
call mitcplr_char2real( dataname, r4buf(9) ) |
33 |
|
34 |
! Copy interior of tile to buffer |
35 |
do j=1,Nj |
36 |
do i=1,Ni |
37 |
ij=HEADER_SIZE+i+Ni*(j-1) |
38 |
r4buf(ij)=arr(i,j) |
39 |
enddo |
40 |
enddo |
41 |
|
42 |
! Send message |
43 |
count=HEADER_SIZE+Ni*Nj |
44 |
datatype=MPI_REAL |
45 |
dest=my_coupler_rank |
46 |
tag=generate_tag(102,my_rank_in_global,dataname) |
47 |
comm=MPI_COMM_myglobal |
48 |
|
49 |
if (VERB) then |
50 |
write(LogUnit,*) 'compsend_r4: calling MPI_Send dest=',dest |
51 |
write(LogUnit,*) 'compsend_r4: dataname=',dataname |
52 |
call flush(LogUnit) |
53 |
endif |
54 |
call MPI_Send( r4buf, count, datatype, dest, tag, comm, ierr ) |
55 |
if (VERB) then |
56 |
write(LogUnit,*) 'compsend_r4: returned ierr=',ierr |
57 |
call flush(LogUnit) |
58 |
endif |
59 |
|
60 |
if (ierr.ne.0) then |
61 |
write(LogUnit,*) 'compsend_r4: rank(W,G,L)=', |
62 |
& my_rank_in_world,my_rank_in_global,my_rank_in_local, |
63 |
& ' ierr=',ierr |
64 |
stop 'compsend_r4: MPI_Send failed' |
65 |
endif |
66 |
|
67 |
! ------------------------------------------------------------------ |
68 |
return |
69 |
end |
70 |
!======================================================================= |