1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
! This file created from f77/rma/winaccf.f with f77tof90
!
! Copyright (C) by Argonne National Laboratory
! See COPYRIGHT in top-level directory
!
program main
use mpi
integer ierr, errs
integer win, intsize
integer left, right, rank, size
integer nrows, ncols
parameter (nrows=25,ncols=10)
integer buf(1:nrows,0:ncols+1)
integer comm, ans
integer i, j
logical mtestGetIntraComm
! Include addsize defines asize as an address-sized integer
integer (kind=MPI_ADDRESS_KIND) asize
errs = 0
call mtest_init( ierr )
call mpi_type_size( MPI_INTEGER, intsize, ierr )
do while( mtestGetIntraComm( comm, 2, .false. ) )
asize = nrows * (ncols + 2) * intsize
call mpi_win_create( buf, asize, intsize * nrows, &
& MPI_INFO_NULL, comm, win, ierr )
call mpi_comm_size( comm, size, ierr )
call mpi_comm_rank( comm, rank, ierr )
left = rank - 1
if (left .lt. 0) then
left = MPI_PROC_NULL
endif
right = rank + 1
if (right .ge. size) then
right = MPI_PROC_NULL
endif
!
! Initialize the buffer
do i=1,nrows
buf(i,0) = -1
buf(i,ncols+1) = -1
enddo
do j=1,ncols
do i=1,nrows
buf(i,j) = rank * (ncols * nrows) + i + (j-1) * nrows
enddo
enddo
call mpi_win_fence( MPI_MODE_NOPRECEDE, win, ierr )
!
asize = ncols + 1
call mpi_accumulate( buf(1,1), nrows, MPI_INTEGER, &
& left, asize, &
& nrows, MPI_INTEGER, MPI_SUM, win, ierr )
asize = 0
call mpi_accumulate( buf(1,ncols), nrows, MPI_INTEGER, right, &
& asize, nrows, MPI_INTEGER, MPI_SUM, win, ierr )
!
call mpi_win_fence( MPI_MODE_NOSTORE + MPI_MODE_NOPUT + &
& MPI_MODE_NOSUCCEED, win, ierr )
!
! Check the results
if (left .ne. MPI_PROC_NULL) then
do i=1, nrows
ans = rank * (ncols * nrows) - nrows + i - 1
if (buf(i,0) .ne. ans) then
errs = errs + 1
if (errs .le. 10) then
print *, ' buf(',i,',0) = ', buf(i,0)
endif
endif
enddo
endif
if (right .ne. MPI_PROC_NULL) then
do i=1, nrows
ans = (rank + 1) * (ncols * nrows) + i - 1
if (buf(i,ncols+1) .ne. ans) then
errs = errs + 1
if (errs .le. 10) then
print *, ' buf(',i,',',ncols+1,') = ', &
& buf(i,ncols+1)
endif
endif
enddo
endif
call mpi_win_free( win, ierr )
call mtestFreeComm( comm )
enddo
call mtest_finalize( errs )
end
|
