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test.F90
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test.F90
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program test
use gb
implicit none
integer :: me, np, root
type(MPI_Comm) :: world
world = MPI_COMM_WORLD
root = 0
call MPI_Init()
call MPI_Comm_rank(world,me)
call MPI_Comm_size(world,np)
write(*,'(a11,i3,a4,i3)') 'Hello from ',me,' of ',np
call MPI_Barrier(world)
block
real(kind=REAL64) :: a1(100)
real(kind=REAL64) :: a2(10,10)
real(kind=REAL64) :: a3(5,5,5)
integer :: ierr
! 1D
a1 = me
call gb_bcast(buffer=a1,root=0,comm=world)
if (any(a1 .ne. 0.0d0)) STOP
a1 = me
call gb_bcast(buffer=a1,root=0)
if (any(a1 .ne. 0.0d0)) STOP
a1 = me
call gb_bcast(buffer=a1,comm=world)
if (any(a1 .ne. 0.0d0)) STOP
a1 = me
call gb_bcast(buffer=a1)
if (any(a1 .ne. 0.0d0)) STOP
! 2D
a2 = me
call gb_bcast(buffer=a2,root=0,comm=world)
if (any(a2 .ne. 0.0d0)) STOP
a2 = me
call gb_bcast(buffer=a2,root=0)
if (any(a2 .ne. 0.0d0)) STOP
a2 = me
call gb_bcast(buffer=a2,comm=world)
if (any(a2 .ne. 0.0d0)) STOP
a2 = me
call gb_bcast(buffer=a2)
if (any(a2 .ne. 0.0d0)) STOP
! 3D
a3 = -me
call gb_bcast(buffer=a3,root=0,comm=world)
if (any(a3 .ne. 0.0d0)) STOP
a3 = -me
call gb_bcast(buffer=a3,root=0)
if (any(a3 .ne. 0.0d0)) STOP
a3 = -me
call gb_bcast(buffer=a3,comm=world)
if (any(a3 .ne. 0.0d0)) STOP
a3 = -me
call gb_bcast(buffer=a3)
if (any(a3 .ne. 0.0d0)) STOP
!call MPI_Barrier(world)
!call gb_bcast(a2(1:5,1:5),0,world,ierr)
!if (ierr.ne.MPI_SUCCESS) write(*,*) 'gb_bcast XFAIL',ierr
end block
block
real(kind=REAL64) :: a(100) , b(100)
real :: ref
integer :: ierr
ref = (np-1.0d0) * (0.5d0*np)
! 1D
a = me
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) print*,b,ref
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,ierror=ierr)
if (any(b .ne. ref)) STOP
write(*,*) 'gb_reduce 1D passed'
end block
block
real(kind=REAL64) :: a(10,10) , b(10,10)
real :: ref
integer :: ierr
ref = (np-1.0d0) * (0.5d0*np)
! 1D
a = me
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,op=MPI_SUM,ierror=ierr)
if (any(b .ne. ref)) STOP
b = 0
call gb_reduce(sendbuf=a,recvbuf=b,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) print*,b,ref
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,comm=MPI_COMM_WORLD)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,comm=MPI_COMM_WORLD)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,comm=MPI_COMM_WORLD,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,root=0,ierror=ierr)
if (me.eq.root .and. any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,comm=MPI_COMM_WORLD,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,op=MPI_SUM,ierror=ierr)
if (any(b .ne. ref)) STOP
b = me
call gb_reduce(recvbuf=b,ierror=ierr)
if (any(b .ne. ref)) STOP
write(*,*) 'gb_reduce 2D passed'
end block
call MPI_Finalize()
end program