|
|
|
|
#if defined(SERIAL_MPI)
|
|
|
|
|
! Provide a fake mpi module just to keep the compiler(s) happy.
|
|
|
|
|
module mpi
|
|
|
|
|
use psb_const_mod
|
|
|
|
|
integer, parameter :: mpi_success=0
|
|
|
|
|
integer, parameter :: mpi_request_null=0
|
|
|
|
|
integer, parameter :: mpi_status_size=1
|
|
|
|
|
integer, parameter :: mpi_integer = 1
|
|
|
|
|
integer, parameter :: mpi_integer8 = 2
|
|
|
|
|
integer, parameter :: mpi_real = 3
|
|
|
|
|
integer, parameter :: mpi_double_precision = 4
|
|
|
|
|
integer, parameter :: mpi_complex = 5
|
|
|
|
|
integer, parameter :: mpi_double_complex = 6
|
|
|
|
|
integer, parameter :: mpi_character = 7
|
|
|
|
|
integer, parameter :: mpi_logical = 8
|
|
|
|
|
integer, parameter :: mpi_comm_null = -1
|
|
|
|
|
integer, parameter :: mpi_comm_world = 1
|
|
|
|
|
|
|
|
|
|
real(psb_dpk_), external :: mpi_wtime
|
|
|
|
|
end module mpi
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
module psi_comm_buffers_mod
|
|
|
|
|
use psb_const_mod
|
|
|
|
|
|
|
|
|
|
integer, private, parameter:: psb_int_type = 987543
|
|
|
|
|
integer, private, parameter:: psb_real_type = psb_int_type + 1
|
|
|
|
|
integer, private, parameter:: psb_double_type = psb_real_type + 1
|
|
|
|
|
integer, private, parameter:: psb_complex_type = psb_double_type + 1
|
|
|
|
|
integer, private, parameter:: psb_dcomplex_type = psb_complex_type + 1
|
|
|
|
|
integer, private, parameter:: psb_logical_type = psb_dcomplex_type + 1
|
|
|
|
|
integer, private, parameter:: psb_char_type = psb_logical_type + 1
|
|
|
|
|
integer, private, parameter:: psb_int8_type = psb_char_type + 1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
type psb_buffer_node
|
|
|
|
|
integer :: request
|
|
|
|
|
integer :: icontxt
|
|
|
|
|
integer :: buffer_type
|
|
|
|
|
integer(psb_int_k_), allocatable :: intbuf(:)
|
|
|
|
|
integer(psb_long_int_k_), allocatable :: int8buf(:)
|
|
|
|
|
real(psb_spk_), allocatable :: realbuf(:)
|
|
|
|
|
real(psb_dpk_), allocatable :: doublebuf(:)
|
|
|
|
|
complex(psb_spk_), allocatable :: complexbuf(:)
|
|
|
|
|
complex(psb_dpk_), allocatable :: dcomplbuf(:)
|
|
|
|
|
logical, allocatable :: logbuf(:)
|
|
|
|
|
character(len=1), allocatable :: charbuf(:)
|
|
|
|
|
type(psb_buffer_node), pointer :: prev=>null(), next=>null()
|
|
|
|
|
end type psb_buffer_node
|
|
|
|
|
|
|
|
|
|
type psb_buffer_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: head=>null(), tail=>null()
|
|
|
|
|
end type psb_buffer_queue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
interface psi_snd
|
|
|
|
|
module procedure psi_isnd,&
|
|
|
|
|
& psi_ssnd, psi_dsnd,&
|
|
|
|
|
& psi_csnd, psi_zsnd,&
|
|
|
|
|
& psi_lsnd, psi_hsnd
|
|
|
|
|
end interface
|
|
|
|
|
#if !defined(LONG_INTEGERS)
|
|
|
|
|
interface psi_snd
|
|
|
|
|
module procedure psi_i8snd
|
|
|
|
|
end interface
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
contains
|
|
|
|
|
|
|
|
|
|
subroutine psb_init_queue(mesg_queue,info)
|
|
|
|
|
type(psb_buffer_queue), intent(inout) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: item
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if ((.not.associated(mesg_queue%head)).and.&
|
|
|
|
|
& (.not.associated(mesg_queue%tail))) then
|
|
|
|
|
! Nothing to do
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if ((.not.associated(mesg_queue%head)).or.&
|
|
|
|
|
& (.not.associated(mesg_queue%tail))) then
|
|
|
|
|
! If we are here one is associated, the other is not.
|
|
|
|
|
! This is impossible.
|
|
|
|
|
info = -1
|
|
|
|
|
write(0,*) 'Wrong status on init '
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end subroutine psb_init_queue
|
|
|
|
|
|
|
|
|
|
subroutine psb_wait_buffer(node, info)
|
|
|
|
|
#ifdef MPI_MOD
|
|
|
|
|
use mpi
|
|
|
|
|
#endif
|
|
|
|
|
implicit none
|
|
|
|
|
#ifdef MPI_H
|
|
|
|
|
include 'mpif.h'
|
|
|
|
|
#endif
|
|
|
|
|
type(psb_buffer_node), intent(inout) :: node
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: status(mpi_status_size)
|
|
|
|
|
|
|
|
|
|
call mpi_wait(node%request,status,info)
|
|
|
|
|
end subroutine psb_wait_buffer
|
|
|
|
|
|
|
|
|
|
subroutine psb_test_buffer(node, flag, info)
|
|
|
|
|
#ifdef MPI_MOD
|
|
|
|
|
use mpi
|
|
|
|
|
#endif
|
|
|
|
|
implicit none
|
|
|
|
|
#ifdef MPI_H
|
|
|
|
|
include 'mpif.h'
|
|
|
|
|
#endif
|
|
|
|
|
type(psb_buffer_node), intent(inout) :: node
|
|
|
|
|
logical, intent(out) :: flag
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: status(mpi_status_size)
|
|
|
|
|
|
|
|
|
|
call mpi_test(node%request,flag,status,info)
|
|
|
|
|
end subroutine psb_test_buffer
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_close_context(mesg_queue,icontxt)
|
|
|
|
|
type(psb_buffer_queue), intent(inout) :: mesg_queue
|
|
|
|
|
integer, intent(in) :: icontxt
|
|
|
|
|
integer :: info
|
|
|
|
|
type(psb_buffer_node), pointer :: node, nextnode
|
|
|
|
|
|
|
|
|
|
node => mesg_queue%head
|
|
|
|
|
do
|
|
|
|
|
if (.not.associated(node)) exit
|
|
|
|
|
nextnode => node%next
|
|
|
|
|
if (node%icontxt == icontxt) then
|
|
|
|
|
call psb_wait_buffer(node,info)
|
|
|
|
|
call psb_delete_node(mesg_queue,node)
|
|
|
|
|
end if
|
|
|
|
|
node => nextnode
|
|
|
|
|
end do
|
|
|
|
|
end subroutine psb_close_context
|
|
|
|
|
|
|
|
|
|
subroutine psb_close_all_context(mesg_queue)
|
|
|
|
|
type(psb_buffer_queue), intent(inout) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node, nextnode
|
|
|
|
|
integer :: info
|
|
|
|
|
|
|
|
|
|
node => mesg_queue%head
|
|
|
|
|
do
|
|
|
|
|
if (.not.associated(node)) exit
|
|
|
|
|
nextnode => node%next
|
|
|
|
|
call psb_wait_buffer(node,info)
|
|
|
|
|
call psb_delete_node(mesg_queue,node)
|
|
|
|
|
node => nextnode
|
|
|
|
|
end do
|
|
|
|
|
end subroutine psb_close_all_context
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_delete_node(mesg_queue,node)
|
|
|
|
|
type(psb_buffer_queue), intent(inout) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node
|
|
|
|
|
type(psb_buffer_node), pointer :: prevnode
|
|
|
|
|
|
|
|
|
|
if (.not.associated(node)) then
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
prevnode => node%prev
|
|
|
|
|
if (associated(mesg_queue%head,node)) mesg_queue%head => node%next
|
|
|
|
|
if (associated(mesg_queue%tail,node)) mesg_queue%tail => prevnode
|
|
|
|
|
if (associated(prevnode)) prevnode%next => node%next
|
|
|
|
|
if (associated(node%next)) node%next%prev => prevnode
|
|
|
|
|
deallocate(node)
|
|
|
|
|
|
|
|
|
|
end subroutine psb_delete_node
|
|
|
|
|
|
|
|
|
|
subroutine psb_insert_node(mesg_queue,node)
|
|
|
|
|
type(psb_buffer_queue), intent(inout) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node
|
|
|
|
|
|
|
|
|
|
node%next => null()
|
|
|
|
|
node%prev => null()
|
|
|
|
|
if ((.not.associated(mesg_queue%head)).and.&
|
|
|
|
|
& (.not.associated(mesg_queue%tail))) then
|
|
|
|
|
mesg_Queue%head => node
|
|
|
|
|
mesg_queue%tail => node
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
mesg_queue%tail%next => node
|
|
|
|
|
node%prev => mesg_queue%tail
|
|
|
|
|
mesg_queue%tail => node
|
|
|
|
|
|
|
|
|
|
end subroutine psb_insert_node
|
|
|
|
|
|
|
|
|
|
subroutine psb_test_nodes(mesg_queue)
|
|
|
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node, nextnode
|
|
|
|
|
integer :: info
|
|
|
|
|
logical :: flag
|
|
|
|
|
|
|
|
|
|
node => mesg_queue%head
|
|
|
|
|
do
|
|
|
|
|
if (.not.associated(node)) exit
|
|
|
|
|
nextnode => node%next
|
|
|
|
|
call psb_test_buffer(node,flag,info)
|
|
|
|
|
if (flag) then
|
|
|
|
|
call psb_delete_node(mesg_queue,node)
|
|
|
|
|
end if
|
|
|
|
|
node => nextnode
|
|
|
|
|
end do
|
|
|
|
|
end subroutine psb_test_nodes
|
|
|
|
|
|
|
|
|
|
! !!!!!!!!!!!!!!!!!
|
|
|
|
|
!
|
|
|
|
|
! Inner send. Basic idea:
|
|
|
|
|
! the input buffer is MOVE_ALLOCed
|
|
|
|
|
! to a node in the mesg queue, then it is sent.
|
|
|
|
|
! Thus the calling process should guarantee that
|
|
|
|
|
! the buffer is dispensable, i.e. the user data
|
|
|
|
|
! has already been copied.
|
|
|
|
|
!
|
|
|
|
|
! !!!!!!!!!!!!!!!!!
|
|
|
|
|
subroutine psi_isnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
|
|
|
#ifdef MPI_MOD
|
|
|
|
|
use mpi
|
|
|
|
|
#endif
|
|
|
|
|
implicit none
|
|
|
|
|
#ifdef MPI_H
|
|
|
|
|
include 'mpif.h'
|
|
|
|
|
#endif
|
|
|
|
|
integer :: icontxt, tag, dest
|
|
|
|
|
integer(psb_int_k_), allocatable, intent(inout) :: buffer(:)
|
|
|
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node
|
|
|
|
|
integer :: info
|
|
|
|
|
|
|
|
|
|
allocate(node, stat=info)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
node%icontxt = icontxt
|
|
|
|
|
node%buffer_type = psb_int_type
|
|
|
|
|
call move_alloc(buffer,node%intbuf)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
call mpi_isend(node%intbuf,size(node%intbuf),psb_mpi_integer,&
|
|
|
|
|
& dest,tag,icontxt,node%request,info)
|
|
|
|
|
call psb_insert_node(mesg_queue,node)
|
|
|
|
|
|
|
|
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
|
|
|
|
|
|
end subroutine psi_isnd
|
|
|
|
|
|
|
|
|
|
#if !defined(LONG_INTEGERS)
|
|
|
|
|
subroutine psi_i8snd(icontxt,tag,dest,buffer,mesg_queue)
|
|
|
|
|
#ifdef MPI_MOD
|
|
|
|
|
use mpi
|
|
|
|
|
#endif
|
|
|
|
|
implicit none
|
|
|
|
|
#ifdef MPI_H
|
|
|
|
|
include 'mpif.h'
|
|
|
|
|
#endif
|
|
|
|
|
integer :: icontxt, tag, dest
|
|
|
|
|
integer(psb_long_int_k_), allocatable, intent(inout) :: buffer(:)
|
|
|
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node
|
|
|
|
|
integer :: info
|
|
|
|
|
|
|
|
|
|
allocate(node, stat=info)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
node%icontxt = icontxt
|
|
|
|
|
node%buffer_type = psb_int8_type
|
|
|
|
|
call move_alloc(buffer,node%int8buf)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
call mpi_isend(node%int8buf,size(node%int8buf),mpi_integer8,&
|
|
|
|
|
& dest,tag,icontxt,node%request,info)
|
|
|
|
|
call psb_insert_node(mesg_queue,node)
|
|
|
|
|
|
|
|
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
|
|
|
|
|
|
end subroutine psi_i8snd
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psi_ssnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
|
|
|
#ifdef MPI_MOD
|
|
|
|
|
use mpi
|
|
|
|
|
#endif
|
|
|
|
|
implicit none
|
|
|
|
|
#ifdef MPI_H
|
|
|
|
|
include 'mpif.h'
|
|
|
|
|
#endif
|
|
|
|
|
integer :: icontxt, tag, dest
|
|
|
|
|
real(psb_spk_), allocatable, intent(inout) :: buffer(:)
|
|
|
|
|
type(psb_buffer_queue) :: mesg_queue
|
|
|
|
|
type(psb_buffer_node), pointer :: node
|
|
|
|
|
integer :: info
|
|
|
|
|
|
|
|
|
|
allocate(node, stat=info)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
node%icontxt = icontxt
|
|
|
|
|
node%buffer_type = psb_real_type
|
|
|
|
|
call move_alloc(buffer,node%realbuf)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Fatal memory error inside communication subsystem'
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
call mpi_isend(node%realbuf,size(node%realbuf),mpi_real,&
|
|
|
|
|
& dest,tag,icontxt,node%request,info)
|
|
|
|
|
call psb_insert_node(mesg_queue,node)
|
|
|
|
|
|
|
|
|
|
call psb_test_nodes(mesg_queue)
|
|
|
|
|
|
|
|
|
|
end subroutine psi_ssnd
|
|
|
|
|
|
|
|
|
|
subroutine psi_dsnd(icontxt,tag,dest,buffer,mesg_queue)
|
|
|
|
|
#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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integer :: icontxt, tag, dest
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real(psb_dpk_), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer :: info
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allocate(node, stat=info)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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node%buffer_type = psb_double_type
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call move_alloc(buffer,node%doublebuf)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%doublebuf,size(node%doublebuf),mpi_double_precision,&
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& dest,tag,icontxt,node%request,info)
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_dsnd
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subroutine psi_csnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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integer :: icontxt, tag, dest
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complex(psb_spk_), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer :: info
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allocate(node, stat=info)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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node%buffer_type = psb_complex_type
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call move_alloc(buffer,node%complexbuf)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%complexbuf,size(node%complexbuf),mpi_complex,&
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& dest,tag,icontxt,node%request,info)
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_csnd
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subroutine psi_zsnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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integer :: icontxt, tag, dest
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complex(psb_dpk_), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer :: info
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allocate(node, stat=info)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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node%buffer_type = psb_dcomplex_type
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call move_alloc(buffer,node%dcomplbuf)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%dcomplbuf,size(node%dcomplbuf),mpi_double_complex,&
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& dest,tag,icontxt,node%request,info)
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_zsnd
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subroutine psi_lsnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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integer :: icontxt, tag, dest
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logical, allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer :: info
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allocate(node, stat=info)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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node%buffer_type = psb_logical_type
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call move_alloc(buffer,node%logbuf)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%logbuf,size(node%logbuf),mpi_logical,&
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& dest,tag,icontxt,node%request,info)
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_lsnd
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subroutine psi_hsnd(icontxt,tag,dest,buffer,mesg_queue)
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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integer :: icontxt, tag, dest
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character(len=1), allocatable, intent(inout) :: buffer(:)
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type(psb_buffer_queue) :: mesg_queue
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type(psb_buffer_node), pointer :: node
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integer :: info
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allocate(node, stat=info)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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node%icontxt = icontxt
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node%buffer_type = psb_char_type
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call move_alloc(buffer,node%charbuf)
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if (info /= 0) then
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write(0,*) 'Fatal memory error inside communication subsystem'
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return
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end if
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call mpi_isend(node%charbuf,size(node%charbuf),mpi_character,&
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& dest,tag,icontxt,node%request,info)
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call psb_insert_node(mesg_queue,node)
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call psb_test_nodes(mesg_queue)
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end subroutine psi_hsnd
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end module psi_comm_buffers_mod
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