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quantum_package/plugins/Full_CI_ZMQ/run_selection_slave.irp.f
2017-12-05 18:54:10 +01:00

226 lines
6.5 KiB
Fortran

subroutine run_selection_slave(thread,iproc,energy)
use f77_zmq
use selection_types
implicit none
double precision, intent(in) :: energy(N_states)
integer, intent(in) :: thread, iproc
integer :: rc, i
integer :: worker_id, task_id(1), ctask, ltask
character*(512) :: task
integer(ZMQ_PTR),external :: new_zmq_to_qp_run_socket
integer(ZMQ_PTR) :: zmq_to_qp_run_socket
integer(ZMQ_PTR), external :: new_zmq_push_socket
integer(ZMQ_PTR) :: zmq_socket_push
type(selection_buffer) :: buf, buf2
logical :: done, buffer_ready
double precision :: pt2(N_states)
PROVIDE psi_bilinear_matrix_columns_loc psi_det_alpha_unique psi_det_beta_unique
PROVIDE psi_bilinear_matrix_rows psi_det_sorted_order psi_bilinear_matrix_order
PROVIDE psi_bilinear_matrix_transp_rows_loc psi_bilinear_matrix_transp_columns
PROVIDE psi_bilinear_matrix_transp_order
zmq_to_qp_run_socket = new_zmq_to_qp_run_socket()
integer, external :: connect_to_taskserver
if (connect_to_taskserver(zmq_to_qp_run_socket,worker_id,thread) == -1) then
call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
return
endif
zmq_socket_push = new_zmq_push_socket(thread)
buf%N = 0
buffer_ready = .False.
ctask = 1
pt2(:) = 0d0
do
integer, external :: get_task_from_taskserver
if (get_task_from_taskserver(zmq_to_qp_run_socket,worker_id, task_id(ctask), task) == -1) then
exit
endif
done = task_id(ctask) == 0
if (done) then
ctask = ctask - 1
else
integer :: i_generator, N
read(task,*) i_generator, N
if(buf%N == 0) then
! Only first time
call create_selection_buffer(N, N*2, buf)
call create_selection_buffer(N, N*2, buf2)
buffer_ready = .True.
else
ASSERT (N == buf%N)
end if
call select_connected(i_generator,energy,pt2,buf,0)
endif
integer, external :: task_done_to_taskserver
if(done .or. ctask == size(task_id)) then
do i=1, ctask
if (task_done_to_taskserver(zmq_to_qp_run_socket,worker_id,task_id(i)) == -1) then
call sleep(1)
if (task_done_to_taskserver(zmq_to_qp_run_socket,worker_id,task_id(i)) == -1) then
ctask = 0
done = .true.
exit
endif
endif
end do
if(ctask > 0) then
call sort_selection_buffer(buf)
call merge_selection_buffers(buf,buf2)
call push_selection_results(zmq_socket_push, pt2, buf, task_id(1), ctask)
buf%mini = buf2%mini
pt2(:) = 0d0
buf%cur = 0
end if
ctask = 0
end if
if(done) exit
ctask = ctask + 1
end do
integer, external :: disconnect_from_taskserver
if (disconnect_from_taskserver(zmq_to_qp_run_socket,worker_id) == -1) then
continue
endif
call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
call end_zmq_push_socket(zmq_socket_push,thread)
if (buffer_ready) then
call delete_selection_buffer(buf)
call delete_selection_buffer(buf2)
endif
end subroutine
subroutine push_selection_results(zmq_socket_push, pt2, b, task_id, ntask)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
double precision, intent(in) :: pt2(N_states)
type(selection_buffer), intent(inout) :: b
integer, intent(in) :: ntask, task_id(*)
integer :: rc
rc = f77_zmq_send( zmq_socket_push, b%cur, 4, ZMQ_SNDMORE)
if(rc /= 4) then
print *, 'f77_zmq_send( zmq_socket_push, b%cur, 4, ZMQ_SNDMORE)'
endif
if (b%cur > 0) then
rc = f77_zmq_send( zmq_socket_push, pt2, 8*N_states, ZMQ_SNDMORE)
if(rc /= 8*N_states) then
print *, 'f77_zmq_send( zmq_socket_push, pt2, 8*N_states, ZMQ_SNDMORE)'
endif
rc = f77_zmq_send( zmq_socket_push, b%val(1), 8*b%cur, ZMQ_SNDMORE)
if(rc /= 8*b%cur) then
print *, 'f77_zmq_send( zmq_socket_push, b%val(1), 8*b%cur, ZMQ_SNDMORE)'
endif
rc = f77_zmq_send( zmq_socket_push, b%det(1,1,1), bit_kind*N_int*2*b%cur, ZMQ_SNDMORE)
if(rc /= bit_kind*N_int*2*b%cur) then
print *, 'f77_zmq_send( zmq_socket_push, b%det(1,1,1), bit_kind*N_int*2*b%cur, ZMQ_SNDMORE)'
endif
endif
rc = f77_zmq_send( zmq_socket_push, ntask, 4, ZMQ_SNDMORE)
if(rc /= 4) then
print *, 'f77_zmq_send( zmq_socket_push, ntask, 4, ZMQ_SNDMORE)'
endif
rc = f77_zmq_send( zmq_socket_push, task_id(1), ntask*4, 0)
if(rc /= 4*ntask) then
print *, 'f77_zmq_send( zmq_socket_push, task_id(1), ntask*4, 0)'
endif
! Activate is zmq_socket_push is a REQ
IRP_IF ZMQ_PUSH
IRP_ELSE
character*(2) :: ok
rc = f77_zmq_recv( zmq_socket_push, ok, 2, 0)
if ((rc /= 2).and.(ok(1:2) /= 'ok')) then
print *, irp_here//': error in receiving ok'
stop -1
endif
IRP_ENDIF
end subroutine
subroutine pull_selection_results(zmq_socket_pull, pt2, val, det, N, task_id, ntask)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_pull
double precision, intent(inout) :: pt2(N_states)
double precision, intent(out) :: val(*)
integer(bit_kind), intent(out) :: det(N_int, 2, *)
integer, intent(out) :: N, ntask, task_id(*)
integer :: rc, rn, i
rc = f77_zmq_recv( zmq_socket_pull, N, 4, 0)
if(rc /= 4) then
print *, 'f77_zmq_recv( zmq_socket_pull, N, 4, 0)'
endif
if (N>0) then
rc = f77_zmq_recv( zmq_socket_pull, pt2, N_states*8, 0)
if(rc /= 8*N_states) then
print *, 'f77_zmq_recv( zmq_socket_pull, pt2, N_states*8, 0)'
endif
rc = f77_zmq_recv( zmq_socket_pull, val(1), 8*N, 0)
if(rc /= 8*N) then
print *, 'f77_zmq_recv( zmq_socket_pull, val(1), 8*N, 0)'
endif
rc = f77_zmq_recv( zmq_socket_pull, det(1,1,1), bit_kind*N_int*2*N, 0)
if(rc /= bit_kind*N_int*2*N) then
print *, 'f77_zmq_recv( zmq_socket_pull, det(1,1,1), bit_kind*N_int*2*N, 0)'
endif
else
pt2(:) = 0.d0
endif
rc = f77_zmq_recv( zmq_socket_pull, ntask, 4, 0)
if(rc /= 4) then
print *, 'f77_zmq_recv( zmq_socket_pull, ntask, 4, 0)'
endif
rc = f77_zmq_recv( zmq_socket_pull, task_id(1), ntask*4, 0)
if(rc /= 4*ntask) then
print *, 'f77_zmq_recv( zmq_socket_pull, task_id(1), ntask*4, 0)'
endif
! Activate is zmq_socket_pull is a REP
IRP_IF ZMQ_PUSH
IRP_ELSE
rc = f77_zmq_send( zmq_socket_pull, 'ok', 2, 0)
if (rc /= 2) then
print *, irp_here//': error in sending ok'
stop -1
endif
IRP_ENDIF
end subroutine