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quantum_package/plugins/Full_CI_ZMQ/run_pt2_slave.irp.f
2017-12-05 18:54:10 +01:00

202 lines
5.1 KiB
Fortran

subroutine run_pt2_slave(thread,iproc,energy)
use f77_zmq
use selection_types
implicit none
double precision, intent(in) :: energy(N_states_diag)
integer, intent(in) :: thread, iproc
integer :: rc, i
integer :: worker_id, ctask, ltask
character*(512), allocatable :: task(:)
integer, allocatable :: task_id(:)
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
logical :: done
double precision,allocatable :: pt2(:,:)
integer :: n_tasks, k, n_tasks_max
integer, allocatable :: i_generator(:), subset(:)
n_tasks_max = N_det_generators/100+1
allocate(task_id(n_tasks_max), task(n_tasks_max))
allocate(pt2(N_states,n_tasks_max), i_generator(n_tasks_max), subset(n_tasks_max))
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
n_tasks = 0
call create_selection_buffer(1, 2, buf)
done = .False.
do while (.not.done)
n_tasks = min(n_tasks+1,n_tasks_max)
integer, external :: get_tasks_from_taskserver
if (get_tasks_from_taskserver(zmq_to_qp_run_socket,worker_id, task_id, task, n_tasks) == -1) then
exit
endif
done = task_id(n_tasks) == 0
if (done) n_tasks = n_tasks-1
if (n_tasks == 0) exit
do k=1,n_tasks
read (task(k),*) subset(k), i_generator(k)
enddo
do k=1,n_tasks
pt2(:,k) = 0.d0
buf%cur = 0
call select_connected(i_generator(k),energy,pt2(1,k),buf,subset(k))
enddo
integer, external :: tasks_done_to_taskserver
if (tasks_done_to_taskserver(zmq_to_qp_run_socket,worker_id,task_id,n_tasks) == -1) then
done = .true.
endif
call push_pt2_results(zmq_socket_push, i_generator, pt2, task_id, n_tasks)
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)
call delete_selection_buffer(buf)
end subroutine
subroutine push_pt2_results(zmq_socket_push, index, pt2, task_id, n_tasks)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
double precision, intent(in) :: pt2(N_states,n_tasks)
integer, intent(in) :: n_tasks, index(n_tasks), task_id(n_tasks)
integer :: rc
rc = f77_zmq_send( zmq_socket_push, n_tasks, 4, ZMQ_SNDMORE)
if (rc == -1) then
return
endif
if(rc /= 4) stop 'push'
rc = f77_zmq_send( zmq_socket_push, index, 4*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
endif
if(rc /= 4*n_tasks) stop 'push'
rc = f77_zmq_send( zmq_socket_push, pt2, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
endif
if(rc /= 8*N_states*n_tasks) stop 'push'
rc = f77_zmq_send( zmq_socket_push, task_id, n_tasks*4, 0)
if (rc == -1) then
return
endif
if(rc /= 4*n_tasks) stop 'push'
! 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 == -1) then
return
endif
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_pt2_results(zmq_socket_pull, index, pt2, task_id, n_tasks)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_pull
double precision, intent(inout) :: pt2(N_states,*)
integer, intent(out) :: index(*)
integer, intent(out) :: n_tasks, task_id(*)
integer :: rc, rn, i
rc = f77_zmq_recv( zmq_socket_pull, n_tasks, 4, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
if(rc /= 4) stop 'pull'
rc = f77_zmq_recv( zmq_socket_pull, index, 4*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
if(rc /= 4*n_tasks) stop 'pull'
rc = f77_zmq_recv( zmq_socket_pull, pt2, N_states*8*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
if(rc /= 8*N_states*n_tasks) stop 'pull'
rc = f77_zmq_recv( zmq_socket_pull, task_id, n_tasks*4, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
if(rc /= 4*n_tasks) stop 'pull'
! 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 == -1) then
n_tasks = 1
task_id(1) = 0
endif
if (rc /= 2) then
print *, irp_here//': error in sending ok'
stop -1
endif
IRP_ENDIF
end subroutine
BEGIN_PROVIDER [ double precision, pt2_workload, (N_det_generators) ]
integer :: i
do i=1,N_det_generators
pt2_workload(i) = dfloat(N_det_generators - i + 1)**2
end do
pt2_workload = pt2_workload / sum(pt2_workload)
END_PROVIDER